CN208448985U - A kind of ethylene oxide absorber - Google Patents
A kind of ethylene oxide absorber Download PDFInfo
- Publication number
- CN208448985U CN208448985U CN201820163330.6U CN201820163330U CN208448985U CN 208448985 U CN208448985 U CN 208448985U CN 201820163330 U CN201820163330 U CN 201820163330U CN 208448985 U CN208448985 U CN 208448985U
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- spray
- ethylene oxide
- main body
- spray head
- liquid
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- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to ethylene oxide waste gas absorption technical fields, disclose a kind of ethylene oxide absorber, including main body, the air inlet and air outlet being set in main body, it is set to the discharge port of bottom part body and is set in main body and is used for the spray equipment of ejecting liquid, the spray equipment includes being set to the first spray head that body top sprays downwards and several being set in main body wall and the second spray head of oblique spray, first spray head and the second spray head include spray tube, spiral nozzle, several spray apertures being spaced apart along spiral nozzle surface are provided on the spiral nozzle.The utility model carries out liquid injection using the first spray head and the second spray head, and spiral nozzle keeps liquid injection more uniform, so that ethylene oxide comes into full contact with liquid, absorption efficiency is more preferable.
Description
Technical field
The utility model relates to ethylene oxide waste gas absorption field, in particular to a kind of ethylene oxide absorber.
Background technique
Addition obtained from alcohol ether is reacted with epoxide such as ethylene oxide (EO), propylene oxide (PO) as fatty alcohol
Object is typical nonionic surfactant.Alcohol ether has good soil release performance, wetability and emulsibility, also has biology
The good feature of explanation property.
Reacted using ethylene oxide with fatty alcohol the exhaust gas generated in the technique of preparation fatty alcohol polyoxyethylene ether mainly at
It is divided into also unreacted ethylene oxide gas, ethylene oxide chemical property is active, inflammable and explosive, while a kind of still medium poison
Substance has high risks to need to carry out vent gas treatment to it human body.
Existing absorption tower include main body, be set in main body recent mouth, be set to the discharge port of bottom part body with
And it is set in main body and is used for the spray equipment of ejecting liquid, spray equipment includes the spray head for being mounted on body top, spray
The leaching head ethylene oxide for making to be delivered up of spray water downwards contact generation hydration reaction generation ethylene glycol (EG) with water, thus except decyclization
Oxidative ethane.
But spray gas can not be made to come into full contact with liquid downwards by spray head, cause ethylene oxide absorption endless
Entirely, assimilation effect is poor.
Utility model content
The purpose of the utility model is to provide a kind of ethylene oxide absorber, the liquid and gas that spray head can be made to spray
More fully contact.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of ethylene oxide absorption
Tower including main body, the air inlet and air outlet being set in main body, the discharge port for being set to bottom part body and is set to main body
Spray equipment that is upper and being used for ejecting liquid, the spray equipment includes the first spray head for being set to body top and spraying downwards
And it several is set in main body wall and the second spray head of oblique spray, first spray head and the second spray head wrap
Spray tube, spiral nozzle are included, several spray apertures being spaced apart along spiral nozzle surface are provided on the spiral nozzle.
By using above-mentioned technical proposal, gas enters body interior from air inlet and ramps up, and in spray equipment
One spray head and the second spray head spray water, and the first spray head is sprayed water downwards, and the second spray head, which is mounted on theme side wall, to be divided
It does not spray water to main body axis direction, the water energy for spraying spray equipment is enough to be preferably clouded in main body, so that the epoxy risen
Ethane gas can more fully contact with water and concurrently give birth to hydration reaction, and extra water, water drink the ethylene glycol etc. that reaction generates
It is eventually positioned at bottom part body and is discharged by discharge port, pass through spiral nozzle and the spray apertures being spaced apart along spiral nozzle surface
Keep covering surface of water when spraying in spray pattern and spray wider, so that ethylene oxide and the enough preferably contacts of water energy, structure letter
Single, contact washing absorption effect is good.
Be further arranged to: first spray head and the second spray head include several flexible strips, in the flexible strip
Portion is connected with fixed frame and is fixed on the two sides on spray tube and being located at spiral nozzle by fixed frame.
By using above-mentioned technical proposal, it is directed onto the liquid sprayed on flexible strip, since flexible strip only has intermediate quilt
It is fixed, it can be shaken in a certain range because of the impact of liquid, to keep the atomizing effect of liquid more preferable, to promote whole spray
Drench effect.
Be further arranged to: the main body successively includes feed zone, packing section and spray section, the air inlet from the bottom up
Mouth is set on the side wall of feed zone, and the feed zone bottom is provided with circulating line, and the spray equipment further includes and first
The spray pump of spray head and the connection of the second spray head, the circulating line are connected with spray pump.
It by using above-mentioned technical proposal, is fed at feed zone, packing section carries out initial absorption, spray section to gas
Secondary washing absorption is carried out, keeps the absorption efficiency of ethylene oxide higher, makes after spraying and flow through to fill out by the setting of circulating line
Material section enters feed zone bottom storage, while extracting these liquid again by circulating line and spray pump and passing through first
Spray head and the second spray head spray, make full use of wherein still unreacted water recycled, saved water resource.
It is further arranged to: being provided with packing support plate between the packing section and feed zone, the packing section top is set
It is equipped with hold-down grid, is provided with filler between the packing support plate and hold-down grid.
By using above-mentioned technical proposal, when gas enters packing section from feed zone first from the gap of packing support plate
Across and into filler, the water in spray section at spray permeates downwards from hold-down grid, and gas contacts in filler with water
Hydration reaction is concurrently given birth to, since gas needs the time by filler and keeps the contact effect with water good passing through, can be removed a large amount of
Ethylene oxide, good absorption effect.
Be further arranged to: the spray section bottom end is provided with liquid header, is provided with liquid above the hold-down grid
Body redistributor.
By using above-mentioned technical proposal, using liquid header at spray in spray section water and reaction product into
Row is collected and these liquid is sent into liquid re-distributor, and liquid is equably separately made liquid again using liquid re-distributor
Body can be more uniform infiltration filler increase absorption efficiency so that gas can come into full contact with when passing through filler with liquid.
Be further arranged to: the feed zone bottom is provided with recovery channel, and the recovery channel is connected with accumulator tank, institute
It states and is provided with recovery pump on recovery channel.
By using above-mentioned technical proposal, after purifying a period of time, the ethylene glycol content after reaction in liquid is gradually increasing,
The liquid of the also higher concentration ethylene glycol stored in feed zone is extracted out using recovery pump recovery channel and is stored in accumulator tank
In, it is recycled so that the later period extracts ethylene glycol.
Be further arranged to: the gas outlet is located at the top of spray section, is provided with absorber on the gas outlet.
By using above-mentioned technical proposal, gas escapes and enter in absorber from gas outlet, using absorber to gas
Adsorption cleaning again, remaining ethylene oxide of going out are carried out, so that the content of the tail gas ethylene oxide of discharge is less.
Be further arranged to: the absorber includes cabinet and active carbon slab arranged in the box body, on the cabinet
It is provided with the exhaust gas entrance being connected to gas outlet and is set to active carbon backboard to the waste gas outlet of one end of exhaust gas entrance.
By using above-mentioned technical proposal, gas is entered through after active carbon slab adsorbs from exhaust gas entrance again by waste gas outlet
Discharge, adsorbs ethylene oxide using active carbon, adsorption effect is good.
It is further arranged to: being provided with the filling opening for basic catalyst to be added in the spray section.
By using above-mentioned technical proposal, the catalytic action of hydration reaction is played by the way that lye is added, and increases reaction more
Effect is to promote the absorption efficiency of ethylene oxide.
In conclusion the utility model has the following beneficial effects:
1, so that the liquid sprayed is distributed in spray section more uniform using the first spray head and the second spray head, work as epoxy
Ethane gas can come into full contact with after entering spray section from packing section with liquid, so that hydration reaction is more efficient, improve epoxy
The absorption efficiency of ethane;
2, circulated sprinkling is carried out to the liquid accumulated in feed zone by circulating pump, circulating line, makes the water conservancy in liquid
With more sufficiently, while the content of the reactant ethylene glycol of hydration reaction in waste liquid is improved, is conducive to recovery channel, recycling
Pump, accumulator tank recycle ethylene glycol solution;
3, liquid sprays collision flexible strip from spray apertures, and the impact of liquid shakes flexible strip in a certain range, thus
Keep the atomizing effect of liquid more preferable, to promote whole spraying effect.
Detailed description of the invention
Fig. 1 is example structure schematic diagram;
Fig. 2 is the first spray head, the second showerhead configuration schematic diagram.
In figure: 1, main body;11, pedestal;2, spray section;3, packing section;31, hold-down grid;33, filler;32, filler branch
Fagging;4, feed zone;5, spray equipment;51, the first spray head;52, the second spray head;54, spray tube;53, spray pump;55,
Spiral nozzle;56, flexible strip;57, fixed frame;58, spray apertures;59, circulating line;6, absorber;61, cabinet;62, active
Carbon slab;63, exhaust gas inlet;64, waste gas outlet;71, liquid header;72, liquid re-distributor;81, air inlet;82, outlet
Mouthful;83, discharge port;84, circulation port;91, recovery port;92, recovery channel;93, recovery pump;94, accumulator tank.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of ethylene oxide absorber, as shown in Figure 1, include main body 1, air inlet 81, gas outlet 82, discharge port 83 with
And spray equipment 5,1 bottom of main body are fixed with pedestal 11 to fix main body 1 on the ground, main body 1 is successively wrapped from bottom to top
Feed zone 4, packing section 3 and spray section 2 are included, air inlet 81 is located on the side wall of feed zone 4, and discharge port 83 is located at feed zone 4
Bottom, gas outlet 82 are located at 2 top of spray section and are equipped with absorber 6, and absorber 6 includes cabinet 61 and active carbon slab 62,
Active carbon slab 62 is installed in cabinet 61, and the both ends of cabinet 61 offer exhaust gas inlet 63 and waste gas outlet 64, exhaust gas inlet 63
It is connected with gas outlet 82, last purification is carried out to gas using active carbon slab 62 and is absorbed.
As shown in Figure 1, spray equipment 5 includes the first spray head 51, the second spray head 52 and spray pump 53, the first spray
First 51 are installed in spray section 2 and spray, the second spray head 52 are installed on the side wall of spray section 2 and towards spray sections 2 downwards
Axle center spray.
Referring to figs. 1 and 2, the first spray head 51 and the second spray head 52 include spray tube 54, spiral nozzle 55
And several flexible strips 56, fixed frame 57 is connected in the middle part of flexible strip 56 and be fixed on spray tube 54 by fixed frame 57 and
Positioned at the two sides of spiral nozzle 55, several spray apertures being spaced apart along 55 surface of spiral nozzle are provided on spiral nozzle 55
58。
As shown in Figure 1,2 bottom of spray section is equipped with liquid header 71, liquid is installed between packing section 3 and spray section 2
Body redistributor 72, liquid header 71 are connected the liquid in spray section 2 inputting liquid with liquid re-distributor 72
In redistributor 72, liquid is uniformly separated infiltration downwards by liquid re-distributor 72.
As shown in Figure 1, being equipped with hold-down grid 31 below liquid re-distributor 72,3 bottom end of packing section is equipped with filler branch
Fagging 32, is filled with filler 33 between hold-down grid 31 and packing support plate 32, filler 33 is preferably Pall ring.
As shown in Figure 1,4 bottom of feed zone offers circulation port 84, circulating line 59, circulation pipe are connected on circulation port 84
The one end of road 59 far from circulation port 84 connect with spray section 2 and is connected with the first spray head 51 and the second spray head 52, spray
Pump 53 is mounted on circulating line 59 to which the liquid of 4 bottom of feed zone is drawn back spray section 2 and by 51 He of the first spray head
Second spray head 52 spray comes out.
As shown in Figure 1,4 bottom of feed zone offers recovery port 91, recovery channel 92, recovery tube are connected in recovery port 91
Road 92 is connected with accumulator tank 94 far from one end of recovery port 91, and recovery pump 93 is equipped on recovery channel 92, to tie absorbing
The Liquid extracting of 4 bottom of beam rear feeding section comes out and is stored in accumulator tank 94, and the subsequent ethylene glycol in liquid is facilitated to carry out
Purification recycling.
Use principle: gas enters from air inlet 81 when use, and is upwardly into packing section 3, and liquid is from the first spray head
51 and second spray head 52 be ejected in spray section 2 and form liquid mist, liquid, which is fallen on after liquid header 71, to be transported to liquid and divides again
Cloth device 72 is simultaneously equably conveyed to packing section 3, and gas enters after 33 section 3 of filler in filler 33 with liquid joint, is occurred
Hydration reaction generates ethylene glycol, and gas continues up and enter spray section 2, in spray section 2, ethylene oxide in gas and
The liquid hydration reaction that spray equipment 5 sprays generates ethylene glycol, and then gas, which continues to rise from gas outlet 82, enters absorber 6,
It is adsorbed using 62 pairs of remaining ethylene oxide of active carbon slab in absorber 6, and last tail gas is passed through into waste gas outlet
64 discharges.
It reacts the ethylene glycol generated and the remaining downward liquid flow of reaction and is stored in feed end bottom, utilize spray
Pump 53 is sprayed by these Liquid extractings and by circulating line 59 again by the first spray head 51 and the second spray head 52 to fill
Divide and utilizes the residual moisture in liquid.
It absorbs and stops being passed through gas after carrying out a period of time, the liquid of 4 bottom of feed zone by recovery pump 93 and is returned
Closed tube road 92 is pumped into accumulator tank 94 and stores to recycle.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of ethylene oxide absorber, including main body (1), the air inlet (81) being set on main body (1) and gas outlet (82),
It is set to the discharge port (83) of main body (1) bottom and is set on main body (1) and is used for the spray equipment (5) of ejecting liquid,
It is characterized by: the spray equipment (5) include be set to the first spray head (51) sprayed downwards at the top of main body (1) and if
It is dry to be set on main body (1) side wall and the second spray head (52) of oblique spray, first spray head (51) and the second spray
Head (52) includes spray tube (54), spiral nozzle (55), is provided on the spiral nozzle (55) along spiral nozzle (55) table
Several spray apertures (58) of face interval distribution.
2. a kind of ethylene oxide absorber according to claim 1, it is characterised in that: first spray head (51) and
Two spray heads (52) include several flexible strips (56), are connected with fixed frame (57) in the middle part of the flexible strip (56) and pass through fixation
Frame (57) is fixed on the two sides on spray tube (54) and being located at spiral nozzle (55).
3. a kind of ethylene oxide absorber according to claim 1, it is characterised in that: the main body (1) from the bottom up according to
Secondary includes that feed zone (4), packing section (3) and spray section (2), the air inlet (81) are set on the side wall of feed zone (4),
Feed zone (4) bottom is provided with circulating line (59), and the spray equipment (5) further includes and the first spray head (51) and
The spray pump (53) of two spray heads (52) connection, the circulating line (59) are connected with spray pump (53).
4. a kind of ethylene oxide absorber according to claim 3, it is characterised in that: the packing section (3) and feed zone
(4) it is provided between packing support plate (32), packing section (3) top is provided with hold-down grid (31), the packing support
Filler (33) are provided between plate (32) and hold-down grid (31).
5. a kind of ethylene oxide absorber according to claim 4, it is characterised in that: spray section (2) the bottom end setting
Have liquid header (71), is provided with liquid re-distributor (72) above the hold-down grid (31).
6. a kind of ethylene oxide absorber according to claim 3, it is characterised in that: feed zone (4) the bottom setting
Have recovery channel (92), the recovery channel (92) is connected with accumulator tank (94), is provided with recycling on the recovery channel (92)
It pumps (93).
7. a kind of ethylene oxide absorber according to claim 3, it is characterised in that: the gas outlet (82) is located at spray
At the top of section (2), absorber (6) are provided on the gas outlet (82).
8. a kind of ethylene oxide absorber according to claim 7, it is characterised in that: the absorber (6) includes cabinet
(61) and the active carbon slab (62) that is set in cabinet (61) it, is provided on the cabinet (61) and to be connected to gas outlet (82)
Exhaust gas entrance and be set to active carbon slab (62) back to one end of exhaust gas entrance waste gas outlet (64).
9. a kind of ethylene oxide absorber according to claim 3, it is characterised in that: be provided on the spray section (2)
For the filling opening of basic catalyst to be added.
Priority Applications (1)
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CN201820163330.6U CN208448985U (en) | 2018-01-31 | 2018-01-31 | A kind of ethylene oxide absorber |
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CN201820163330.6U CN208448985U (en) | 2018-01-31 | 2018-01-31 | A kind of ethylene oxide absorber |
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CN201820163330.6U Active CN208448985U (en) | 2018-01-31 | 2018-01-31 | A kind of ethylene oxide absorber |
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US11085016B1 (en) | 2020-01-20 | 2021-08-10 | Chio Kang Medical, Inc. | Method for screening bacteria capable of degrading ethylene oxide |
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US11103829B1 (en) | 2020-03-18 | 2021-08-31 | Chio Kang Medical, Inc. | Systems and methods for treating ethylene oxide waste gas |
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US20210291105A1 (en) | 2020-03-19 | 2021-09-23 | Chio Kang Medical, Inc. | Ethylene Oxide Adsorption Tower and Recovery System, and Method for Recovering Ethylene Oxide |
US11129914B1 (en) | 2020-03-19 | 2021-09-28 | Chio Kang Medical, Inc. | Ethylene oxide adsorption tower and recovery system, and method for recovering ethylene oxide |
US11123449B1 (en) | 2020-07-03 | 2021-09-21 | Chio Kang Medical, Inc. | Mobile sterilization system, mobile execution system, and mobile analysis system |
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Address after: 312300 Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing, Zhejiang Patentee after: Zhejiang Liaodong New Material Technology Co., Ltd. Address before: 312300 Shangyu economic and Technological Development Zone, Hangzhou Bay, Shaoxing, Zhejiang Patentee before: Zhejiang Liaohua Chemical Co., Ltd. |