CN206660890U - It is a kind of can be according to the scrubbing tower of concentration of lye automatic liquid-feeding - Google Patents

Abstract

The utility model relates to a washing tower that can automatically add liquid according to the concentration of lye, comprising a first washing tower and a second washing tower arranged side by side, the first washing tower includes washing liquid, a first air inlet pipe, an air diffuser, The primary spray nozzle, the packing layer, the spray device, the wire mesh eliminator arranged above the spray device, the first air outlet and the circulation pump arranged above the wire mesh eliminator, the first automatic liquid filling The device includes a PH meter arranged on the water inlet of the circulating pump, a liquid level sensor arranged below the liquid level of the washing liquid in the tower body, and a liquid inlet and a water inlet arranged on the side walls of the first washing tower and the second washing tower; The lye washing tower adopts the two-stage washing method, and the washing effect is good. The washing tower is equipped with an automatic liquid addition device. When the pH or concentration of the tower body is too low, the liquid addition pump is used to control the liquid addition pump to add washing liquid to the tower body. , to ensure the washing effect.

Description

A washing tower that can automatically add liquid according to the concentration of lye

technical field

The utility model belongs to the field of waste gas treatment, in particular to a washing tower which can automatically add liquid according to the concentration of lye.

Background technique

At present, there are many methods suitable for odor gas treatment, mainly including the following methods, such as spray absorption method, activated carbon adsorption method, plant extract and ion deodorization method, but the most economical and practical one is spray deodorization technology. The pollutants in the exhaust gas are absorbed by chemical agents (mainly lye), the treatment effect is good, and the operation is stable, but the washing liquid of some existing lye washing towers is not in sufficient contact with the exhaust gas, and the washing effect is not ideal. not enough.

Utility model content

The technical problem to be solved by the utility model is to provide a scrubbing tower with full contact between exhaust gas and scrubbing liquid, good scrubbing effect and automatic fluid addition function.

The technical solution adopted by the utility model is: a washing tower that can automatically add liquid according to the concentration of lye, which includes a first washing tower and a second washing tower arranged side by side, and the first washing tower includes The washing liquid at the bottom, the first air inlet pipe arranged above the washing liquid, the air diffuser connected to the air inlet pipe, the first-stage spray nozzle arranged above the air diffuser, and the packing layer arranged above the first-stage spray nozzle , the spray device arranged above the packing layer, the wire mesh eliminator arranged above the spray device, the first air outlet and the circulating pump arranged above the wire mesh eliminator; one end of the circulating pump is connected to the washing liquid connected, and the other end communicates with the primary spray nozzle and spray device.

The first automatic liquid addition device includes a PH meter arranged on the water inlet of the circulating pump, a liquid level sensor arranged below the liquid level of the washing liquid in the tower body, and a liquid level sensor arranged on the side walls of the first washing tower and the second washing tower. Liquid inlet and water inlet.

The second washing tower includes washing liquid arranged at the bottom of the tower body, a second diffuser arranged below the liquid level of the washing liquid and connected to the second air inlet, a second stage spraying device arranged above the washing liquid The shower nozzle, the second packing layer arranged above the second-level spray nozzle, the second spray device arranged above the second packing layer, and the second wire mesh eliminator arranged above the second spray device , the second air outlet and the second circulation pump arranged above the second wire mesh eliminator, one end of the second circulation pump communicates with the washing liquid in the second washing tower, and the other end communicates with the second stage spraying The nozzle communicates with the second spray device, and the second air inlet communicates with the first air outlet.

The air diffuser includes a substrate and exhaust holes arranged on the substrate, the exhaust holes are evenly arranged on the substrate, inner grooves are arranged between the adjacent exhaust holes, and the inner grooves The bottom is provided with drainage holes; the structure of the second air diffuser is the same as that of the air diffuser, the exhaust hole of the air diffuser is connected with the first air intake pipe, and the exhaust hole of the second air diffuser is connected with the second air inlet connected.

The primary spray nozzles are evenly arranged on the side wall of the first tower body, and the second primary spray nozzles are evenly arranged on the side wall of the second tower body.

The positive effects of the utility model are: the lye washing tower adopts a two-stage washing method, and the washing effect is good. The lye sprayed by the spiral nozzle fully contacts the surface of the filler, and the remaining pollution factors and small molecular fragments in the odor gas are fully decomposed during the contact process between the lye and the odor gas, so as to achieve the goal of modifying and transforming the odor gas substances. Purpose: A diffuser is installed in the tower body, and the gas entering the tower body is dispersed evenly after being diffused to effectively ensure the washing effect. It can smoothly return to the bottom of the tower body to ensure the recycling of the washing liquid. At the same time, the gas diffuser in the second washing tower is set below the liquid level of the washing liquid, and the released gas directly contacts with the washing liquid. After being discharged from the liquid surface After washing with the washing liquid, the washing effect is greatly improved. The washing tower is equipped with an automatic liquid adding device. When the pH or concentration of the washing tower body is too low, the detector is used to control the liquid adding pump to add washing liquid to the tower body. Water is added to the tower body, and the pH or concentration of the washing liquid in the tower body can be guaranteed through the automatic liquid adding device to ensure the washing effect.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the air diffuser of the present invention.

In the accompanying drawings, 1-washing liquid, 2-diffuser, 201-substrate, 202-drainage hole, 203-vent, 204-inner groove, 3-primary spray nozzle, 4-filling layer, 5-spray device, 6-screen demister, 7-first air outlet, 8-first air inlet pipe, 9-circulation pump, 10-second air outlet, 11-second air inlet, 12- Liquid inlet, 13-water inlet, 14-PH meter, 15-liquid level sensor, 16-second level spray nozzle, 17-second packing layer, 18-second spray device, 19-second Wire mesh demister, 20-the second diffuser, 21-the second circulation pump.

detailed description

As shown in accompanying drawings 1 and 2, the utility model comprises a first washing tower and a second washing tower arranged side by side, and the first washing tower includes a washing liquid 1 arranged at the bottom of the tower body, a The first air intake pipe 8, the air diffuser 2 connected with the air intake pipe 8, the primary spray nozzle 3 arranged above the air diffuser 2, the packing layer 4 arranged above the primary spray nozzle 3, the packing layer 4 arranged on the filler The spray device 5 above the layer 4, the wire mesh eliminator 6 arranged above the spray device 5, the first air outlet 7 and the circulation pump 9 arranged above the wire mesh eliminator 6; one end of the circulation pump 9 It communicates with the washing liquid 1, and the other end communicates with the primary spray nozzle 3 and the spray device 5.

The first automatic liquid addition device includes a pH meter 14 arranged on the water inlet of the circulation pump 9, a liquid level sensor 15 arranged below the liquid level of the tower washing liquid 1, and a liquid level sensor 15 arranged in the first washing tower and the second washing tower. Liquid inlet 12 and water inlet 13 on the side wall. The liquid inlet 12 and the water inlet 13 are all connected to the water pump. When the pH concentration of the washing liquid detected by the pH meter 14 is high or reaches the set value, the system operates normally. When the pH value of the washing liquid in the tower is lower than the set value value, the water pump at the liquid inlet 12 starts to work, and high-concentration lye is added in the tower body. When the liquid level consumption in the tower body decreases, the signal is transmitted by the liquid level sensor 15 installed in the tower body, and the water pump at the water inlet 13 works. Water is added to the tower body, and lye is added according to the signal of the pH meter at the same time.

The second washing tower includes a washing liquid 1 arranged at the bottom of the tower body, a second diffuser 20 arranged below the liquid level of the washing liquid 1 and connected to the second air inlet 11, and a second air diffuser 20 arranged above the washing liquid 1. The second level of spray nozzle 16, the second packing layer 17 arranged above the second level of spray nozzle 16, the second spray device 18 arranged above the second packing layer 17, the second spray device 18 arranged on the second spray The second wire mesh eliminator 19 above the device 18, the second air outlet 10 and the second circulation pump 21 arranged on the second wire mesh eliminator 19, one end of the second circulation pump 21 is connected to the second washing tower The washing liquid 1 inside is connected, and the other end is connected with the second-level spray nozzle 16 and the second spray device 18 , and the second air inlet 11 is connected with the first air outlet 7 .

The diffuser 2 includes a substrate 201 and exhaust holes 203 arranged on the substrate 201, the exhaust holes 203 are uniformly arranged on the substrate 201, and inner grooves 204 are arranged between the adjacent exhaust holes 203 , the bottom of the inner groove 204 is provided with a drainage hole 202; the second air diffuser 20 has the same structure as the air diffuser 2, and the exhaust hole 203 arranged in the first washing tower is connected with the first air intake pipe 8 The exhaust hole 203 provided in the second washing tower communicates with the second air inlet 11 .

The primary spray nozzles 3 are evenly arranged on the side wall of the first tower body, and the second primary spray nozzles 16 are evenly arranged on the side wall of the second tower body.

The above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be applied to the foregoing embodiments Modifications are made to the recorded technical solutions, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (4)

1. a kind of can be according to the scrubbing tower of concentration of lye automatic liquid-feeding, it is characterised in that it includes the first scrubbing tower being arranged side by side With the second scrubbing tower, first scrubbing tower includes the cleaning solution for being arranged on tower body bottom（1）, be arranged on cleaning solution（1）Top The first air inlet pipe（8）With air inlet pipe（8）The air diffusion apparatus being connected（2）, be arranged on air diffusion apparatus（2）The one-level spray of top Drench mouth（3）, be arranged on one-level spray nozzle（3）The packing layer of top（4）, be arranged on packing layer（4）The spray equipment of top（5）、 It is arranged on spray equipment（5）The mesh mist eliminator of top（6）, circulating pump（9）, the first automatic liquid feeder and be arranged on silk screen Demister（6）First gas outlet of top（7）；The circulating pump（9）One end and cleaning solution（1）It is connected, the other end and one-level Spray nozzle（3）And spray equipment（5）It is connected；

First automatic liquid feeder includes being arranged on circulating pump（9）PH meters on water inlet（14）, be arranged on tower body washing Liquid（1）Liquid level induction meter below liquid level（15）And it is arranged on the inlet on the first scrubbing tower and the second washing tower side wall （12）And water inlet（13）.

2. it is according to claim 1 it is a kind of can be according to the scrubbing tower of concentration of lye automatic liquid-feeding, it is characterised in that described Two scrubbing towers include the cleaning solution for being arranged on tower body bottom（1）, be arranged on cleaning solution（1）Below liquid level and with the second air inlet （11）The second air diffusion apparatus being connected（20）, be arranged on cleaning solution（1）Second one-level spray nozzle of top（16）, be arranged on Two one-level spray nozzles（16）Second packing layer of top（17）, be arranged on the second packing layer（17）Second spray equipment of top （18）, be arranged on the second spray equipment（18）Second mesh mist eliminator of top（19）, be arranged on the second mesh mist eliminator（19） Second gas outlet of top（10）And second circulation pump（21）, the second circulation pump（21）In one end and the second scrubbing tower Cleaning solution（1）It is connected, the other end and the second one-level spray nozzle（16）With the second spray equipment（18）It is connected, described second enters Gas port（11）With the first gas outlet（7）It is connected.

3. it is according to claim 2 it is a kind of can be according to the scrubbing tower of concentration of lye automatic liquid-feeding, it is characterised in that it is described dissipate Device of air（2）Including substrate（201）And it is arranged on substrate（201）On steam vent（203）, the steam vent（203）Uniformly It is arranged on substrate（201）On, the adjacent vent hole（203）Between be provided with inner groovy（204）, in the inner groovy（204） Bottom be provided with osculum（202）；Second air diffusion apparatus（20）With air diffusion apparatus（2）Structure is identical, air diffusion apparatus（2） Steam vent（203）With the first air inlet pipe（8）It is connected, the second air diffusion apparatus（20）Steam vent（203）With the second air inlet （11）It is connected.

4. it is according to claim 1 or 2 it is a kind of can be according to the scrubbing tower of concentration of lye automatic liquid-feeding, it is characterised in that it is described One-level spray nozzle（3）It is uniformly arranged in the side wall of the first tower body, the second one-level spray nozzle（16）It is uniformly arranged on second In the side wall of tower body.