CN205517152U - Self -circulation cooling absorption tower - Google Patents

Abstract

The utility model belongs to the technical field of hazardous gas treatment equipment, a self -circulation cooling absorption tower is disclosed. Its lower part is tower base, and upper portion is for absorbing the main part, and the tower base top is equipped with the waste gas import, and tower base is last, and its inside is provided with a circulation inner chamber, and the intermediate layer between circulation inner chamber and the tower base exocuticle is the circulation exocoel, bottom and the tower of circulation inner chamber at the bottom of the UNICOM room connect, tower base's periphery is fixed with eight coolers, the top and the circulation exocoel of cooler are connected, the bottom connection of UNICOM room at the bottom of its bottom and the tower, the absorption main part on, set up and be two -stage gas -liquid mass transfer absorptive unit in the below of liquid swirler, here two -stage gas -liquid mass transfer absorptive unit structure is identical, top -down discharges in order. The utility model discloses heat exchange effect is very good, and need not additionally increase power, the energy saving, and the flexibility is strong, and cooling efficiency is high.

Description

Self-loopa cooling absorption tower

Technical field

This utility model belongs to toxic and harmful abatement equipment technical field, is specifically related to a kind of self-loopa cooling Absorption tower.

Background technology

Along with the increasing of national environmental protection pollution treatment dynamics, in technical fields such as chemical industry, medicine, pesticide, biotechnologies, Commonly use packed absorber or spray absorber and poisonous, the harmful gas discharged in production process are carried out nothing Evilization processes.

The absorption overwhelming majority of toxic and harmful belongs to exothermic reaction, all the time, and the absorbing liquid in absorption tower Temperature the most constantly raises, and heat cannot be taken out of again so that assimilation effect drastically declines, can only be with constantly The mode supplementing fresh absorbing liquid is adjusted, and to maintain normal production, is additionally, since the dilutest of absorbing liquid Releasing, concentration cannot improve, cause in technique cannot recycling, waste is serious, if it addition, individually will inhale Receive liquid extraction to cool, not only increase equipment investment, and need to be circulated through circulating pump, to the energy It is a waste the biggest, the most energy-conservation.

In view of tail gas absorption equipment generally exists problem above in the market, as industry technical research people Member, is highly desirable to research and develop and a kind of have good anticorrosive property the plug-in cooling dress of absorbability is greatly improved again The absorption equipment put, can be taken away by cooler in time by liberated heat in toxic and harmful absorption process, The absorption making toxic and harmful runs normal, the most lower.

Utility model content

For overcoming prior art not enough, this utility model provides a kind of self-loopa cooling absorption tower, its structure letter Single, novel in design, absorption efficiency is high.

For realizing above-mentioned technical purpose, this utility model uses below scheme: a kind of self-loopa cools down absorption tower, It is divided into two parts on the whole, and bottom is tower seat, and top is for absorbing main body, and exhaust gas inlet is located at tower seat top； On described tower seat, it is internally provided with a circulation inner chamber, described circulation inner chamber and tower seat outermost top layer it Between interlayer be circulation exocoel, the bottom of circulation exocoel is provided with the outlet of absorbing liquid；Described circulation inner chamber Bottom and the tower bottom sheet room of leading to connect, tower bottom sheet is led to the bottom of room and is provided with the sewage draining exit of and external connection； The periphery of tower seat, is uniformly fixed with eight coolers, the top of described cooler and circulation exocoel around tower seat Connecting, the bottom of cooler and the tower bottom sheet room of leading to connect, and the bottom of cooler and top are respectively arranged with one and enter Fluid valve and one time fluid valve；The top on described self-loopa cooling absorption tower, for absorbing main body, absorbs main body Top be outlet port up to standard, the lower section of outlet port up to standard is centrifugal liquid cyclone；Described Absorption main body on, the lower section being arranged on liquid cyclone is two-stage gas-liquid mass transfer absorptive unit, this two-stage gas-liquid The structure of mass transfer absorptive unit is identical with mechanism, discharges the most in order；Below liquid cyclone, inhale Receive and on the sidewall of main body, be provided with filler import and filler outlet, it is simple to change filler；Absorb the center of main body Being provided with spray thrower, the lower section of spray thrower is PP Pall ring filler, and the top of described PP Pall ring filler sets Having filler compression plate, the bottom of PP Pall ring filler is grid support, is eliminating a wall flow below grid support Fluid collection device；In described absorption main body, below liquid cyclone, self filler import is to PP Pall ring filler The fluid collection device of bottom defines two grades of gas-liquid mass transfer absorptive units；The lower section of two grades of gas-liquid mass transfer absorptive units, with Identically constructed define one-level gas-liquid mass transfer absorptive unit.

At described exhaust gas inlet, its outside is connected to one, corrosive resistant fan by gas pipeline and corrosive resistant fan Connect the toxic and harmful needing to process from outside.

The described spray thrower at main center that absorbs is connected to one by absorbing liquid pipeline with circulation delivery side of pump Body, the import of circulating pump is connected to circulate the absorbing liquid bottom exocoel by absorbing liquid pipeline and exports.

The exhaust gas inlet at described tower seat top extends to circulate the centre of inner chamber.

The beneficial effects of the utility model are: this utility model is by arranging circulation inner chamber and circulation inside tower seat Exocoel, then by arranging multiple cooler outside tower seat, and by cooler and circulation inner chamber and circulation exocoel Connection, forms motive force by the liquid level difference of interior exocoel, under the swabbing action of circulating pump, makes absorbing liquid at tower Form a self circular loop in Zuo, due to the absorbing liquid through subcooler from bottom to top continuously, mild, stable, Flowing reliably, so, heat exchange effect is the best, and need not additionally increase power, saves the energy, it addition, Cooler is imported and exported and is mounted on liquid flowing valve and returns fluid valve, and each cooler is each independent, therefore, On producing, can be adjusted the operation quantity of cooler at any time according to technological requirement, motility is strong, cold But efficiency is high.

Accompanying drawing explanation

Fig. 1 is this utility model main TV structure schematic diagram；

Fig. 2 is the plan structure schematic diagram outside this utility model tower seat；

Fig. 3 is that this utility model absorbing liquid flows to schematic diagram；

In accompanying drawing, 1, tower seat, 11, circulation inner chamber, 12, circulation exocoel, 13, cooler, 14, absorb Liquid exports, 15, sewage draining exit, 16, return fluid valve, 17, liquid flowing valve, 18, tower bottom sheet lead to room, 2, inhale Receive main body, 21, fluid collection device, 22, grid support, 23, replacement mouth, 24, PP Pall ring filler, 25, filler compression plate, 26, filler import, 27, spray thrower, 28, liquid cyclone, 3, corrosive resistant fan, 4, gas pipeline, 5, exhaust gas inlet, 6, outlet port up to standard, 7, circulating pump, 8, absorbing liquid pipeline, 9, one-level gas-liquid mass transfer absorptive unit, 10, two grades of gas-liquid mass transfer absorptive units.

Detailed description of the invention

Referring to shown in figure, a kind of self-loopa cools down absorption tower, and it is divided into two parts on the whole, and bottom is tower seat 1, top is for absorbing main body 2, and tower seat 1 top is exhaust gas inlet 5, and appendix is passed through in the outside of exhaust gas inlet 5 Road 4 and corrosive resistant fan 3 are connected to one, and it is internal that the inner side of exhaust gas inlet 5 extends to circulate inner chamber 11；Institute The circulation inner chamber 11 stated is arranged at the bosom of tower seat 1, described circulation inner chamber 11 and tower seat 1 appearance Interlayer between skin is circulation exocoel 12, and the bottom of circulation exocoel 12 is provided with an absorbing liquid outlet 14；Institute The bottom of the circulation inner chamber 11 stated is that tower bottom sheet leads to room 18, and described tower bottom sheet is led to the bottom of room 18 and is provided with One and the sewage draining exit 15 of external connection；The periphery of tower seat 1, is uniformly fixed with eight coolings around tower seat 1 Device 13, the quantity of cooler 13 increases and decreases also dependent on actual thermal discharge herein, the top of described cooler 13 End and circulation exocoel 12 connect, and the bottom of cooler 13 and tower bottom sheet are led to the bottom of room 18 and connected, cooler The bottom of 13 and top are respectively arranged with a liquid flowing valve 17 and one time fluid valve 16.

The top on described self-loopa cooling absorption tower is for absorbing main body 2, and the top absorbing main body 2 is up to standard useless Gas outlet 6, the lower section of outlet port 6 up to standard is liquid cyclone 28, in described absorption main body 2, The lower section being arranged on liquid cyclone 28 is two-stage gas-liquid mass transfer absorptive unit, and two-stage gas-liquid mass transfer absorbs herein Cellular construction is identical, discharges the most in order, below liquid cyclone 28, absorbs the side of main body 2 It is provided with a filler outlet 23 and a filler entrance 26, the lower section of filler entrance 26 on wall, absorbs main The center of body 2 is provided with a spray thrower 27, and the lower section of spray thrower 27 is PP Pall ring filler 24, institute The top of the PP Pall ring filler 24 stated is filler compression plate 25, and the bottom of PP Pall ring filler 24 is grid Lattice support 22, are fluid collection device 21 below grid support 22；On the sidewall of described absorption main body 2, PP Bao The effect of the filler outlet 23 that your ring filler sections bottom is arranged is the PP Pall ring filler 24 to full impurity When clearing up, by filler outlet 23, PP Pall ring filler 24 is drawn out outside absorption main body 2；Described Absorbing in main body 2, below liquid cyclone 28, self filler mouth 26 to fluid collection device 21 defines two grades of gas-liquids Mass transfer absorptive unit 10；The lower section of two grades of gas-liquid mass transfer absorptive units 10, defines one-level gas with identically constructed Liquid mass transfer absorptive unit 9.

The spray thrower 27 absorbing main body 2 center as above is connected by absorbing liquid pipeline 8 and circulating pump 7 Being connected to one, the import of circulating pump 7 connects the absorbing liquid outlet 14 bottom circulation exocoel 12.

During utility model works, its absorption pattern is that counter-current absorption, i.e. waste gas enter from exhaust gas inlet 5, inhales Receipts liquid is from tower top spray, in tower, the effect of PP Pall ring filler 24 is to increase gas liquid interfacial area；Tower seat 1 is structurally divided into circulation inner chamber 11 and circulation exocoel 12, by arranging multiple cooler outside tower seat 1 13, and the tower bottom sheet bottom cooler 13 and circulation inner chamber 11 is led to room 18 and circulation exocoel 12 connects, Forming a closed circuit by self liquid level difference in tower seat, first the absorbing liquid sprayed from tower top enters follows Ring inner chamber 11, then through tower bottom sheet lead to room 18 enter plug-in cooler 13 after cooling enter circulation exocoel 12, due to circulating pump 7 suction is the liquid circulating exocoel 12, makes circulation exocoel 12 and circulation inner chamber 11 Forming liquid level difference, i.e. circulation inner chamber 11 liquid height and be consistently higher than circulation exocoel 12, such liquid is formed for one Individual self-loopa pattern, reaches purpose absorbing liquid cooled.

This utility model absorbing liquid in subcooler 13 is the most continuous, mild, stable, reliable Flowing, so, heat exchange effect is the best, and need not additionally increase power, saves the energy, it addition, cooling Device 13 import and export is all provided with liquid flowing valve 17 and returns fluid valve 16, and each cooler 13 is respective Independent, therefore, when producing, at any time the operation quantity of cooler 13 can be adjusted according to technological requirement Whole, motility is strong, and cooling effectiveness is high.

Claims (4)

1. self-loopa cools down an absorption tower, and it is divided into two parts on the whole, and bottom is tower seat, and top is Absorb main body, it is characterised in that: exhaust gas inlet is located at tower seat top；On described tower seat, it is internally provided with One circulation inner chamber, the described interlayer between circulation inner chamber and tower seat outermost top layer is circulation exocoel, outside circulation The bottom in chamber is provided with an absorbing liquid outlet；Bottom and the tower bottom sheet room of leading to of described circulation inner chamber connect, tower Bottom sheet is led to the bottom of room and is provided with the sewage draining exit of and external connection；The periphery of tower seat, uniformly solid around tower seat Surely eight coolers, the top of described cooler and circulation exocoel is had to connect, the bottom of cooler and tower bottom sheet Logical room connects, and the bottom of cooler and top are respectively arranged with a liquid flowing valve and one time fluid valve；Described Self-loopa cooling absorption tower top for absorb main body, absorb main body top be outlet port up to standard, reach The lower section of mark outlet port is centrifugal liquid cyclone；In described absorption main body, it is arranged on liquid rotation The lower section of stream device is two-stage gas-liquid mass transfer absorptive unit, and the structure of this two-stage gas-liquid mass transfer absorptive unit is complete with mechanism Exactly the same, discharge the most in order；Below liquid cyclone, the sidewall of absorption main body is provided with filler and enters Mouth and filler export, it is simple to change filler；The center absorbing main body is provided with spray thrower, the lower section of spray thrower For PP Pall ring filler, the top of described PP Pall ring filler is provided with filler compression plate, and PP Pall ring is filled out The bottom of material is grid support, is the fluid collection device of eliminating a wall flow below grid support；In described absorption main body, Below liquid cyclone, the fluid collection device of self filler import to the bottom of PP Pall ring filler defines two grades of gas-liquids Mass transfer absorptive unit；The lower section of two grades of gas-liquid mass transfer absorptive units, defines one-level gas-liquid mass transfer with identically constructed Absorptive unit.

2. self-loopa cooling absorption tower as claimed in claim 1, it is characterised in that: described exhaust gas inlet Place, its outside is connected to one by gas pipeline and corrosive resistant fan, and corrosive resistant fan connects to be needed from outside to process Toxic and harmful.

3. self-loopa cooling absorption tower as claimed in claim 1, it is characterised in that: described absorption main body The spray thrower of center is connected to one by absorbing liquid pipeline with circulation delivery side of pump, and the import of circulating pump is passed through Absorbing liquid pipeline is connected to the absorbing liquid outlet circulated bottom exocoel.

4. self-loopa cooling absorption tower as claimed in claim 1, it is characterised in that: described tower seat top Exhaust gas inlet extend to circulate inner chamber centre.