Environment-friendly treatment device for smelting waste gas

Abstract

The utility model discloses an environment-friendly treatment device for smelting waste gas, which relates to the technical field of waste gas treatment and comprises a base and a box body, a water bath hopper is fixedly arranged below the box body, a support frame is arranged below the water bath hopper, a dust collection barrel is arranged below a discharge port of the water bath hopper, and the dust collection barrel and the support frame are arranged on the base. A gas inlet pipe penetrates through the left side of the box body, a water inlet pipe and a water outlet pipe penetrate through the water bath hopper front and back, a plurality of water spraying pipes are fixedly arranged on the inner wall of the water bath hopper, and waste gas enters the box body from the gas inlet pipe. After water is atomized through the water spraying pipe, waste gas is sprayed with water to be cooled, meanwhile, large-particle dust and water vapor are combined and fall into the dust collecting barrel through the water bath hopper, so that the waste gas is filtered for the first time, the remaining waste gas is filtered for the second time through the multiple layers of filter screens in the box body, and the waste gas is further clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely is a kind of smelting waste gas environmental protection treatment device. BACKGROUND

[0002] Our country produces waste gas in the process of metal smelting and can possibly cause influence to environment, and the fuel mainly has coal, coke, heavy oil, diesel, coal gas, natural gas etc., after fuel burns, waste gas contains a large amount of smoke and dust and gas containing sulfur, carbon, phosphorus and nitrogen oxide etc., after heating, furnace charge, a large amount of sulfur, carbon, nitrogen oxide and smoke and dust containing various metal oxides and non-metal oxides, it can also contain harmful substances, these can possibly pollute environment.

[0003] The utility model with publication number CN211753631U discloses a kind of waste gas environmental protection treatment equipment, the utility model is combined with waste gas by water spraying mechanism to the inside of box sprays water, then reaches preliminary dust removal, then by activated carbon to waste gas is adsorbed, to reach the purpose of waste gas purification.

[0004] The above-mentioned device can achieve the purpose of treating and purifying waste gas, when the waste gas is smelting waste gas, the spraying mechanism can also cool the smelting waste gas, but it is impossible to achieve the purpose of purifying smelting waste gas by relying on activated carbon to adsorb harmful substances in smelting waste gas, so more treatment devices need to be set. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of smelting waste gas environmental protection treatment device to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of smelting waste gas environmental protection treatment device, including base and box, the water bath hopper is fixedly arranged below the box, the supporting frame is arranged below the water bath hopper, the dust collecting cylinder is arranged below the discharge port of the water bath hopper, the dust collecting cylinder and supporting frame are arranged on the base, the air inlet pipe is arranged through the left side of the box, the water inlet pipe and water outlet pipe are arranged through the front and back of the water bath hopper, a plurality of water spraying pipes are fixedly arranged on the inner wall of the water bath hopper, a plurality of atomizing holes are formed in the water spraying pipe, the water outlet of the water inlet pipe is connected with the water inlet of the water spraying pipe, the water outlet of the water spraying pipe is connected with the water inlet of the water outlet pipe, waste gas enters the inside of box from air inlet pipe, the air treatment device is arranged on the right side of the box, the connecting pipe is arranged through the right panel of the air treatment device.

[0008] As a further scheme of the utility model: the inner wall of the box is provided with a plurality of annular grooves, the grooves are sequentially provided with first filter screen, second filter screen and third filter screen.

[0009] As a further scheme of the utility model: the front panel of the air treatment device is sequentially provided with acid inlet pipe, acid outlet pipe, alkali inlet pipe and alkali outlet pipe on the left and right sides.

[0010] As a further scheme of the utility model: the acid inlet pipe, acid outlet pipe, alkali inlet pipe and alkali outlet pipe are respectively provided with valves.

[0011] As a further scheme of the utility model: the air treatment device is internally provided with a partition plate, the partition plate divides the internal space of the air treatment device, a left side space in the air treatment device is connected with the internal space of the box through a pipeline, a fan is installed in the pipeline, an acidic solution is arranged at the bottom of the left side space in the air treatment device, a first activated carbon is arranged at the upper portion of the left side space in the air treatment device, a gas guide hopper is arranged below the first activated carbon, the lower portion of the gas guide hopper is immersed in the acidic solution and the immersed portion is provided with a plurality of microporous structures, an alkaline solution is arranged at the bottom of a right side space in the air treatment device, a second activated carbon is arranged at the upper portion of the right side space in the air treatment device, a gas guide pipe is arranged through the partition plate in the right side space in the air treatment device, the lower portion of the gas guide pipe is immersed in the alkaline solution and the immersed portion is provided with a plurality of microporous structures.

[0012] As a further scheme of the utility model: a detection box is arranged at the right side of the upper end face of the air treatment device, the detection box is communicated with the right side space in the air treatment device through a connecting pipe, and an air outlet pipe is arranged on the upper panel of the detection box.

[0013] As a further scheme of the utility model: a gas return pipe is arranged at the left side of the detection box, and the detection box is communicated with the left side space in the air treatment device through the gas return pipe.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. The water atomized by the water spraying pipe is used for cooling the waste gas, and the large particle dust is combined with the water vapor and falls into the dust collecting cylinder through the water bath hopper, so that the waste gas is first filtered, the remaining waste gas is secondly filtered by the multiple filter screens in the box, and the waste gas is further cleaned.

[0016] 2. The waste gas after dust removal is sucked into the air treatment device by the fan, the first activated carbon is used for drying the waste gas and preliminarily adsorbing impurities, then the waste gas is introduced into the second activated carbon after being reacted with the acidic solution and the alkaline solution to remove impurities, the second activated carbon is used for drying the waste gas and further adsorbing impurities, so that the waste gas can reach the emission standard and is discharged outside.

[0017] 3、 through detecting the box to detect the exhaust gas, when the exhaust gas meets the emission standard, can directly from the gas pipe to the outside, when the exhaust gas does not meet the emission standard, then from the back gas pipe into the left side space in the air treatment device reprocessing, double processing makes the exhaust gas can be better clean, let the harmful substances in the exhaust gas be eliminated, so as to achieve the purpose of energy saving and environmental protection, so that the exhaust gas can be directly discharged. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is three-dimensional structure schematic view of the embodiment of the utility model.

[0019] Fig. 2 It is front view structure schematic view of the embodiment of the utility model.

[0020] Fig. 3 It is sectional front view structure schematic view of the embodiment of the utility model.

[0021] Fig. 4 It is sectional three-dimensional structure schematic view of the embodiment of the utility model.

[0022] Fig. 5 It is three-dimensional structure schematic view of the embodiment of the utility model in A place.

[0023] Figure mark annotation: 1, base; 2, dust collecting cylinder; 3, support frame; 4, air inlet pipe; 5, box; 51, first filter screen; 52, second filter screen; 53, third filter screen; 6, water bath; 61, water inlet pipe; 62, water spraying pipe; 63, water outlet pipe; 7, air treatment device; 71, acidic solution; 72, alkaline solution; 73, gas guide pipe; 74, gas guide bucket; 75, first activated carbon; 76, second activated carbon; 81, acid inlet pipe; 82, acid outlet pipe; 91, base inlet pipe; 92, base outlet pipe; 10, valve; 11, connecting pipe; 12, back gas pipe; 13, detection box; 14, gas outlet pipe; 15, fan. DETAILED DESCRIPTION

[0024] The following embodiments will be described in detail with reference to the accompanying drawings, in the drawings or the description, similar or identical parts use the same reference number, and in practical application, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modification or change made to the utility model does not deviate from the spirit and scope of the utility model.

[0025] EMBODIMENT

[0026] Please refer to Figs. 1-5The utility model discloses a smelting waste gas environmental protection treatment device, including base 1 and box 5, the water bath bucket 6 of being fixedly arranged below box 5 is provided with, and the support frame 3 of being provided with below water bath bucket 6, the dust collecting cylinder 2 of being provided with below the discharge gate of water bath bucket 6, dust collecting cylinder 2 and support frame 3 set up on base 1, and the support effect of box 5 and water bath bucket 6 is played to through support frame 3.

[0027] The air inlet pipe 4 is provided on the left side of the box 5, a plurality of annular grooves are formed in the inner wall of the box 5, the first filter screen 51, the second filter screen 52 and the third filter screen 53 are sequentially installed in the grooves, the water inlet pipe 61 and the water outlet pipe 63 are provided through the front and back of the water bath bucket 6, a plurality of water spraying pipes 62 are fixedly arranged on the inner wall of the water bath bucket 6, a plurality of atomizing holes are formed in the water spraying pipes 62, the water outlet of the water inlet pipe 61 is connected with the water inlet of the water spraying pipe 62, and the water outlet of the water spraying pipe 62 is connected with the water inlet of the water outlet pipe 63, the waste gas enters the inside of the box 5 from the air inlet pipe 4, is atomized by the water spraying pipe 62, and is sprayed and cooled at the same time, so that the large-particle dust is combined with the water vapor and falls into the dust collecting cylinder 2 through the water bath bucket 6, thereby performing the first filtration on the waste gas, the remaining waste gas is subjected to the second filtration by the multiple filter screens in the box 5, and the waste gas is further cleaned.

[0028] The air treatment device 7 is arranged on the right side of the box 5, the front panel of the air treatment device 7 is provided with the acid inlet pipe 81, the acid outlet pipe 82, the alkali inlet pipe 91 and the alkali outlet pipe 92 through the left and right sides in sequence, the acid inlet pipe 81, the acid outlet pipe 82, the alkali inlet pipe 91 and the alkali outlet pipe 92 are respectively provided with the valve 10, the air treatment device 7 is provided with the partition plate inside, the partition plate divides the inside space of the air treatment device 7, the left side space in the air treatment device 7 is connected with the inside space of the box 5 through the pipeline, the fan 15 is installed in the pipeline, the acidic solution 71 is arranged at the bottom of the left side space in the air treatment device 7, the first activated carbon 75 is arranged at the upper part of the left side space in the air treatment device 7, the air guide bucket 74 is arranged below the first activated carbon 75, the lower part of the air guide bucket 74 is immersed in the acidic solution 71 and the immersed part is provided with a plurality of microporous structures, the alkaline solution 72 is arranged at the bottom of the right side space in the air treatment device 7, the second activated carbon 76 is arranged at the upper part of the right side space in the air treatment device 7, the air guide pipe 73 is arranged through the partition plate in the right side space in the air treatment device 7, the lower part of the air guide pipe 73 is immersed in the alkaline solution 72 and the immersed part is provided with a plurality of microporous structures, the waste gas after dust removal is sucked into the air treatment device 7 through the fan 15, the waste gas is dried and the impurities are preliminarily adsorbed by the first activated carbon 75, then the waste gas is introduced into the second activated carbon 76 after being reacted and impurities removed by the acidic solution 71 and the alkaline solution 72, the waste gas is dried and the impurities are further adsorbed by the second activated carbon 76, so that the waste gas can reach the emission standard and is discharged outside.

[0029] The right side of the upper end face of the air treatment device 7 is provided with a detection box 13, the detection box 13 is communicated with the right side space in the air treatment device 7 through a connecting pipe 11, the upper panel of the detection box 13 is provided with an air outlet pipe 14, the detection box 13 is communicated with the left side space in the air treatment device 7 through a gas return pipe 12, the connecting pipe 11 sends the treated waste gas into the detection box 13, the waste gas is detected through the detection box 13, when the waste gas meets the emission standard, it can be directly discharged from the air outlet pipe 14, when the waste gas does not meet the emission standard, it is reprocessed in the left side space in the air treatment device 7 from the gas return pipe 12, double processing makes the waste gas can be better cleaned, harmful substances in the waste gas are removed, so that the purpose of energy saving and environmental protection is achieved, so that the waste gas can be directly discharged.

[0030] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than that of the above description, and it is therefore intended that all changes and modifications that come within the meaning and range of equivalency of the claims are resolvable thereunder. Any reference signs in the claims should not be construed as limiting the scope of the claims to the features to which the reference signs are used.

[0031] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A smelting waste gas environmental protection treatment device, comprising a base (1) and a box body (5), characterized in that, The water bath hopper (6) is provided below the box (5), the supporting frame (3) is provided below the water bath hopper (6), the dust collecting cylinder (2) is provided below the discharge port of the water bath hopper (6), the dust collecting cylinder (2) and the supporting frame (3) are arranged on the base (1), the air inlet pipe (4) is provided through the left side of the box (5), the water inlet pipe (61) and the water outlet pipe (63) are provided through the front and back of the water bath hopper (6), a plurality of water spraying pipes (62) are fixedly arranged on the inner wall of the water bath hopper (6), a plurality of atomizing holes are formed in the water spraying pipes (62), the water outlet of the water inlet pipe (61) is connected with the water inlet of the water spraying pipe (62), the water outlet of the water spraying pipe (62) is connected with the water inlet of the water outlet pipe (63), the exhaust gas enters the box (5) from the air inlet pipe (4), the air treatment device (7) is arranged on the right side of the box (5), the connecting pipe (11) is provided through the right panel of the air treatment device (7). A plurality of annular grooves are formed in the inner wall of the box (5), the first filter screen (51), the second filter screen (52) and the third filter screen (53) are sequentially arranged in the grooves. The acid inlet pipe (81), the acid outlet pipe (82), the alkali inlet pipe (91) and the alkali outlet pipe (92) are sequentially provided through the front panel of the air treatment device (7) and are arranged on the acid inlet pipe (81), the acid outlet pipe (82), the alkali inlet pipe (91) and the alkali outlet pipe (92) respectively.

2. The smelting offgas environmental treatment device according to claim 1, characterized in that, A partition is arranged in the air treatment device (7), the partition divides the inner space of the air treatment device (7), the left side space in the air treatment device (7) is connected with the inner space of the box (5) through a pipeline, the fan (15) is arranged in the pipeline, the acidic solution (71) is arranged at the bottom of the left side space in the air treatment device (7), the first activated carbon (75) is arranged at the upper portion of the left side space in the air treatment device (7), the air guide hopper (74) is arranged below the first activated carbon (75), the alkaline solution (72) is arranged at the bottom of the right side space in the air treatment device (7), the second activated carbon (76) is arranged at the upper portion of the right side space in the air treatment device (7), the air guide pipe (73) is arranged through the partition in the right side space in the air treatment device (7).

3. The smelting offgas environmental treatment device according to claim 2, characterized in that, The lower portion of the air guide hopper (74) is immersed in the acidic solution (71) and the immersed portion has a plurality of microporous structures.

4. The smelting offgas environmental treatment device according to claim 2, characterized in that, The lower portion of the air guide pipe (73) is immersed in the alkaline solution (72) and the immersed portion has a plurality of microporous structures.

5. The smelting offgas environmental treatment device according to claim 1, characterized in that, The detection box (13) is arranged on the right side of the upper end surface of the air treatment device (7), the detection box (13) is communicated with the right side space in the air treatment device (7) through the connecting pipe (11), and the air outlet pipe (14) is arranged on the upper panel of the detection box (13).

6. The smelting offgas environmental treatment device according to claim 5, characterized in that, The air return pipe (12) is arranged on the left side of the detection box (13), and the detection box (13) is communicated with the left side space in the air treatment device (7) through the air return pipe (12).

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