Waste gas treatment device for alloy cast iron production

Abstract

The utility model relates to the technical field of treatment devices, and discloses an alloy cast iron production waste gas treatment device which comprises a base, one end of the top of the base is fixedly connected with a first treatment barrel, a feeding pipe is arranged on one side of the top of the first treatment barrel, a sealing cover is arranged on the top of the feeding pipe, and one side of the bottom of the base is fixedly sleeved with an air suction pipe. A round hole matched with the air suction pipe is formed in one side of the bottom of the base, an annular pipe is fixedly connected to the end, located in the base, of the air suction pipe, a plurality of through holes are formed in the top of the annular pipe at equal intervals, a tee joint is fixedly connected to the top of the air suction pipe, and a backflow pipe is fixedly connected to one end of the tee joint. The other end of the return pipe fixedly penetrates through one side of the top of the first treatment barrel. According to the utility model, waste gas is discharged from the bottom and is fully mixed and stirred with a neutralization solution, the contact time is prolonged, the reaction sufficiency is enhanced, the treated waste gas flows back to the bottom to react again, the dosage of the neutralization solution required by single treatment is reduced, and the utilization rate of a medicament is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing device technical field especially relates to be used for alloy cast iron production waste gas treatment device. BACKGROUND

[0002] In the alloy cast iron production process, waste gas containing particulate matter, sulfur oxide, nitrogen oxide and other pollutants will be produced. If such waste gas is directly discharged, not only the atmospheric environment is polluted, human health is harmed, but also environmental problems such as acid rain, haze may be caused. Through the search, the patent with the Chinese patent authorization number CN221062273U discloses a waste gas treatment device for cast iron production, which comprises a purification cylinder, an air inlet pipe is fixedly arranged on the outer wall of the purification cylinder and located at the lower end, a top cover is fixedly arranged on the inner wall of the purification cylinder and located at the upper end, a treatment barrel is fixedly arranged on the upper end surface of the top cover, a liquid outlet pipe is fixedly arranged on the lower end surface of the treatment barrel and located at the middle position, a spray box is arranged at the lower end of the liquid outlet pipe and passes through the top cover, a spray head is fixedly arranged on the lower end surface of the spray box, the spray head is provided with a plurality of spray heads and is uniformly distributed, a micro pump is arranged on the liquid outlet pipe, a circulating pipe is fixedly arranged on the upper end surface of the top cover, so that the user can make the neutralizing liquid in the treatment barrel enter the spray box by opening the micro pump, then open the spray head to make the neutralizing liquid spray out, so as to spray and treat the waste gas entering the inside of the purification cylinder, and then react the harmful substances in it, which is convenient to use.

[0003] The waste gas treatment device for cast iron production in the above-mentioned patent has the following disadvantages: the device uses the spraying method to preliminarily treat the waste gas, but the neutralizing liquid is discharged after spraying and is not fully utilized, which greatly increases the use cost. Therefore, the alloy cast iron production waste gas treatment device is designed. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides the alloy cast iron production waste gas treatment device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model relates to an alloy cast iron production exhaust treatment device, including the base, one end fixedly connected with first processing bucket at the top of base, be provided with feeding pipe at the top one side of first processing bucket, and the sealing cover is set up at the top of feeding pipe, the suction pipe is fixedly covered with one side at the bottom of base, the round hole that is suitable for the suction pipe is opened to one side at the bottom of base, the suction pipe is fixedly connected with annular pipe at one end inside the base, and a plurality of through -holes are equally opened to the top of annular pipe, the suction pipe is fixedly connected with tee head at the top, and the reflux pipe is fixedly connected with one end of tee head, and the other end of reflux pipe is fixedly penetrated first processing bucket top one side, the round hole that is suitable for the reflux pipe is opened to first processing bucket top one side, the filter box is fixedly connected with the other end of tee head at the top, and the connecting pipe is fixedly connected with the other side of filter box, and the filter plate is set up in the filter box, and the access door is set up in the filter box one side, and the second gas pump can be connected with the first processing bucket top exhaust gas and is drawn to the first processing bucket bottom and carries out the reaction, improves the result of exhaust treatment.

[0007] Preferably, the second gas pump is arranged in the middle of the suction pipe, and one end of the tee head is the input end of the second gas pump, and the second gas pump is fixedly connected to the outer wall of the first processing bucket.

[0008] Preferably, the motor is fixedly installed at the top of the first processing bucket, and the output end of the motor is fixedly connected with the rotating rod penetrating through the first processing bucket, and a plurality of stirring rods are fixedly connected to the bottom circumferential surface of the rotating rod, and the stirring rods accelerate the quality of exhaust treatment.

[0009] Preferably, the exhaust pipe is fixedly connected to the top of the first processing bucket, and the other end of the exhaust pipe is fixedly connected with the multi-hole hollow cover, and the first gas pump is arranged in the exhaust pipe, and the output end of the first gas pump is close to the multi-hole hollow cover, and the first gas pump is fixedly connected to the top of the first processing bucket.

[0010] Preferably, the second processing bucket is fixedly connected to the top of the first processing bucket, and the multi-hole hollow cover is arranged in the second processing bucket, and the second discharge pipe is fixedly connected to the bottom of the outer wall of the second processing bucket, and the second control valve is arranged on the second discharge pipe, and the second processing bucket can further treat the discharged exhaust gas.

[0011] Preferably, the gas pressure sensor is fixedly embedded in the top of the first processing bucket, and the controller is further arranged on the outer wall of the first processing bucket, and the controller is electrically connected with the gas pressure sensor, the second gas pump and the first gas pump.

[0012] Preferably, the first discharge pipe is fixedly connected to the bottom of the outer wall of the first processing bucket, and the first control valve is arranged on the first discharge pipe.

[0013] The utility model discloses a beneficial effect is:

[0014] 1. Due to the adoption of the air suction pipe, the second air pump, the through hole, the tee joint, the return pipe, the connecting pipe and the stirring rod and other technical means, the exhaust gas is discharged from the bottom of the first treatment barrel, so that the exhaust gas is fully mixed with the neutralizing liquid, and the stirring of the stirring rod is matched, so that the exhaust gas treatment is fully carried out, and the second air pump can also send the treated exhaust gas at the top of the first treatment barrel back to the bottom of the first treatment barrel for re-treatment, effectively solving the problem of large consumption of neutralizing liquid in the background art, and further realizing that the exhaust gas is discharged from the bottom and fully mixed and stirred with the neutralizing liquid, prolonging the contact time, enhancing the reaction completeness, the treated exhaust gas is returned to the bottom for re-treatment, reducing the amount of neutralizing liquid required for single treatment, and improving the utilization rate of medicaments.

[0015] 2. By the setting of the first air pump, the exhaust pipe, the multi-hole hollow cover and the second treatment barrel, the exhaust gas to be discharged is treated again by the second treatment barrel, so that the exhaust gas treatment quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the alloy cast iron production exhaust gas treatment device according to the present application;

[0017] Figure 2 It is a first treatment barrel sectional structure schematic view of the alloy cast iron production exhaust gas treatment device according to the present application;

[0018] Figure 3 It is a structure schematic view of the air suction pipe of the alloy cast iron production exhaust gas treatment device according to the present application;

[0019] Figure 4 It is a structure schematic view of the alloy cast iron production exhaust gas treatment device according to the present application; Figure 3 of the A place enlarged structure schematic view.

[0020] In the drawing: 1, base; 2, first treatment barrel; 201, feeding pipe; 202, first discharging pipe; 203, first control valve; 3, motor; 301, rotating rod; 302, stirring rod; 4, gas pressure sensor; 5, second treatment barrel; 501, second discharging pipe; 502, second control valve; 6, first air pump; 601, exhaust pipe; 602, multi-hole hollow cover; 7, air suction pipe; 701, annular pipe; 702, through hole; 703, second air pump; 704, tee joint; 705, return pipe; 706, filter box; 707, filter plate; 708, maintenance door; 709, connecting pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0022] Reference Figures 1-4 , for alloy cast iron production exhaust treatment device, including base 1, the top of base 1 one end is fixedly connected with first processing barrel 2, first processing barrel 2 top one side is provided with feeding pipe 201, and the top of feeding pipe 201 is provided with sealing cover, the bottom of base 1 one side is fixedly provided with suction pipe 7, the bottom of base 1 one side is provided with circular hole matched with suction pipe 7, the end of suction pipe 7 inside base 1 is fixedly connected with annular pipe 701, and a plurality of through holes 702 are equidistantly arranged on the top of annular pipe 701, the top of suction pipe 7 is fixedly connected with tee head 704, one end of tee head 704 is fixedly connected with reflux pipe 705, and the other end of reflux pipe 705 is fixedly penetrated through the top one side of first processing barrel 2, the top one side of first processing barrel 2 is provided with circular hole matched with reflux pipe 705, the other end of tee head 704 top is fixedly connected with filter box 706, and the other side of filter box 706 is fixedly connected with connecting pipe 709, and filter plate 707 is arranged in filter box 706, and the side of filter box 706 is provided with access door 708, and the filter plate 707 can be replaced through access door 708.

[0023] In the utility model, the second air pump 703 is arranged in the middle of the suction pipe 7, one end of the tee head 704 is the input end of the second air pump 703, and the second air pump 703 is fixedly connected to the outer wall of the first processing barrel 2.

[0024] In the utility model, the motor 3 is fixedly installed at the top middle of the first processing barrel 2, the output end of the bottom of the motor 3 is fixedly connected with the rotating rod 301 which penetrates through the first processing barrel 2, and a plurality of stirring rods 302 are fixedly connected to the circumferential surface of the bottom of the rotating rod 301, and the stirring rods 302 can accelerate the reaction of waste and liquid.

[0025] In the utility model, the exhaust pipe 601 is fixedly connected to the top of the first processing barrel 2, the other end of the exhaust pipe 601 is fixedly connected with the perforated hollow cover 602, the first air pump 6 is arranged in the exhaust pipe 601, and the end of the first air pump 6 close to the perforated hollow cover 602 is the output end, and the first air pump 6 is fixedly connected to the top of the first processing barrel 2.

[0026] In the utility model, the second processing barrel 5 is fixedly connected to the top of the base 1 close to the first processing barrel 2, the perforated hollow cover 602 is located at the inner bottom of the second processing barrel 5, the second discharge pipe 501 is fixedly connected to the outer wall bottom of the second processing barrel 5, and the second control valve 502 is arranged on the second discharge pipe 501, and the second processing barrel 5 can further process the treated exhaust gas, so that the exhaust gas can be discharged.

[0027] The utility model discloses, first processing bucket 2 top fixedly embedded with gas pressure sensor 4, and first processing bucket 2 outer wall still be provided with controller, and controller respectively with gas pressure sensor 4, second air pump 703 and first air pump 6 electric connection, gas pressure sensor 4 can avoid first processing bucket 2 inside gas pressure too high.

[0028] The utility model discloses, first processing bucket 2 outer wall bottom fixed connection has first discharge pipe 202, and first discharge pipe 202 is provided with first control valve 203, and first discharge pipe 202 with first control valve 203's setting makes can replace the liquid in first processing bucket 2 inside.

[0029] Working principle: the device when using, each electric appliance is connected to the commercial power, and through the feeding pipe 201 to first processing bucket 2 in addition neutral liquid, also add the same liquid in second processing bucket 5, the exhaust gas is connected to the device through the connecting pipe 709, opens second air pump 703, makes second air pump 703 filter box 706 and the gas at the reflux pipe 705 to annular pipe 701 delivery, opens the motor 3, makes the rotary rod 301 and the stirring rod 302 to first processing bucket 2 inside neutral liquid carries out stirring, makes with the exhaust gas that from the through -hole 702 and emerges fully mixes, makes the harmful sulfide in exhaust gas and neutral liquid reaction, realizes exhaust gas treatment, simultaneously through the continuous work of second air pump 703, makes the reaction after the exhaust gas on first processing bucket 2 top to extract again, makes repeatedly reaction, makes harmful material processing fully, when first processing bucket 2 inner wall gas pressure too high, closes second air pump 703, opens first air pump 6, makes the exhaust gas after reaction in first processing bucket 2 to second processing bucket 5, through the setting of the multi -hole hollow cover 602, makes the exhaust gas better and second processing bucket 5 in liquid carries out again reaction, finally through second processing bucket 5 top discharge, through the cooperation of second air pump 703 and first air pump 6, makes all exhaust gas be effectively treated and discharges.

[0030] The above, only for the preferable specific implementation mode of the utility model, but the protection scope of the utility model does not limit to this, any familiar with the technical field of the technology person in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept of the utility model, carries out equivalent replacement or change, all should cover in the protection scope of the utility model.

Claims

1. A device for treating exhaust gases from the production of alloy cast iron, comprising a base (1), characterised in that, The base (1) top one end is fixedly connected with the first processing barrel (2), one side of the top of the first processing barrel (2) is provided with a feeding pipe (201), and the top of the feeding pipe (201) is provided with a sealing cover, one side of the bottom of the base (1) is fixedly sleeved with a suction pipe (7), and a circular hole matched with the suction pipe (7) is formed in one side of the bottom of the base (1), one end of the suction pipe (7) inside the base (1) is fixedly connected with an annular pipe (701), a plurality of through holes (702) are equidistantly formed in the top of the annular pipe (701), the top of the suction pipe (7) is fixedly connected with a tee joint (704), one end of the tee joint (704) is fixedly connected with a reflux pipe (705), the other end of the reflux pipe (705) is fixedly penetrated through one side of the top of the first processing barrel (2), a circular hole matched with the reflux pipe (705) is formed in one side of the top of the first processing barrel (2), the other end of the tee joint (704) is fixedly connected with a filter box (706), one side of the filter box (706) is fixedly connected with a connecting pipe (709), and a filter plate (707) is arranged in the filter box (706), and a maintenance door (708) is arranged on one side of the filter box (706).

2. The apparatus for treating exhaust gas from alloy cast iron production according to claim 1, characterized by, The second air pump (703) is arranged in the middle of the suction pipe (7), one end of the tee joint (704) is the input end of the second air pump (703), and the second air pump (703) is fixedly connected to the outer wall of the first processing barrel (2).

3. The apparatus for treating exhaust gas from alloy cast iron production according to claim 1, characterized by, The motor (3) is fixedly installed at the top of the first processing barrel (2), and the output end of the bottom of the motor (3) is fixedly connected with a rotating rod (301) penetrating through the first processing barrel (2), and a plurality of stirring rods (302) are fixedly connected to the bottom circumferential surface of the rotating rod (301).

4. The apparatus for treating exhaust gas from alloy cast iron production according to claim 1, characterized by The top of the first processing barrel (2) is fixedly connected with an exhaust pipe (601), and the other end of the exhaust pipe (601) is fixedly connected with a porous hollow cover (602), and the first air pump (6) is arranged in the exhaust pipe (601), and the end of the first air pump (6) close to the porous hollow cover (602) is the output end, and the first air pump (6) is fixedly connected to the top of the first processing barrel (2).

5. The apparatus for treating exhaust gas from alloy cast iron production according to claim 1, wherein The top of the base (1) is fixedly connected with the second processing barrel (5) close to the first processing barrel (2), and the porous hollow cover (602) is located inside the bottom of the second processing barrel (5), and the second processing barrel (5) is fixedly connected with a second discharge pipe (501) on the bottom of the outer wall, and the second discharge pipe (501) is provided with a second control valve (502).

6. The apparatus for treating exhaust gas from alloy cast iron production according to claim 1, wherein The top of the first processing barrel (2) is fixedly embedded with a gas pressure sensor (4), and the outer wall of the first processing barrel (2) is further provided with a controller, and the controller is electrically connected with the gas pressure sensor (4), the second air pump (703) and the first air pump (6) respectively.

7. The apparatus for treating exhaust gas from alloy cast iron production according to claim 1, wherein The bottom of the outer wall of the first processing barrel (2) is fixedly connected with a first discharge pipe (202), and the first discharge pipe (202) is provided with a first control valve (203).

Images