Tail gas absorption device with recovery structure

Abstract

The utility model relates to the technical field of waste gas treatment devices, in particular to a tail gas absorption device with a recovery structure, which comprises a spray tower, a discharge pipe fixedly mounted at the bottom of the spray tower, a separation cylinder fixedly mounted at the end of the discharge pipe, a filter screen arranged in the separation cylinder, and the discharge pipe positioned above the filter screen. A liquid pipe is fixedly installed at the bottom end of the separation cylinder, an air inlet pipe is fixedly installed on a cylinder body of the spraying tower, a liquid medicine cylinder is arranged on one side of the spraying tower, a suction pump is arranged on one side of the liquid medicine cylinder, the suction pump is communicated with the liquid medicine cylinder through a suction pipe, and a conveying pipe is fixedly installed at the liquid outlet end of the suction pump. An upper horizontal pipe and a lower horizontal pipe which are mutually symmetrical are fixedly mounted on a top pipe body of the conveying pipe, a plurality of uniformly-distributed pipes which are arranged at equal intervals are fixedly mounted on the horizontal pipes, and a plurality of nozzles are fixedly mounted at the bottoms of the uniformly-distributed pipes and are positioned in the spray tower. The tail gas treatment device is convenient for tail gas treatment and solid-liquid separation operation, and is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust treatment device technical field, specifically, relate to tail gas absorption device with recovery structure. BACKGROUND

[0002] Isopropyl alcohol aluminum, also known as isopropyl aluminum oxide, is a white crystal or block or powder, has strong hygroscopicity, it can be used as dehydrating agent, waterproof agent and catalyst raw material, also can be used for lithium battery positive material, with the rapid development of new energy vehicles, lithium battery market demand increases unceasingly, and further drives the demand for isopropyl alcohol aluminum.

[0003] The main preparation method of isopropyl alcohol aluminum is through the reaction of metal aluminum and isopropyl alcohol under the catalysis of catalyst, which needs to be carried out under heating conditions, but the boiling point of isopropyl alcohol is only 82.5 DEG C, which will be gasified in the heating process, and discharged together with the generated hydrogen, which not only leads to excessive consumption of isopropyl alcohol, increases the preparation cost, and the discharged isopropyl alcohol also pollutes the environment and causes harm to human body.

[0004] In order to achieve the effect of absorbing and treating tail gas, corresponding absorption device is usually used, there are many kinds of absorption devices on the market, most of the absorption devices are realized by using spray tower to realize the reaction of spray liquid and waste gas, and the effect of tail gas absorption is achieved, the absorbed isopropyl alcohol mixed solution can be used in the subsequent isopropyl alcohol aluminum hydrolysis stage, and the recycling of resources is realized.

[0005] But the absorption device of this kind has the defect that it cannot be solid-liquid separated when discharging the corresponding solution, which will cause solid impurities mixed in the liquid and discharged into the corresponding recovery device together with the liquid, affecting the subsequent recovery effect and bringing inconvenience to the user. In view of this, we propose a tail gas absorption device with recovery structure. UTILITY MODEL CONTENT

[0006] The utility model aims at providing tail gas absorption device with recovery structure to solve the defects proposed in the above background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme:

[0008] The exhaust gas absorption device with a recovery structure includes a spray tower, a discharge pipe is fixedly installed at the bottom of the spray tower, a separation cylinder is fixedly installed at the end of the discharge pipe, a filter screen is arranged in the separation cylinder, the discharge pipe is located above the filter screen, a liquid pipe is fixedly installed at the bottom end of the separation cylinder, an air inlet pipe is fixedly installed on the cylinder body of the spray tower, a medicine liquid cylinder is arranged on one side of the spray tower, a suction pump is arranged on one side of the medicine liquid cylinder, the suction pump is connected to the medicine liquid cylinder through the suction pipe, a delivery pipe is fixedly installed at the liquid outlet end of the suction pump, two symmetrical horizontal pipes are fixedly installed on the top pipe body of the delivery pipe, a plurality of evenly distributed pipes are fixedly installed on the horizontal pipe, a plurality of nozzles are fixedly installed on the bottom of the evenly distributed pipe, and the nozzles are located in the spray tower.

[0009] Preferably, a valve is fixedly installed on the discharge pipe, and an exhaust pipe is fixedly installed on the top of the spray tower.

[0010] Preferably, the filter screen is funnel-shaped, and the bottom of the filter screen is not connected to the outside world.

[0011] Preferably, a support ring is fixedly mounted on the inner wall of the separation cylinder, and a lifting ring is fixedly mounted at the top position of the filter screen, and the lifting ring rests on the upper surface of the support ring.

[0012] Preferably, a top cover is hingedly connected to the top surface of the separation cylinder via a hinge, and two left and right symmetrical handles are fixedly mounted on the top surface of the lifting ring.

[0013] Preferably, an air intake hood is fixedly installed at the end of the air intake pipe, and the air intake hood is located in the spray tower.

[0014] Preferably, two upper and lower symmetrical packing layers are fixedly installed on the inner wall of the spray tower, and the horizontal pipe is located above the corresponding packing layer.

[0015] Preferably, an addition tube is fixedly mounted on the top surface of the medicine liquid cylinder, and a cover plate is hingedly connected to the top surface of the addition tube via a hinge.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The utility model is provided with a spray tower, which can use a suction pump to transport the liquid medicine to the nozzle for spraying, thereby realizing the spraying treatment operation. In addition, the filter screen is provided to realize the solid-liquid separation operation of the discharged solution, thereby achieving the effect of absorbing the tail gas and performing solid-liquid separation on the solution.

[0018] 2, the utility model discloses a lifting ring is supported on the supporting ring, can conveniently carry out the dismounting operation to filter screen, make the subsequent filter screen is taken out and the solid impurity on it is cleaned more smoothly, in addition, through the packing layer that is set, can increase the contact area of tail gas and absorption liquid, improve the absorption efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the explosion structure schematic diagram one of the utility model;

[0021] Figure 3 It is the explosion structure schematic diagram two of the utility model;

[0022] Figure 4 It is the partial structure schematic diagram of the utility model;

[0023] Figure 5 It is the section view of the spray tower of the utility model;

[0024] The meaning of each reference numeral in the drawing is as follows:

[0025] 1, spray tower;10, discharge pipe;11, valve;12, separation cylinder;121, supporting ring;13, top cover;14, liquid pipe;15, lifting ring;151, filter screen;16, handle;17, packing layer;18, exhaust pipe;

[0026] 2, inlet pipe;20, air inlet cover;

[0027] 3, liquid medicine cylinder;30, adding pipe;31, cover plate;32, suction pump;33, suction pipe;34, conveying pipe;35, horizontal pipe;36, uniform distribution pipe;37, nozzle. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] Please refer to Figures 1-5The utility model provides a technical scheme: tail gas absorption device with recovery structure, including spray tower 1, the bottom fixed mounting of spray tower 1 has the discharge pipe 10, the end fixed mounting of discharge pipe 10 has the separation cylinder 12, be provided with filter screen 151 in separation cylinder 12, discharge pipe 10 is located the top of filter screen 151, the bottom fixed mounting of separation cylinder 12 has liquid pipe 14, realizes the solid-liquid separation operation with filter screen 151,

[0030] Specifically, the cylinder of the spray tower 1 is fixedly installed with an air inlet pipe 2, the end of the air inlet pipe 2 is fixedly installed with an air inlet cover 20, the air inlet cover 20 is located in the spray tower 1, and the air inlet pipe 2 is used for air inlet operation, and the air inlet cover 20 can prevent backflow.

[0031] Specifically, one side of the spray tower 1 is provided with a liquid medicine cylinder 3, one side of the liquid medicine cylinder 3 is provided with a suction pump 32, the suction pump 32 is communicated with the liquid medicine cylinder 3 through a suction pipe 33, the outlet end of the suction pump 32 is fixedly installed with a conveying pipe 34, the top pipe body of the conveying pipe 34 is fixedly installed with two horizontal pipes 35 which are symmetrical to each other, a plurality of uniform distribution pipes 36 which are arranged at equal intervals are fixedly installed on the horizontal pipes 35, a plurality of nozzles 37 are fixedly installed on the bottom of the uniform distribution pipes 36, the nozzles 37 are located in the spray tower 1, the liquid medicine is conveyed to the nozzles 37 by the suction pump 32 and sprayed out, the tail gas is absorbed and treated, the recovered isopropyl alcohol-water mixed solution can be used for the subsequent isopropyl alcohol aluminum hydrolysis stage, the recycling of resources is realized, and the production cost is reduced.

[0032] In the embodiment, the valve 11 is fixedly installed on the discharge pipe 10, the liquid outlet amount can be controlled by the valve 11, the top of the spray tower 1 is fixedly installed with an exhaust pipe 18, and the gas can be discharged outward along the exhaust pipe 18.

[0033] Specifically, the filter screen 151 is in the shape of a funnel, the bottom of the filter screen 151 is not communicated with the outside, the filtering area of the filter screen 151 is increased, and the filtering operation is more smooth.

[0034] Further, the support ring 121 is fixedly installed on the inner wall of the separation cylinder 12, the lifting ring 15 is fixedly installed at the top position of the filter screen 151, the lifting ring 15 abuts on the upper surface of the support ring 121, the top cover 13 is hinged on the top surface of the separation cylinder 12 through a hinge, and the top cover 13 is used for dustproof protection operation; the top surface of the lifting ring 15 is fixedly installed with two handle bars 16 which are symmetrical to each other, so that the filter screen 151 can be taken out, and the impurities on the filter screen 151 can be cleaned.

[0035] In addition, two symmetrical packing layers 17 are fixedly installed on the inner wall of the spray tower 1, and the horizontal pipe 35 is located above the corresponding packing layer 17. The packing layer 17 can be made of microporous filter mesh material to increase the contact area between the exhaust gas and the absorption liquid and improve the absorption efficiency.

[0036] It is worth noting that an addition tube 30 is fixedly mounted on the top surface of the medicine liquid cylinder 3 , and a cover plate 31 is hinged on the top surface of the addition tube 30 via a hinge, so that medicine liquid can be added into the medicine liquid cylinder 3 .

[0037] When the tail gas absorption device with a recovery structure of the present invention is in use, the medicine liquid is added into the medicine liquid cylinder 3, the air inlet pipe 2 is connected to the external tail gas inlet pipe, the suction pump 32 is connected to the external power supply and is made to work, and the suction pump 32 works to transport the medicine liquid in the medicine liquid cylinder 3 to the nozzle 37 for spraying, thereby realizing the treatment operation of the tail gas in the spray tower 1, and the treated mixed solution is discharged into the separation cylinder 12 along the discharge pipe 10 and filtered through the filter screen 151, impurities are blocked on the filter screen 151, and the solution is discharged outward along the liquid pipe 14.

[0038] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A tail gas absorption device with a recovery structure, comprising a spray tower (1), characterized in that: A discharge pipe (10) is fixedly mounted on the bottom of the spray tower (1), a separation cylinder (12) is fixedly mounted on the end of the discharge pipe (10), a filter screen (151) is arranged inside the separation cylinder (12), the discharge pipe (10) is located above the filter screen (151), a liquid pipe (14) is fixedly mounted on the bottom end of the separation cylinder (12), an air inlet pipe (2) is fixedly mounted on the cylinder body of the spray tower (1), a liquid medicine cylinder (3) is arranged on one side of the spray tower (1), and a liquid medicine cylinder (3) is arranged on one side. A suction pump (32) is connected to the liquid medicine cylinder (3) through a suction pipe (33); a delivery pipe (34) is fixedly installed at the liquid outlet end of the suction pump (32); two upper and lower symmetrical horizontal pipes (35) are fixedly installed on the top pipe body of the delivery pipe (34); a plurality of uniformly distributed pipes (36) arranged at equal intervals are fixedly installed on the horizontal pipe (35); a plurality of nozzles (37) are fixedly installed at the bottom of the uniformly distributed pipe (36); and the nozzles (37) are located in the spray tower (1).

2. The tail gas absorption device with a recovery structure according to claim 1, characterized in that: A valve (11) is fixedly mounted on the discharge pipe (10), and an exhaust pipe (18) is fixedly mounted on the top of the spray tower (1).

3. The tail gas absorption device with a recovery structure according to claim 1, characterized in that: The filter screen (151) is funnel-shaped, and the bottom of the filter screen (151) is not connected to the outside world.

4. The tail gas absorption device with a recovery structure according to claim 1, characterized in that: A support ring (121) is fixedly mounted on the inner wall of the separation cylinder (12), and a lifting ring (15) is fixedly mounted at the top of the filter screen (151), wherein the lifting ring (15) rests on the upper surface of the support ring (121).

5. The tail gas absorption device with a recovery structure according to claim 4, characterized in that: A top cover (13) is hingedly connected to the top surface of the separation cylinder (12), and two mutually symmetrical left and right handles (16) are fixedly mounted on the top surface of the lifting ring (15).

6. The tail gas absorption device with a recovery structure according to claim 1, characterized in that: An air intake hood (20) is fixedly mounted on the end of the air intake pipe (2), and the air intake hood (20) is located inside the spray tower (1).

7. The tail gas absorption device with a recovery structure according to claim 5, characterized in that: Two upper and lower symmetrical packing layers (17) are fixedly mounted on the inner wall of the spray tower (1), and the horizontal pipe (35) is located above the corresponding packing layer (17).

8. The tail gas absorption device with a recovery structure according to claim 1, characterized in that: An addition tube (30) is fixedly mounted on the top surface of the medicine liquid cylinder (3), and a cover plate (31) is hingedly connected to the top surface of the addition tube (30) via a hinge.

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