Metal arsenic flue gas purification device
By designing a multi-stage purification device for metallic arsenic flue gas, and utilizing a combination of a filter tower and an alkaline scrubbing tower, the problem of excessive metallic arsenic in the flue gas of metallic arsenic smelting kilns was solved, achieving a highly efficient flue gas purification effect.
Patent Information
- Application Number
- CN202520456123.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Existing flue gas treatment processes for arsenic smelting kilns are too simple, resulting in excessive levels of metallic arsenic in the flue gas and causing environmental pollution.
A flue gas purification device for metallic arsenic was designed, including a filter tower, an alkaline scrubbing tower, and an integrated alkaline scrubbing, dust removal, and demisting tower. Through multi-stage purification, the device utilizes first and second interception components, alkaline scrubbing components, and a dust removal and demisting structure to achieve multi-stage purification and remove metallic arsenic particles from the flue gas.
It achieves highly efficient purification of arsenic flue gas, removing approximately 99.95% of arsenic particulate matter and meeting environmental emission standards.
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Figure CN223901569U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal arsenic flue gas purification technical field especially relates to a metal arsenic flue gas purification device. BACKGROUND
[0002] Kiln refers to the furnace used for firing ceramic objects and sculptures or is to allow enamel to fuse to the surface of metal objects, generally built with bricks and stones, can be made into various sizes according to the need, can use combustible gas, oil or electricity to run, electric kiln is more easily controlled temperature than using combustible gas and oil kiln, but some potters and sculptors think that the temperature of electric kiln rises too fast.
[0003] When firing in the kiln, flue gas will be generated, in order to let the flue gas reach the emission standard, it is necessary to purify the flue gas, filter and remove harmful substances and particles in the flue gas.
[0004] At present, the metal arsenic smelting kiln flue gas treatment process is relatively simple, the metal arsenic in flue gas emission exceeds the standard, polluting the environment.
[0005] Therefore, it is necessary to provide a metal arsenic flue gas purification device to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0006] The utility model provides a metal arsenic flue gas purification device, solve the problem that the metal arsenic smelting kiln flue gas treatment process is relatively simple in prior art and makes the metal arsenic in flue gas emission exceed the standard and pollutes the environment.
[0007] In order to solve the above technical problems, the metal arsenic flue gas purification device provided by the utility model comprises a bottom plate;
[0008] Kiln, the kiln is fixedly connected at the top of the bottom plate near one side, a smoke collecting main pipe is installed at the top of the kiln, a connecting pipe is installed at the top of the smoke collecting main pipe through a connecting head, a filter tower is installed at the top of the bottom plate near the other side, a plurality of first intercepting components for connecting impurities are installed in the filter tower, a sealing cover is installed at the top of the filter tower, an air induction equipment for providing suction is installed at the top of the sealing cover, a suction pipe is installed at the inlet of the air induction equipment, and an exhaust pipe is installed at the outlet of the air induction equipment.
[0009] The alkali liquor washing tower is installed on the top of the bottom plate, a first alkali liquor washing part is installed in the alkali liquor washing tower, a butt joint pipe is installed on the top of the alkali liquor washing tower, an alkali liquor washing, dust removal and demisting integrated tower is installed on the top of the alkali liquor washing tower through a support frame, a second alkali liquor washing part and a dust removal and demisting structure are installed in the alkali liquor washing, dust removal and demisting integrated tower, and a purified flue gas direct discharge pipe with a butt joint disc is installed on the top of the alkali liquor washing, dust removal and demisting integrated tower.
[0010] A plurality of first interception parts are installed in the filter tower through the mounting disc, the induced draft equipment comprises a shell and a fan, the other end of the connecting pipe is connected with the bottom of the filter tower, the spray head is inserted into the top of the first interception part, and the first interception part is a cloth bag dust removal structure.
[0011] Preferably, a control box is installed on the top of the bottom plate, and a box door is rotatably connected to the front face of the control box.
[0012] A lock is arranged on the box door, and a power switch and a controller for controlling the operation of the equipment are installed in the control box.
[0013] Preferably, a mounting base is installed on the top of the control box, a control switch is installed on the top of the mounting base, and a temperature sensor is installed on the top of the sealing cover through a fixing base.
[0014] The control switch can manually control the operation of the equipment on the bottom plate.
[0015] Preferably, the gas supply assembly comprises a fixing structure, a gas permeable structure and a gas supply part, the fixing structure is used for mounting the gas supply part, and the gas supply part is used for providing high-pressure cleaning gas.
[0016] The gas permeable structure is a gas permeable hole which can assist in heat dissipation.
[0017] Preferably, a mounting pipe is installed at the inlet of the gas supply part, and a filter pipe is fixedly connected to the other end of the mounting pipe.
[0018] The filter pipe is divided into two sections.
[0019] Preferably, a second interception part is installed in the filter pipe, and an inlet pipe is fixedly connected to the other end of the filter pipe.
[0020] The second interception part is used for intercepting impurities in the inlet gas.
[0021] Compared with the related art, the metal arsenic flue gas purification device has the following beneficial effects:
[0022] The utility model provides a kind of metal arsenic flue gas purification device, to increase the effect of metal arsenic flue gas purification, install a filter tower with first intercepting component on bottom plate, simultaneously install alkali washing dust removal and mist removal integrated tower in the upper of alkali washing tower, and make the both be communicated well by docking pipe, and install first alkali washing component in alkali washing tower, install second alkali washing component and dust removal and mist removal structure in alkali washing dust removal and mist removal integrated tower respectively, to improve the purification effect of heavy metal in metal arsenic flue gas, by the design, after 99.95% or so metal arsenic particulate matter is removed by first intercepting component in filter tower, enter alkali washing tower to remove flue gas escape particulate matter, then enter alkali washing dust removal and mist removal integrated tower to carry out purification treatment, metal arsenic particulate matter in flue gas is completely removed, reach environmental protection discharge standard. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The structure schematic view of a preferred embodiment of the metal arsenic flue gas purification device provided by the utility model is shown;
[0024] Figure 2 The structure schematic view of filter tower provided by the utility model is shown;
[0025] Figure 3 The structure schematic view of sealing cover provided by the utility model is shown;
[0026] Figure 4 The structure schematic view of air supply assembly provided by the utility model is shown. Figure 3 The enlarged view of A shown in the figure;
[0027] Figure 5 The structure schematic view of air supply assembly provided by the utility model is shown.
[0028] Marked number in the figure: 1, bottom plate, 2, kiln, 3, smoke collecting main pipe, 4, connecting head, 5, connecting pipe, 6, sealing cover, 7, purification flue gas direct discharge pipe, 8, docking disc, 9, alkali washing dust removal and mist removal integrated tower, 10, support frame, 11, alkali washing tower, 12, filter tower, 13, docking pipe, 14, fixed base, 15, control switch, 16, installation base, 17, box door, 18, control box, 19, discharge pipe, 20, induced draft equipment, 21, suction pipe, 22, air supply pipe, 23, air supply assembly, 231, fixed structure, 232, breathable structure, 233, air supply component, 234, filter pipe, 235, inlet pipe, 236, second intercepting component, 237, installation pipe, 24, first alkali washing component, 25, temperature sensor, 26, second alkali washing component, 27, dust removal and mist removal structure, 28, annular shunt pipe, 29, spray head, 30, first intercepting component. DETAILED DESCRIPTION
[0029] The utility model discloses make further explanation to the utility model below combining the drawing and implementation.
[0030] Please combine with Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 Among them, Figure 1 It is the structure diagram of a preferred embodiment of the metal arsenic flue gas purification device provided by the utility model; Figure 2 It is the structure diagram of the filter tower provided by the utility model; Figure 3 It is the structure diagram of the sealing cover provided by the utility model; Figure 4 It is the enlarged view of A shown in Figure 3 Provided by the utility model Figure 5 It is the structure diagram of the air supply assembly provided by the utility model. Metal arsenic flue gas purification device includes: bottom plate 1;
[0031] Kiln 2, the kiln 2 is fixedly connected at the top of bottom plate 1 near one side, the top of kiln 2 is installed with smoke collecting main pipe 3, the top end of smoke collecting main pipe 3 is installed with connecting pipe 5 through connecting head 4, the top of bottom plate 1 near the other side is installed with filter tower 12, the inside of filter tower 12 is installed with a plurality of first intercepting parts 30 for intercepting impurities, the top of filter tower 12 is installed with sealing cover 6, the top of sealing cover 6 is installed with one air draft equipment 20 for providing suction, the inlet of air draft equipment 20 is installed with suction pipe 21, the outlet of air draft equipment 20 is installed with exhaust pipe 19, the top of bottom plate 1 is installed with air supply assembly 23, the outlet of air supply assembly 23 is installed with air supply pipe 22, the other end of air supply pipe 22 is installed with a plurality of spray heads 29 through annular shunt pipe 28;
[0032] Lye washing tower 11, the lye washing tower 11 is installed at the top of bottom plate 1, the inside of lye washing tower 11 is installed with first lye washing part 24, the top of lye washing tower 11 is installed with butt joint pipe 13, the top of lye washing tower 11 is installed with lye washing dust removal and mist removal integrated tower 9 through support frame 10, the inside of lye washing dust removal and mist removal integrated tower 9 is installed with second lye washing part 26 and dust removal and mist removal structure 27, the top of lye washing dust removal and mist removal integrated tower 9 is installed with one purification flue gas direct discharge pipe 7 with butt joint disc 8;
[0033] The plurality of first intercepting components 30 are installed in the interior of the filter tower 12 through the mounting disc, the induced draft equipment 20 comprises a shell and a fan, the other end of the connecting pipe 5 is connected with the bottom of the filter tower 12, the spray head 29 is inserted into the top of the first intercepting component 30, the first intercepting component 30 is a cloth bag dust removal structure, the other end of the exhaust pipe 19 is connected with the bottom of the lye washing tower 11, and the top end of the connecting pipe 13 is connected with the bottom of the lye washing, dust removal and mist removal integrated tower 9.
[0034] The top of the bottom plate 1 is provided with a control box 18, and the front surface of the control box 18 is rotationally connected with a box door 17;
[0035] The box door 17 is provided with a lock, and the interior of the control box 18 is provided with a power switch and a controller for controlling the operation of the equipment.
[0036] The top of the control box 18 is provided with a mounting base 16, the top of the mounting base 16 is provided with a control switch 15, and the top of the sealing cover 6 is provided with a temperature sensor 25 through a fixing base 14;
[0037] The control switch 15 can manually control the operation of the equipment on the bottom plate 1, and the temperature sensor 25 can monitor the temperature in the interior of the filter tower 12.
[0038] The air supply assembly 23 comprises a fixing structure 231, a gas permeable structure 232 and an air supply component 233, the fixing structure 231 is used for mounting the air supply component 233, and the air supply component 233 is used for providing high-pressure cleaning gas;
[0039] The gas permeable structure 232 is a gas permeable hole for assisting heat dissipation, and the air supply component 233 can be a booster pump or an air pump.
[0040] The inlet of the air supply component 233 is provided with a mounting pipe 237, and the other end of the mounting pipe 237 is fixedly connected with a filter pipe 234;
[0041] The filter pipe 234 is divided into two sections and can be separated.
[0042] The interior of the filter pipe 234 is provided with a second intercepting component 236, and the other end of the filter pipe 234 is fixedly connected with an inlet pipe 235;
[0043] The second intercepting component 236 is used for intercepting impurities in the entering gas, and the inlet pipe 235 is used for facilitating air entering.
[0044] The working principle of the metal arsenic flue gas purification device is as follows:
[0045] The filter tower 12 with the first intercepting part 30 is installed on the bottom plate 1, meanwhile, the alkali washing and dust and mist removing integrated tower 9 is installed above the alkali washing tower 11, and the two are communicated through the butt joint pipe 13, the first alkali washing part 24 is installed in the alkali washing tower 11, and the second alkali washing part 26 and the dust and mist removing structure 27 are respectively installed in the alkali washing and dust and mist removing integrated tower 9, so that the purification effect of heavy metals in the metal arsenic flue gas can be improved, in actual use, the metal arsenic flue gas is injected into the filter tower 12 through the connecting pipe 5, the impurities in the metal arsenic flue gas are intercepted and filtered by the first intercepting part 30 in the filter tower 12, the filtered flue gas is conveyed by the induced draft equipment 20, and the metal arsenic flue gas is sequentially purified in the alkali washing tower 11 and the alkali washing and dust and mist removing integrated tower 9, and the purified flue gas can be discharged through the purified flue gas direct discharge pipe 7.
[0046] Compared with the related art, the metal arsenic flue gas purification device has the following beneficial effects:
[0047] In order to increase the purification effect of the metal arsenic flue gas, the filter tower 12 with the first intercepting part 30 is installed on the bottom plate 1, meanwhile, the alkali washing and dust and mist removing integrated tower 9 is installed above the alkali washing tower 11, and the two are communicated through the butt joint pipe 13, the first alkali washing part 24 is installed in the alkali washing tower 11, and the second alkali washing part 26 and the dust and mist removing structure 27 are respectively installed in the alkali washing and dust and mist removing integrated tower 9, so that the purification effect of heavy metals in the metal arsenic flue gas can be improved, through the design, the first intercepting part 30 in the filter tower 12 removes about 99.95% of the metal arsenic particulate matters, then the flue gas escapes the particulate matters in the alkali washing tower 11, and then enters the alkali washing and dust and mist removing integrated tower 9 for purification treatment, so that the metal arsenic particulate matters in the flue gas are completely removed, and the environmental protection emission standard is reached.
[0048] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.
Claims
1. A metal arsenic flue gas cleaning device, characterized by Include: The bottom plate; Kiln, the kiln is fixedly connected on the top of the bottom plate near one side, the top of the kiln is installed with a smoke collecting main pipe, the top end of the smoke collecting main pipe is installed with a connecting pipe through a connector, the top of the bottom plate is installed with a filter tower near the other side, a plurality of first intercepting components for intercepting impurities are installed in the filter tower, a sealing cover is installed on the top of the filter tower, a draft equipment for providing suction is installed on the top of the sealing cover, a suction pipe is installed on the inlet of the draft equipment, a discharge pipe is installed on the outlet of the draft equipment, a gas supply assembly is installed on the top of the bottom plate, a gas supply pipe is installed on the outlet of the gas supply assembly, a plurality of spray heads are installed on the other end of the gas supply pipe through an annular shunt pipe; Lye washing tower, the lye washing tower is installed on the top of the bottom plate, the first lye washing component is installed in the lye washing tower, the butt joint pipe is installed on the top of the lye washing tower, the lye washing dust removal and mist removal integrated tower is installed on the top of the lye washing tower through the support frame, the second lye washing component and the dust removal and mist removal structure are installed in the lye washing dust removal and mist removal integrated tower, the clean flue gas direct discharge pipe with butt joint disc is installed on the top of the lye washing dust removal and mist removal integrated tower.
2. The metal arsenic flue gas cleaning device according to claim 1, characterized in that The top of the bottom plate is installed with a control box, the front of the control box is rotatably connected with a box door.
3. The metal arsenic off-gas cleaning device according to claim 2, characterized in that, The top of the control box is installed with a mounting base, the top of the mounting base is installed with a control switch, the top of the sealing cover is installed with a temperature sensor through a fixing base.
4. The metal arsenic flue gas cleaning device according to claim 1, characterized in that The gas supply assembly includes a fixing structure, a breathable structure and a gas supply component, the fixing structure is used for installing the gas supply component, and the gas supply component is used for providing high-pressure cleaning gas.
5. The metal arsenic off-gas cleaning device according to claim 4, characterized in that The inlet of the gas supply component is installed with a mounting pipe, the other end of the mounting pipe is fixedly connected with a filter pipe.
6. The metal arsenic off-gas cleaning device according to claim 5, characterized in that The second intercepting component is installed in the filter pipe, the other end of the filter pipe is fixedly connected with an inlet pipe.