CN218590139U

CN218590139U - Spray tower and spray system for waste gas treatment

Info

Publication number: CN218590139U
Application number: CN202222973234.7U
Authority: CN
Inventors: 陶俊杰; 陶惠新
Original assignee: Zhangjiagang Feihang Technology Co ltd
Current assignee: Zhangjiagang Feihang Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-10
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a spray column and spraying system for exhaust-gas treatment, including the tower body that has the cavity, the lower extreme of tower body is provided with the waste gas entry, the top of tower body is provided with exhaust outlet, the lower extreme outside of tower body is provided with rather than communicating water tank, be provided with in the inner chamber of tower body and remove the fog layer, spray layer and hollow sphere layer, it sets up to remove the fog layer the well upper portion of tower body, the below that removes the fog layer has set gradually sprays layer and hollow sphere layer, it is provided with the multiunit to spray layer and hollow sphere layer mutual interval, and the clean shot layer bottom of the bottom separates the neighboring of net and is provided with the water conservancy diversion spare, the water conservancy diversion spare with the inner wall of tower body contacts, the bottom of water conservancy diversion spare is connected with the drainage net. The spray tower is simple in structure, high in purification efficiency and high in practicability.

Description

A spray column and spraying system for exhaust-gas treatment

Technical Field

The utility model relates to an exhaust-gas treatment technical field especially relates to a spray column and spraying system for exhaust-gas treatment.

Background

The waste gas treatment is also called waste gas purification, and the waste gas treatment mainly refers to the work of pretreating waste gas generated in industrial places and factory workshops before the waste gas is discharged to the outside so as to reach the national standard of waste gas discharge to the outside.

Waste gas spray tower is one of the equipment of purification waste gas, however current waste gas spray tower equipment can not spray comprehensively to the waste gas in the spray tower to lead to the spray tower can not carry out effective purification treatment to waste gas, make the waste gas that discharges out not reach qualified emission standard, can cause the pollution to the atmospheric environment equally, be unfavorable for the protection to the atmospheric environment, thereby cause current waste gas spray tower equipment purifying effect poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of prior art, provide a spray column for exhaust-gas treatment.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a spray column for exhaust-gas treatment, is including the tower body that has the cavity, the lower extreme of tower body is provided with the waste gas entry, the top of tower body is provided with exhaust outlet, the lower extreme outside of tower body is provided with rather than communicating water tank, be provided with in the inner chamber of tower body and remove fog layer, spray layer and hollow sphere layer, it sets up to remove fog layer the well upper portion of tower body, the below that removes fog layer has set gradually and has sprayed layer and hollow sphere layer, it is provided with the multiunit to spray layer and hollow sphere layer mutual interval, and the hollow sphere layer bottom of bottom separates the neighboring of net and is provided with water conservancy diversion spare, the water conservancy diversion spare with the inner wall of tower body contacts, the bottom of water conservancy diversion spare is connected with the drainage net.

In a specific embodiment, the openings of the drainage net are irregular.

As a specific implementation mode, the water conservancy diversion spare is inverted circular truncated cone-shaped guide plate, the upper end welding of guide plate in on the inside wall of tower body, the lower extreme with the drainage net links to each other.

As a specific implementation manner, an overflow port communicated with the water tank is formed in the side wall of the lower end of the tower body, and the installation height of the overflow port is lower than that of the waste gas inlet.

In a specific embodiment, the spraying layer and the hollow sphere layer are two layers, the bottom and the top of each hollow sphere layer are provided with a separation net, and the particle size of the hollow sphere in the upper hollow sphere layer is smaller than that of the hollow sphere in the lower hollow sphere layer.

As a specific implementation mode, a water pump is arranged at the top of the water tank, and a liquid outlet pipe of the water pump is connected with a spraying pipe of the spraying layer.

The utility model provides a spraying system for exhaust-gas treatment, includes a plurality of spray column that are used for exhaust-gas treatment, and is a plurality of spray column links to each other in proper order, and the waste gas export of preceding spray column is linked together with the waste gas entry of following spray column.

As a specific implementation mode, the number of the spray towers is three, namely a first-stage recovery tower, a second-stage recovery tower and a third-stage recovery tower which are connected in sequence, the diameters of the three spray towers are gradually decreased, and a chimney is arranged at the top of the third-stage recovery tower.

Compared with the prior art, the utility model discloses a beneficial technological effect: set up the multilayer in the spray column and spray layer and multi-layer hollow ball layer, adsorb some impurity in with waste gas through hollow ball layer, through spraying the layer, dissolve harmful gas in the waste gas in the aquatic like formaldehyde, and with some impurity of adsorbing on the clean shot wash and subside, then through the bottom of drainage net drainage to tower body down, flow into the water tank through the overflow mouth, adopt this mode of setting up to increase the dissolved quantity of harmful gas in aquatic as far as, a plurality of spray column use in combination, the purification efficiency of waste gas has been improved, make the purge gas that discharges in the air reach emission standard.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a schematic view of an internal structure of a spray tower for waste gas treatment according to the present invention;

fig. 2 is a schematic structural view of the spraying system of the present invention;

wherein: 1. a tower body; 2. an exhaust gas inlet; 3. an exhaust gas outlet; 4. a water tank; 5. a demisting layer; 6. a spray layer; 7. a hollow sphere layer; 8. a flow guide member; 9. a drainage network; 10. an overflow port; 11. a water pump; 12. a primary recovery tower; 13. a secondary recovery tower; 14. a third stage recovery tower; 15. and (4) a chimney.

Detailed Description

The technical solution of the present invention is further described by the specific embodiments in conjunction with fig. 1 and 2.

There is provided a spray system for exhaust gas treatment, which comprises a plurality of spray towers for exhaust gas treatment, the plurality of spray towers being connected in series, and an exhaust gas outlet 3 of the former spray tower being communicated with an exhaust gas inlet 2 of the latter spray tower.

In this example, there are three spray towers, which are a first-stage recovery tower 12, a second-stage recovery tower 13 and a third-stage recovery tower 14 connected in sequence, the diameters of the three spray towers decrease progressively in sequence, and a chimney 15 is arranged at the top of the third-stage recovery tower 14.

Every spray column all includes the tower body 1 that has the cavity, the lower extreme of tower body 1 is provided with waste gas entry 2, the top of tower body 1 is provided with exhaust outlet 3, the lower extreme outside of tower body 1 is provided with rather than communicating water tank 4, be provided with in the inner chamber of tower body 1 and remove fog layer 5, it is 6 and hollow sphere layer 7 to spray the layer, it sets up in the well upper portion of tower body 1 to remove fog layer 5, it has spray layer 6 and hollow sphere layer 7 to remove the below of fog layer 5 in proper order, it has the multiunit to spray layer 6 and hollow sphere layer 7 each other to separate, the hollow sphere layer 7 bottom at the bottom separates the neighboring of net and is provided with water conservancy diversion spare 8, water conservancy diversion spare 8 contacts with the inner wall of tower body 1, the bottom of water conservancy diversion spare 8 is connected with drainage net 9.

Here, a water pump 11 is arranged on the top of the water tank 4, and a liquid outlet pipe of the water pump 11 is connected with a spraying pipe of the spraying layer 6. Carry the shower in the layer 6 of spraying through water pump 11 with the water in the water tank 4, drench waste gas through the shower, make harmful gas in the waste gas dissolve in the aquatic like formaldehyde, in the rising process of waste gas, the clean shot in the hollow ball layer 7 adsorbs the foreign particles in the waste gas, and be located the top of hollow ball layer 7 because of spraying layer 6, the steam that the shower sprays also can erode the adsorbed impurity of hollow ball layer 7 simultaneously, the area of contact of hollow ball surface and waste gas has also been increased simultaneously, improve harmful gas's dissolving amount.

When the water droplet that sprays layer 6 after spraying drips, through drainage net 9, stops on drainage net 9, has prolonged the contact time of waste gas with water, makes harmful gas's dissolved volume further promote, simultaneously through setting up water conservancy diversion spare 8, makes the water droplet on the 1 inside wall of tower body along water conservancy diversion spare 8 water conservancy diversion to drainage net 9 on. Specifically, the water conservancy diversion spare 8 here is the reverse circular truncated cone-shaped guide plate, and the upper end welding of guide plate is on the inside wall of tower body 1, and the lower extreme links to each other with drainage net 9. In order to increase the contact area with water vapor, the mesh of the drainage net 9 is irregular. The middle of the drainage net 9 is low and all around high, and the drainage net 9 is also provided with drainage wires, so that the contact time of waste gas and water is prolonged by arranging the drainage wires, and the dissolving amount of harmful gas is increased.

In addition, in order to improve the working efficiency, two layers are arranged on the spraying layer 6 and the hollow ball layer 7, the bottom and the top of each hollow ball layer 7 are provided with separation nets, and the particle size of the hollow ball in the upper hollow ball layer 7 is smaller than that of the hollow ball in the lower hollow ball layer 7. Through the aforesaid setting, can improve the adsorption capacity of hollow sphere layer 7 to the foreign particles of different particle diameters in the waste gas, the net that separates of hollow sphere layer 7 bottom plays the effect of support, and the net that separates at top plays the effect of restriction clean shot.

In addition, an overflow port 10 communicated with the water tank 4 is formed in the side wall of the lower end of the tower body 1, and the installation height of the overflow port 10 is lower than that of the waste gas inlet 2. Through setting up overflow mouth 10, make the water that contains harmful gas received in tower body 1 bottom spray through manifold cycles, discharge after making the harmful gas content in aquatic reach a definite value, change new circulating water, and the sewage after the emission carries out further purification or processing again.

Here, the spraying system is provided with three spraying towers, and the diameters of tower bodies 1 of the three spraying towers are set to be sequentially reduced according to the condition that the content of harmful gas in the waste gas is gradually reduced, so that the occupied space of the spraying system is reduced on the premise of ensuring qualified purification.

The working process of the utility model is as follows:

firstly, according to the diagram 1-2, connecting the waste gas inlet 2 of the spray tower system to the waste gas generating equipment, starting the corresponding water pump 11, and starting each spray layer 6 to spray water to the corresponding hollow sphere layer 7;

waste gas firstly enters the inside of the first-stage recovery tower 12, and sequentially passes through the diversion net 9, the hollow sphere layer 7 and the spraying layer 6, impurities in the waste gas can be adsorbed, harmful gas can be dissolved, fog in the waste gas flows down through the defogging layer 5 at the upper end in an isolated manner, relatively dry waste gas sequentially passes through the second-stage recovery tower 13 and the third-stage recovery tower 14, and is repeatedly purified, and gas reaching the emission standard is discharged from the chimney 15 at the top of the third-stage recovery tower 14.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a spray column for exhaust-gas treatment, a serial communication port, including tower body (1) that has the cavity, the lower extreme of tower body (1) is provided with waste gas entry (2), the top of tower body (1) is provided with exhaust outlet (3), the lower extreme outside of tower body (1) is provided with rather than communicating water tank (4), be provided with in the inner chamber of tower body (1) except that fog layer (5), spray layer (6) and hollow sphere layer (7), it sets up to remove the fog layer the well upper portion of tower body (1), the below that removes fog layer (5) has set gradually and has sprayed layer (6) and hollow sphere layer (7), it is provided with the multiunit to spray layer (6) and hollow sphere layer (7) each other at an interval, and the hollow sphere layer (7) bottom at the bottom separates the neighboring of net and be provided with water conservancy diversion spare (8), water conservancy diversion spare (8) with the inner wall of tower body (1) contacts, the bottom of water conservancy diversion spare (8) is connected with water conservancy diversion net (9).

2. The spray tower for the treatment of exhaust gases according to claim 1, characterized in that the meshes of the channelling net (9) are irregular.

3. The spray tower for the treatment of exhaust gas according to claim 1, wherein the flow guide member (8) is an inverted truncated cone-shaped flow guide plate, the upper end of the flow guide plate is welded on the inner side wall of the tower body (1), and the lower end of the flow guide plate is connected with the flow guide net (9).

4. The spray tower for the waste gas treatment according to claim 1, wherein an overflow port (10) communicated with the water tank (4) is formed in a side wall of the lower end of the tower body (1), and the installation height of the overflow port (10) is lower than that of the waste gas inlet (2).

5. The spray tower for the treatment of exhaust gas according to claim 1, wherein the spray layer (6) and the hollow sphere layer (7) have two layers, the bottom and the top of each hollow sphere layer (7) are provided with a separation net, and the particle size of the hollow sphere in the upper hollow sphere layer is smaller than that in the lower hollow sphere layer.

6. Spray tower for exhaust gas treatment according to claim 1, characterized in that a water pump (11) is arranged on top of the water tank (4), and the outlet pipe of the water pump (11) is connected to the spray pipes of the spray layer (6).

7. A spray system for the treatment of exhaust gases, characterized in that it comprises a plurality of spray towers for the treatment of exhaust gases according to any one of claims 1 to 6, connected in series, the exhaust gas outlet (3) of the preceding spray tower being in communication with the exhaust gas inlet (2) of the succeeding spray tower.

8. The spraying system for the waste gas treatment according to claim 7, characterized in that the spraying towers are three, namely a first-stage recovery tower (12), a second-stage recovery tower (13) and a third-stage recovery tower (14) which are connected in sequence, the diameters of the tower bodies of the three spraying towers are gradually reduced, and the top of the third-stage recovery tower (14) is also provided with a chimney (15).