CN210751981U

CN210751981U - Wet-type self-circulation exhaust gas purification device

Info

Publication number: CN210751981U
Application number: CN201921520090.1U
Authority: CN
Inventors: 金贺鑫; 房群
Original assignee: Qingdao Changji Environmental Protection Equipment Co ltd
Current assignee: Qingdao Changji Environmental Protection Equipment Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-06-16
Anticipated expiration: 2029-09-11

Abstract

The utility model provides a wet-type self-circulation waste gas purification device, which comprises a box body with a gas outlet arranged at the top, the lower part of the box body is provided with gas inlets and sewage outlets which are arranged at intervals, a transverse spray pipe is fixedly arranged inside the box body, a water pump communicated with the spray pipe is arranged outside the box body, a first water inlet pipe is communicated and arranged on the water pump, one side of the lower part of the box body is communicated and arranged with a water outlet pipe, the water outlet pipe is communicated with the first water inlet pipe, the head end of the spray pipe is closed, the body of the spray pipe is positioned above the gas inlets, the bottom of the spray pipe is communicated and arranged with a plurality of evenly distributed atomizing nozzles, a foam remover is arranged above the spray pipe, the periphery of the foam remover is attached to the inner surface of the box body and is fixedly connected with the box body, a second, therefore, the utility model has the advantages of save the used water yield that sprays of purification waste gas.

Description

Wet-type self-circulation exhaust gas purification device

Technical Field

The utility model belongs to the technical field of exhaust-gas purification, in particular to wet-type self-loopa exhaust gas purification device.

Background

At present, waste gas refers to toxic and harmful gas discharged by human beings in the production and living processes, particularly, the amount of waste gas discharged by production plants and the like is large, the smell of the discharged waste gas is large, the content of smoke dust in the waste gas is high, the environment is polluted, the human health is influenced, the gas and dust pollution is an important source of air pollution and also a source of urban haze, therefore, in order to purify the waste gas, people research a waste gas purification device to purify most harmful substances or dust in the waste gas, most of manufacturers adopt wet purifiers at present, the purifiers usually adopt a spraying mode to purify the dust contained in the waste gas, and can carry out sedimentation treatment on the dust contained in the waste gas with high efficiency.

However, the existing wet-type purifier directly takes water from the outside and directly sprays the water out to contact with the waste gas through a spray head on a spray device in the box body, and when the dust contained in the waste gas is removed in a spray mode, the sprayed water is combined with the dust in the waste gas to generate mixed liquid to be directly discharged, so that the spray water consumption for spraying in the prior art is large, the recycling rate of the generated sewage is low, and the wet-type self-circulation waste gas purification device is provided for solving the problems of large spray water consumption and low recycling rate of the sewage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wet-type self-loopa exhaust gas purification device has solved among the prior art the problem that the water consumption is great, sewage cycle utilization is low.

The technical scheme of the utility model is realized like this: the utility model provides a wet-type self-loopa exhaust gas purification device, be provided with the box of gas outlet including the top, the box lower part is provided with interval arrangement's air inlet and drain, the inside fixed horizontal spray pipe that is provided with of box, the box outside is provided with the water pump with the spray pipe intercommunication, the intercommunication is provided with first inlet tube on the water pump, one side intercommunication of box lower part is provided with the outlet pipe, outlet pipe and first inlet tube intercommunication, the spray pipe head end seals and the spray pipe body is located the air inlet top, spray pipe bottom intercommunication is provided with a plurality of evenly distributed's atomizing nozzle, the spray pipe top is provided with the demister, the internal surface of the peripheral laminating box of demister and with box fixed connection, the fixed second inlet tube that is provided with in demister bottom, second inlet tube.

Waste gas enters the box body from the air inlet pipe, the water pump pumps water from the first water inlet pipe and transfers the water to the water spray pipe, water is converted into water mist through the atomizing nozzle and is sprayed out in the box body, the waste gas rises upwards in the box body, atomized water sinks downwards, so that dust in the waste gas is combined with the water mist and becomes sewage to be deposited at the bottom of the box body, the water flow is completely atomized through the atomizing nozzle, the water is converted into a non-liquid form after being atomized and is combined with dust in the waste gas, the water consumption for spraying is reduced, but the exchange area of the waste gas and the atomized water is enlarged, so that the water mist can fully absorb and purify the dust in the waste gas, the purified waste gas continuously rises to reach the demister, the water mist in the waste gas is blocked at the lower surface of the demister, clean gas is discharged into the air from the top of the box body, and part of impurities are gathered on the lower surface of the, the second water inlet pipe can be connected with a water pipe of an external water source, water is injected into the second water inlet pipe, the water is sprayed to the lower surface of the demister from the spray head, impurities on the lower surface of the demister are washed away, and the water is changed into sewage and falls into the bottom of the box body; because the sewage that falls inside the box is the mixture of dust and water, consequently sewage can divide into lower part sediment and upper portion clear water, and the sediment is discharged from the drain, and the clear water is passed on to the spray pipe through the water pump and continues to use, realizes sewage cyclic utilization.

As a preferred embodiment, two spray pipes are arranged from top to bottom in a clearance and are both communicated with the water pump, wherein the atomizing nozzles at the bottom of the upper spray pipe and the atomizing nozzles at the bottom of the lower spray pipe are staggered, so that the waste gas entering the box body can be more fully purified, and the dust in the waste gas can be effectively removed.

As a preferred embodiment, the head end of the second water inlet pipe is closed, the tail end of the second water inlet pipe penetrates out of the box body, the tail end of the second water inlet pipe is provided with the first water valve, the working time of the second water inlet pipe can be controlled manually according to needs, and water sources are saved conveniently.

As a preferred implementation mode, a second water valve and a third water valve are respectively arranged on the water outlet pipe and the first water inlet pipe, the second water valve and the third water valve are independently opened, a valve is arranged at the sewage discharge port, the opening and closing of the valve can be manually controlled, the water level of sewage during discharge is controlled, the sewage is prevented from entering the water outlet pipe, the second water valve and the third water valve work independently, a water pump can be selected to take water from the interior of the box body or directly from an external water source, and the water quality entering the interior of the water spray pipe is convenient to control.

As a preferred embodiment, the height of the position of the water outlet pipe is between the bottom of the air inlet and the top of the sewage draining exit, so that the sewage is prevented from being accumulated and flowing back to the outside of the box body from the air inlet after falling into the box body.

As a preferred embodiment, the gap is provided with two from top to bottom for the demister, and the second inlet tube is provided with two and is located top demister bottom and below demister bottom respectively, is convenient for clean demister lower surface.

As a preferred embodiment, a third water inlet pipe is arranged between the two demister arranged in a gap, a spray head is arranged at the bottom of the third water inlet pipe, the head end of the third water inlet pipe is closed, and the tail end of the third water inlet pipe penetrates out of the box body, so that the surface of the demister below can be cleaned more thoroughly.

As a preferred embodiment, the box includes integrated into one piece's first body and second body, and first body sets up to the cylinder type, and the second body sets up to the round platform type, and first body and second body intercommunication, the diameter of first body is the same with second body bottom diameter, and the gas outlet sets up on the second body, is convenient for reduce exhaust backpressure, avoids the inside atmospheric pressure of box too high.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. the atomizing nozzle is adopted to completely atomize the water flow from the water spray pipe, so that the gas-liquid exchange area between the atomized water flow and the waste gas is increased, and the absorption and purification of the waste gas are more sufficient;

2. the width of the top of the purifying box body is smaller than that of the bottom of the purifying box body, and the circular tangential design between the first body and the second body can greatly reduce exhaust back pressure;

3. by adopting the recyclable design, the water is saved, the secondary pollution is reduced, and the purposes of energy conservation and emission reduction are achieved;

4. the layered spraying is arranged in the box body, and the foam remover is arranged at the top end of the box body, so that the spraying and washing effects are more obvious.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1-box; 2-a water pump; 11-gas outlet; 12-an air inlet; 13-a sewage draining outlet; 14-a water spray pipe; 15-water outlet pipe; 16-a demister; 17-a second water inlet pipe; 18-a first body; 19-a second body; 21-a first water inlet pipe; 131-a valve; 141-an atomizing nozzle; 151-a second water valve; 171-a spray head; 172-third water inlet pipe; 211-a third water valve; 1711-first water valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, a wet-type self-circulation exhaust gas purification device, a box 1 with an air outlet 11 is provided at the top, an air inlet 12 and a sewage outlet 13 are provided at the lower part of the box 1, a horizontal spray pipe 14 is fixedly provided inside the box 1, a water pump 2 communicated with the spray pipe 14 is provided outside the box 1, a first water inlet pipe 21 is provided on the water pump 2, a water outlet pipe 15 is provided on one side of the lower part of the box 1, the water outlet pipe 15 is communicated with the first water inlet pipe 21, the head end of the spray pipe 14 is closed, the body of the spray pipe 14 is positioned above the air inlet 12, a plurality of uniformly distributed atomizing nozzles 141 are provided on the bottom of the spray pipe 14, a foam remover 16 is provided above the spray pipe 14, the periphery of the foam remover 16 is attached to the inner surface of the box 1 and is fixedly connected with the box 1, a second water inlet pipe 17 is.

Waste gas enters the box body 1 from the air inlet pipe, the water pump 2 pumps water from the first water inlet pipe 21 and transmits the water to the spray pipe 14, water is converted into water mist through the atomizing nozzle 141 and is sprayed out in the box body 1, the atomized water sinks downwards due to the fact that the waste gas ascends in the box body 1, dust in the waste gas is combined with the water mist and then becomes sewage to be deposited at the bottom of the box body 1, the water flow is completely atomized after passing through the atomizing nozzle 141, the water is converted into a non-liquid form after being atomized and is combined with the dust in the waste gas, spraying water consumption is reduced, but the exchange area of the waste gas and the atomized water is enlarged, therefore, the water mist can fully absorb and purify the dust in the waste gas, the purified waste gas continuously ascends to the demister 16, the water mist in the waste gas is blocked on the lower surface of the demister 16, and clean gas is discharged into the air from the top of the, after the waste gas is purified for a long time, part of impurities are gathered on the lower surface of the demister 16, the second water inlet pipe 17 can be connected with a water pipe of an external water source, water is injected into the second water inlet pipe 17, the water is sprayed to the lower surface of the demister 16 from the spray head 171, the impurities on the lower surface of the demister 16 are washed away, and the impurities become sewage and fall into the bottom of the box body 1; because the sewage falling into the box body 1 is a mixture of dust and water, the sewage can be divided into lower sediment and upper clear water, the sediment is discharged from the sewage discharge outlet 13, and the clear water is transmitted to the spray pipe 14 through the water pump 2 for continuous use, so that the sewage can be recycled.

The spray pipes 14 are provided with two gaps from top to bottom and are communicated with the water pump 2, wherein the atomizing nozzles 141 at the bottom of the spray pipes 14 above and the atomizing nozzles 141 at the bottom of the spray pipes 14 below are arranged in a staggered manner, so that the waste gas entering the box body 1 can be more sufficiently purified, and the dust in the waste gas can be effectively removed. The head end of the second water inlet pipe 17 is closed, and the tail end of the second water inlet pipe 17 penetrates out of the box body 1, the tail end of the second water inlet pipe 17 is provided with a first water valve 1711, the working time of water flow in the second water pipe can be controlled manually according to needs, and water saving is facilitated. The second water valve 151 and the third water valve 211 are arranged on the water outlet pipe 15 and the first water inlet pipe 21 respectively, the second water valve 151 and the third water valve 211 are independently opened, the valve 131 is arranged at the sewage discharge outlet 13, the opening and closing of the valve 131 can be controlled manually, the water level of the sewage during discharge is controlled, the sewage is prevented from overflowing and entering the water outlet pipe 15, the second water valve 151 and the third water valve 211 work independently, the water pump 2 can be selected to take water from the inside of the box body 1 or directly from an external water source, the water quality entering the inside of the water spray pipe 14 is convenient to control, a filter pressing device is arranged at the water outlet pipe 15, the liquid flowing through the water outlet pipe 15 can be subjected to filter pressing treatment, and clean water flows into the water spray pipe 14 from.

The water outlet pipe 15 is positioned at a height between the bottom of the air inlet 12 and the top of the sewage discharge outlet 13, so that the sewage is prevented from being accumulated and flowing back to the outside of the box body 1 from the air inlet 12 after falling into the box body 1. The demister 16 is provided with two from the top down clearance, and the second inlet tube 17 is provided with two and is located 16 bottoms of top demister and 16 bottoms of below demister respectively, is convenient for clean 16 lower surfaces of demister. Be provided with third inlet tube 172 between two demister 16 that the clearance set up, third inlet tube 172 bottom is provided with shower nozzle 171, and the setting of box 1 is worn out to the closed and tail end of third inlet tube 172 head end, is convenient for carry out comparatively thorough cleanness to demister 16 surface of below. The box 1 comprises a first body 18 and a second body 19 which are integrally formed, the first body 18 is arranged to be cylindrical, the second body 19 is arranged to be circular table-shaped, the first body 18 is communicated with the second body 19, the diameter of the first body 18 is the same as that of the bottom of the second body 19, and the air outlet 11 is formed in the second body 19, so that exhaust back pressure is reduced conveniently, and the internal air pressure of the box 1 is prevented from being too high.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wet-type self-circulation waste gas purification device is characterized by comprising a box body with an air outlet arranged at the top, the lower part of the box body is provided with air inlets and drain outlets which are arranged at intervals, a transverse water spray pipe is fixedly arranged in the box body, a water pump communicated with the water spray pipe is arranged outside the box body, a first water inlet pipe is communicated with the water pump, a water outlet pipe is communicated with one side of the lower part of the box body and is communicated with the first water inlet pipe, the head end of the spray pipe is closed, the spray pipe body is positioned above the air inlet, the bottom of the spray pipe is communicated with a plurality of evenly distributed atomizing nozzles, a foam remover is arranged above the water spray pipe, the periphery of the foam remover is attached to the inner surface of the box body and is fixedly connected with the box body, the demister bottom is fixedly provided with the second inlet tube, second inlet tube top intercommunication is provided with a plurality of shower nozzles.

2. A wet self-circulating exhaust gas purification device as claimed in claim 1, wherein two of said water spray pipes are arranged from top to bottom and are both connected to the water pump, wherein the atomizing nozzles at the bottom of the upper water spray pipe are staggered with the atomizing nozzles at the bottom of the lower water spray pipe.

3. The wet self-circulation exhaust gas purification device as claimed in claim 1, wherein the second water inlet pipe is closed at a head end and provided at a tail end thereof through the tank body, and the second water inlet pipe is provided at a tail end thereof with a first water valve.

4. The wet self-circulating exhaust gas purification device of claim 1, wherein the water outlet pipe and the first water inlet pipe are respectively provided with a second water valve and a third water valve, the second water valve and the third water valve are independently opened, and the sewage outlet is provided with a valve.

5. A wet self-circulating exhaust gas cleaning device according to claim 1, wherein the outlet pipe is located between the air inlet bottom and the sewage drain top.

6. A wet type self-circulating exhaust gas purifying apparatus as claimed in claim 1, wherein said demister is provided in two in a gap from top to bottom, and said second water inlet pipe is provided in two in an upper demister bottom and a lower demister bottom, respectively.

7. The wet self-circulation exhaust gas purification device as claimed in claim 6, wherein a third water inlet pipe is arranged between the two defoamers arranged in a gap, a spray head is arranged at the bottom of the third water inlet pipe, and the head end of the third water inlet pipe is closed and the tail end of the third water inlet pipe penetrates through the tank body.

8. The wet type self-circulation exhaust gas purification device according to claim 1, wherein the tank body comprises a first body and a second body which are integrally formed, the first body is configured as a cylinder type, the second body is configured as a circular truncated cone type, the first body is communicated with the second body, the diameter of the first body is the same as that of the bottom of the second body, and the gas outlet is formed in the second body.