Boiler flue gas dust removal device
Technical Field
The application relates to the technical field of dust removal devices, in particular to a boiler flue gas dust removal device.
Background
When the boiler is used for burning and treating industrial waste gas, a large amount of dust particles can accompany in generated flue gas, the temperature of the waste gas generated by burning is higher, if the waste gas is directly discharged without dust removal and cooling treatment, atmospheric pollution can be caused, a greenhouse effect and the like are caused, the surrounding living environment is seriously influenced, the boiler flue gas dust removing device proposed by the prior art No. CN214552207U can separate dust possibly existing in floating gas, a flushing pipe can flush the separating net, water flow flushed by the flushing pipe and a secondary spraying pipe is accumulated in a mud accumulation groove II, and the water flow is led into a sedimentation tank from the mud outlet pipe II, so that the dust removal treatment of the boiler flue gas is realized.
Disclosure of utility model
1. Technical problem to be solved
The application aims to provide a boiler flue gas dust removal device, which solves the technical problems that the dust removal device in the comparative literature in the background art is difficult to transversely install a separation net and a cleaning pipe is used for cleaning dust on the separation net, dust is easy to accumulate on the upper surface of the separation net and is discharged along with cleaning liquid, sewage purification equipment and difficulty are increased, waste heat recovery cannot be realized for high-temperature flue gas, energy waste is caused, the boiler flue gas enters the interior of a dust removal tank and is required to be filtered by a plurality of filter plates, and realize spraying the dust removal effect through a plurality of risers that the multirow set up, the dust of deposit on the filter plate is effectively clear away by riser spun washing liquid simultaneously, sewage flows to dust collection box department, filter the processing through a plurality of dust collection boxes, make dirt part hold back, water then is followed the drain pipe and is discharged, and the boiler flue gas can realize waste heat recovery, realize the heating effect, this boiler flue gas dust removal tank structure is simple and easy, the dust removal effect is good, the dust removal process can effectively avoid the flue gas granule to scatter outward, can conveniently carry out effectual cleaning treatment to the dust removal filter plate, guarantee long-term treatment boiler flue gas effect, and the technological effect of the dust that can conveniently collect the processing.
2. Technical proposal
The technical scheme of the application provides a boiler flue gas dust removal device, which comprises a dust removal tank, wherein the dust removal tank is formed by fixing a rectangular shell and a conical shell, a sealing cover is arranged at the upper end of the dust removal tank in a threaded manner, a plurality of filter plates are inserted into the dust removal tank, an air inlet pipe and an air exhaust pipe are respectively fixedly sleeved at two sides of the dust removal tank, the bottom end of the dust removal tank is fixedly connected with a dust collection box, the bottom end of the dust collection box is fixedly sleeved with a drain pipe, a plurality of dust collection boxes are slidably arranged on the dust collection box, a waste heat recovery assembly and a waste heat removal assembly are arranged on the dust removal tank, the waste heat recovery assembly comprises two end pipes and a plurality of matrix type drain pipes, the end pipes are respectively fixedly communicated with one matrix type drain pipe at the upper end and the lower end, a connecting pipe is fixedly communicated between two adjacent matrix type drain pipes, the waste heat removal assembly comprises an air inlet pipe, a plurality of spray holes and a plurality of matrix type drain pipes are fixedly connected with the dust removal tank, and a plurality of stand pipes are fixedly arranged on each stand pipe.
Through adopting above-mentioned technical scheme, inside boiler flue gas sent into the dust removal jar through the intake pipe, need carry out multilayer filtration dust treatment through a plurality of filter plates, and can realize spraying dust removal effect through a plurality of risers that the multirow set up, the dust of deposit on the filter plate is also effectively clear away by riser spun washing liquid simultaneously, sewage then will flow to dust collection box department, filter the processing through a plurality of dust collection boxes, make dirt part in the sewage hold back, water then is followed the drain pipe and is discharged, and the waste heat of boiler flue gas can be effectively absorbed by a plurality of matrix calandrias of intercommunication, realize the heating effect, this boiler flue gas dust removal jar structure is simple and easy, the dust removal effect is good, the dust removal process can effectively avoid flue gas granule to scatter outward, can conveniently carry out effectual cleaning treatment to the dust removal, guarantee long-term treatment boiler flue gas effect, and can conveniently collect the dust of handling.
Optionally, a plurality of mounting grooves are formed in the dust collection box, a dust collection box is slidably mounted in each mounting groove, a plurality of guide grooves are formed in the inner wall of the dust collection tank, and filter plates are slidably mounted in the guide grooves.
Through adopting above-mentioned technical scheme, in the dust collection box can follow mounting groove slidable mounting dust collection box, make the sewage that washs the filter plate and produce carry out filtration treatment, make sewage filth interception in the sewage, the filter plate can follow the installation of guide slot slip grafting, easy to assemble and dismantlement.
Optionally, two lifting grooves are formed in the upper end of the filter plate, and a row of multiple vertical pipes are arranged on the side plate of each filter plate.
Through adopting above-mentioned technical scheme, when installing the filter plate, the accessible two carry the draw groove and conveniently install, the filter plate is vertical to be installed, and is located filter plate side department, through setting up a row of a plurality of risers, can realize carrying out the cleaning performance to the filter plate side then.
Optionally, the inner bottom surface of the dust collecting box is provided with a plurality of filtering holes, and the dust collecting box is provided with drawing grooves.
By adopting the technical scheme, the dust box can realize sewage and dirt interception and filtration treatment through a plurality of filter holes, so that water is discharged from the drain pipe.
Optionally, the matrix type calandria and the multi-row pipe rack have the same structure and comprise rectangular pipes and a plurality of transverse pipes.
Through adopting above-mentioned technical scheme, matrix calandria and multirow pipe support are constituteed by rectangular pipe and a plurality of horizontal pipe, can realize that horizontal pipe alternates the setting from between the filter plate to can make every filter plate all obtain the cleaning performance, and waste heat recovery is effectual.
3. Advantageous effects
The technical scheme provided by the application has the following technical effects or advantages that the boiler flue gas enters the dedusting tank and is subjected to filtering treatment through a plurality of filter plates, the spraying dedusting effect is realized through a plurality of vertical pipes arranged in a plurality of rows, dust deposited on the filter plates is effectively removed by cleaning liquid sprayed out by the vertical pipes, sewage flows to the dust collection box and is subjected to filtering treatment through a plurality of dust collection boxes, dirt is partially trapped, water is discharged from the drain pipes, the boiler flue gas can realize waste heat recovery, and the heating effect is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of a flue gas dust removal device for a boiler according to a preferred embodiment of the present application;
FIG. 2 is a schematic view of a dust-removing tank of a boiler flue gas dust-removing device according to a preferred embodiment of the present application;
FIG. 3 is a schematic view of a waste heat recovery assembly and a cleaning assembly of a flue gas dust removal device for a boiler according to a preferred embodiment of the present application;
FIG. 4 is an enlarged schematic view of the flue gas dust removal device of the boiler shown in FIG. 3 according to a preferred embodiment of the present application;
The reference numerals in the drawing are 1, a dust removing tank, 11, a sealing cover, 12, a dust collecting box, 13, a drain pipe, 14, a mounting groove, 15, a guide groove, 2, an air inlet pipe, 3, an exhaust pipe, 4, a filter plate, 41, a lifting groove, 5, a waste heat recovery component, 51, an end pipe, 52, a matrix type calandria, 53, a connecting pipe, 6, a dirt removing component, 61, a water inlet pipe, 62, a multi-row pipe rack, 63, a vertical pipe, 7, a dust collecting box, 71, a filter hole, 72 and a drawing groove.
Detailed Description
The application is described in further detail below with reference to the drawings.
Referring to fig. 1 to 4, an embodiment of the present application provides a flue gas dust removal device for a boiler, including: the dust removal tank 1, the dust removal tank 1 is fixedly formed by a rectangular shell and a conical shell, the upper end is provided with a sealing cover 11 in a threaded manner, a plurality of filter plates 4 are inserted into the dust removal tank 1, the two sides of the dust removal tank 1 are fixedly sleeved with an air inlet pipe 2 and an air outlet pipe 3 respectively, the bottom end of the dust removal tank 1 is fixedly connected with a dust collection box 12, the bottom end of the dust collection box 12 is fixedly sleeved with a drain pipe 13, a plurality of dust collection boxes 7 are slidably arranged on the dust collection box 12, the dust removal tank 1 is provided with a waste heat recovery assembly 5 and a waste heat removal assembly 6, the waste heat recovery assembly 5 comprises two end pipes 51 and a plurality of matrix type drain pipes 52, the end pipes 51 are fixedly communicated with one matrix type drain pipe 52 at the upper end and the lower end respectively, a connecting pipe 53 is fixedly communicated between every two adjacent matrix type drain pipes 52, the waste heat recovery assembly 6 comprises a water inlet pipe 61, the water inlet pipe 61 is fixedly communicated with a plurality of pipe racks 62, the multi-row pipe rack 62 and the matrix type pipe rack 52 are fixedly connected with the dust removal tank 1, a plurality of vertical pipes 63 are fixedly arranged on the multi-row pipe rack 62, a plurality of spray holes are formed in each vertical pipe 63, boiler flue gas is fed into the dust removal tank 1 through the air inlet pipe 2, multi-layer dust filtration treatment is needed through the plurality of filter plates 4, the dust removal effect can be realized through the plurality of vertical pipes 63 arranged in a multi-row mode, dust deposited on the filter plates 4 is effectively removed by cleaning liquid sprayed by the vertical pipes 63, sewage flows to the dust collection box 12, the sewage is filtered by the plurality of dust collection boxes 7, dirt in the sewage is partially intercepted, water is discharged from the drain pipe 13, and waste heat of the boiler flue gas can be effectively absorbed by the communicated plurality of matrix type pipe racks 52, so that the heating effect is realized, the structure of the boiler flue gas dust removal tank 1 is simple, the dust removal effect is good, and the dust removal process can effectively avoid the outer scattering of flue gas granule, can conveniently carry out effectual cleaning treatment to dust removal filter plate 4, guarantees long-term treatment boiler flue gas effect, and can conveniently collect the dust of handling.
Referring to fig. 1 and 2, a plurality of mounting grooves 14 are formed in the dust collection box 12, a dust collection box 7 is slidably mounted in each mounting groove 14, a plurality of guide grooves 15 are formed in the inner wall of the dust collection tank 1, the filter plates 4 are slidably mounted in the guide grooves 15, the dust collection box 7 can be slidably mounted in the dust collection box 12 along the mounting grooves 14, so that sewage generated by cleaning the filter plates 4 is filtered, dirt in the sewage is trapped, and the filter plates 4 can be slidably inserted and mounted along the guide grooves 15, so that the filter plates are convenient to mount and dismount.
Referring to fig. 1 and 3, two lifting grooves 41 are formed in the upper end of each filter plate 4, a row of multiple vertical pipes 63 are formed in the side plate of each filter plate 4, when the filter plates 4 are installed, the filter plates 4 are installed vertically through the two lifting grooves 41, and are located at the side surfaces of the filter plates 4, and through the arrangement of the row of multiple vertical pipes 63, the cleaning effect on the side surfaces of the filter plates 4 can be achieved.
Referring to fig. 1 and 2, a plurality of filter holes 71 are formed in the inner bottom surface of the dust box 7, drawing grooves 72 are formed in the dust box 7, and the dust box 7 can achieve sewage interception and filtration treatment through the plurality of filter holes 71, so that water is discharged from the drain pipe 13.
Referring to fig. 3 and 4, the matrix type calandria 52 and the multi-row pipe rack 62 have the same structure, and include rectangular pipes and a plurality of transverse pipes, the matrix type calandria 52 and the multi-row pipe rack 62 are composed of rectangular pipes and a plurality of transverse pipes, so that the transverse pipes can be inserted between the filter plates 4, and each filter plate 4 can be cleaned, and the waste heat recovery effect is good.
The boiler flue gas is sent into the dust removal tank 1 through the air inlet pipe 2, multi-layer filtration dust treatment is needed through the plurality of filter plates 4, finally, the dust is discharged from the exhaust pipe 3, the filter plates 4 are vertically installed and are positioned at the side surfaces of the filter plates 4, the boiler flue gas can realize the spray dust removal effect by arranging a row of a plurality of vertical pipes 63, the cleaning effect on the side surfaces of each filter plate 4 can be realized, dust deposited on the filter plates 4 can be conveniently cleaned, the service life of the filter plates 4 can be prolonged, the filtering effect of the filter plates 4 is improved, sewage flows to the dust collection box 12, the filtration treatment is carried out through the plurality of dust collection boxes 7, dirt in the sewage is partially intercepted, water is discharged from the drain pipe 13, and the waste heat of the boiler flue gas can be effectively absorbed by the communicated plurality of matrix type exhaust pipes 52, so that the heating effect is realized.