CN201857288U - Ultrasonic ammonia nitrogen sweeping flotation device - Google Patents

Ultrasonic ammonia nitrogen sweeping flotation device Download PDF

Info

Publication number
CN201857288U
CN201857288U CN2010205618351U CN201020561835U CN201857288U CN 201857288 U CN201857288 U CN 201857288U CN 2010205618351 U CN2010205618351 U CN 2010205618351U CN 201020561835 U CN201020561835 U CN 201020561835U CN 201857288 U CN201857288 U CN 201857288U
Authority
CN
China
Prior art keywords
ultrasonic wave
water
ammonia
nitrogen desorption
ultrasonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205618351U
Other languages
Chinese (zh)
Inventor
樊利华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2010205618351U priority Critical patent/CN201857288U/en
Application granted granted Critical
Publication of CN201857288U publication Critical patent/CN201857288U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Physical Water Treatments (AREA)

Abstract

The utility model discloses an ultrasonic ammonia nitrogen sweeping flotation device which comprises a water storage tank. At least one gas-liquid ultrasonic microbubble generator is arranged below the internal of the water storage tank; an elastic component is arranged inside the gas-liquid ultrasonic microbubble generator and vibrates by virtue of water shock to generate microbubbles and ultrasonic wave, or the ultrasonic wave generated by virtue of water shock is introduced into water to sweep ammonia nitrogen. Through the gas-liquid ultrasonic microbubble generator arranged below the water storage tank, when wastewater is introduced into the gas-liquid ultrasonic microbubble generator, the amount of the generated microbubbles is much larger than that of the microbubbles generated by the ordinary electrically driven ultrasonic ammonia nitrogen sweeping flotation device, so as to enhance acoustic cavitation effect and optimize ammonia nitrogen sweeping effect. The gas-liquid driven ultrasonic wave generation method of the device changes the conventional ultrasonic wave generation condition requiring high consumption of electric energy, so as to save the operating cost of equipment.

Description

A kind of ultrasonic wave ammonia-nitrogen desorption air-floating apparatus
Technical field
The utility model relates to a kind of waste disposal plant of using when handling trade effluent, particularly a kind of ultrasonic wave ammonia-nitrogen desorption air-floating apparatus.
Background technology
To containing the soda acid thing or wherein ammonia-nitrogen content is very high and when mainly discharging pre-treatment based on the trade effluent of solvability ammonia nitrogen thing, can use a kind of technology of carrying out ammonia-nitrogen desorption with air usually.This technology is by hot gas is fed in the water, makes gas-liquid fully contact mutually, makes in the water dissolved free ammonia pass liquid-gas interface and shifts to gas phase, thereby reach the purpose of removal of ammonia and nitrogen.Wherein the pH value of water and temperature are two principal elements that influence the content of free ammonia, and pH value and water temperature are high more, and the rate of dissociation of ammonia is high more.Traditional way is to add highly basic in liquid, and heated solution, but cost is very expensive like this, and the bubble volume that pumps into is excessive, and quantity is few, and the ammonia-nitrogen desorption effect is bad.So after traditional air stripping technology, occurred a kind of ultrasonic wave ammonia-nitrogen desorption technology again.This ultrasonic wave ammonia-nitrogen desorption technology, be at first to utilize ultrasonic vibration in water, to produce a large amount of micro-bubbles, when the ultrasonic wave of sufficient intensity by these micro-bubbles and the sound pressure amplitude of sound wave negative pressure semi-period when surpassing the liquid internal static pressure, they will increase rapidly, then again by adiabatic compression, until collapse, the collapse instant of detonation is at bubble and focus occurs in the short space on every side, form the High Temperature High Pressure district, and be attended by powerful shockwave and speed per hour and reach the transients that jet about 400km and discharge are given out light, this a series of kinetic reaction processes that taken place under the sound field effect are called the acoustic cavitation effect.Under alkaline condition, the free ammonia of waste water promptly is released and becomes ammonia.Under action of ultrasonic waves, water-fast compound precipitation is separated out and formed to residual metal ions in the waste water.In the ultrasonic wave ammonia-nitrogen desorption technology, need use ultrasonic wave ammonia-nitrogen desorption air-floating apparatus.Corresponding stripping process is: at first tentatively regulate potential of hydrogen, make the pH value of pending liquid reach 11 or above after, it is fed beginning ultrasonic wave ammonia-nitrogen desorption in the ultrasonic wave stripping air-floating apparatus, the ammonia that disengages is reclaimed by the collection device of peripheral hardware, throw out is reclaimed by other percolator machine compression, the waste water of remaining deamination is through adjusting pH value, discharges after closing the symbol emission request.Now, ultrasonic wave ammonia-nitrogen desorption air-floating apparatus generally comprises an electric supersonic producer that is arranged in the water tank, the electric supersonic producer is inserted in the waste water and energising, regulate vibrational frequency, produce ultrasonic wave and carry out ammonia-nitrogen desorption, so these parts are called piezoelectricity luffing rod-type ultrasonic wave ammonia-nitrogen desorption device, whole plant is called electricity and drives ultrasonic wave ammonia-nitrogen desorption air-floating apparatus, but its power consumption is big, and owing to produce the microbubble quantity not sufficient, the ammonia-nitrogen desorption effect is not ideal.
The utility model content
The purpose of this utility model is for a kind of ultrasonic wave ammonia-nitrogen desorption air-floating apparatus is provided, and it is respond well that it has ammonia-nitrogen desorption, saves the characteristics of equipment operating cost.
The solution that the utility model solves its technical problem is:
A kind of ultrasonic wave ammonia-nitrogen desorption air-floating apparatus, it comprises water tank, below, described water tank inside is provided with at least one gas-liquid and puts the ultrasonic wave microbubble generator mutually, the inside that described gas-liquid is put the ultrasonic wave microbubble generator mutually is provided with elastic component, rely on the described elastic component vibration of water impact to produce micro-bubble and ultrasonic wave, or rely on the described elastic component vibration of gas shock to produce in the ultrasonic wave feeding water, thereby carry out ammonia-nitrogen desorption.
Be further used as preferred embodiment, described gas-liquid is put the ultrasonic generator 2 that surges that the ultrasonic wave microbubble generator comprises the microbubble generator assembly that is provided with entry portal and exit wound of bullet and is provided with water-in and water outlet mutually, and described exit wound of bullet connects with water-in.
Be further used as preferred embodiment, described microbubble generator assembly comprises that a centre is provided with the jet cavity of fluidic channel, and described entry portal and exit wound of bullet lay respectively at two of described fluidic channel, and described fluidic channel connects and is communicated with water-in.
Be further used as preferred embodiment, the caliber of described fluidic channel is pressed the gradual change of Venturi size rule, to the caliber of entry portal direction less than middle caliber, to the caliber sudden change of exit wound of bullet direction and less than middle caliber.
Be further used as preferred embodiment, described jet cavity also is provided with the high-pressure air feed pipe that becomes 10 degree~90 degree angles with fluidic channel.
Be further used as preferred embodiment, described high-pressure air feed pipe becomes 10~60 degree with the angle of fluidic channel.
Be further used as preferred embodiment, the described ultrasonic generator that surges comprises and is arranged on vibrations reed its end, that extend to the water-in direction.
Be further used as preferred embodiment, the distance of described vibrations reed and water-in is adjustable, and the vibrations reed does not shelter from described water outlet.
Be further used as preferred embodiment, the described ultrasonic generator that surges also comprises the ejector that is arranged on the water inlet, in the middle of the described ejector is horn-like passage, end to entry portal narrows, the other end is open, described horn-like access portal adjustable size, described vibrations reed is arranged in this passage.
Be further used as preferred embodiment, the described inwall top of water tank that comprises is provided with piezoelectricity luffing rod-type ultrasonic wave ammonia-nitrogen desorption device.
The beneficial effects of the utility model: the utility model is provided with gas-liquid and puts the ultrasonic wave microbubble generator mutually below water tank, make waste water feed described gas-liquid when putting the ultrasonic wave microbubble generator mutually, the micro-bubble quantity that produces is far longer than common electricity and drives ultrasonic wave ammonia-nitrogen desorption air-floating apparatus, strengthened the acoustic cavitation effect, optimized the ammonia-nitrogen desorption effect, and it is driven by gas-liquid and produces ultrasonic wave, changed and to have expended a large amount of electric energy in the past and produce hyperacoustic condition, saved the equipment operating cost.
In addition, the utility model also when being provided with gas-liquid and putting the ultrasonic wave microbubble generator mutually, also is provided with piezoelectricity luffing rod-type ultrasonic wave ammonia-nitrogen desorption device and reaches optimal effectiveness to guarantee ammonia-nitrogen desorption.
The utility model is simple in structure, and ammonia-nitrogen desorption is respond well, save to produce and operating cost, is widely used in to contain the soda acid thing or wherein in the ammonia-nitrogen content sewage disposal very high and that mainly carry out based on the trade effluent of solvability ammonia nitrogen thing.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the sectional view that the gas-liquid in the utility model is put the ultrasonic wave microbubble generator mutually, and wherein the microbubble generator assembly and the ultrasonic generator that surges are in separate stage;
Fig. 3 is the sectional view that the gas-liquid in the utility model is put the ultrasonic wave microbubble generator mutually, and wherein the microbubble generator assembly and the ultrasonic generator that surges are in assembled state;
Fig. 4 is that synoptic diagram is arranged in the technical process of the utility model when being used for wastewater treatment, and wherein dotted line is represented the trend of gas.
Embodiment
With reference to Fig. 1, a kind of ultrasonic wave ammonia-nitrogen desorption air-floating apparatus, it comprises water tank 3, described water tank 3 inner belows are provided with at least one gas-liquid and put ultrasonic wave microbubble generator 5 mutually, the inside that described gas-liquid is put ultrasonic wave microbubble generator 5 mutually is provided with elastic component, rely on the described elastic component of water impact to vibrate and produce micro-bubble and ultrasonic wave, or rely on the described elastic component vibration of gas shock to produce in the ultrasonic wave feeding water, thereby carry out ammonia-nitrogen desorption.
With reference to Fig. 2~Fig. 3, be further used as preferred embodiment, described gas-liquid is put ultrasonic wave microbubble generator 5 mutually and is comprised microbubble generator assembly 1 that is provided with entry portal 13 and exit wound of bullet 12 and the ultrasonic generator 2 that surges that is provided with water-in 22 and water outlet 23, and described exit wound of bullet 12 connects with water-in 22.
Be further used as preferred embodiment, described microbubble generator assembly 1 comprises that a centre is provided with the jet cavity 11 of fluidic channel 111, described entry portal 13 and exit wound of bullet 12 lay respectively at two of described fluidic channel 111, and described fluidic channel 111 connects and is communicated with water-in 22.Described jet cavity 11 is divided into the front and back cavity that cooperates closely-pitched gas thread made in Great Britain (or flange) to connect with male and female.
Be further used as preferred embodiment, the caliber of described fluidic channel 111 is pressed the gradual change of Venturi size rule, to the caliber of entry portal 13 directions less than middle caliber, to the caliber sudden change of exit wound of bullet 12 directions and less than middle caliber.The caliber of sudden change more strengthens the flow rate of water flow that penetrates through fluidic channel 111, and a large amount of bubble of its generation of the pressure official post that changes.
Be further used as preferred embodiment, described jet cavity 11 also is provided with the high-pressure air feed pipe 112 with 111 one-tenth 10 degree of fluidic channel~90 degree angles.
Be further used as preferred embodiment, described high-pressure air feed pipe 112 becomes 10~60 degree with the angle of fluidic channel 111.Especially, preferred 60 degree.Liquid from fluidic channel 111 high speed flow are crossed can suck the air of outside from high-pressure air feed pipe 112, produce a large amount of micro-bubbles and infiltrate in the liquid formation gas-liquid mixed state.More help follow-up ultrasonic acoustic cavatition.In addition, described high-pressure air feed pipe 112 can be directly exposed in the atmosphere, also the high-pressure pump air feed of available peripheral hardware.
Be further used as preferred embodiment, the described ultrasonic generator 2 that surges comprises and is arranged on vibrations reed 21 its end, that extend to water-in 22 directions.The high speed water impact should shake reed 21, and it can produce the ultrasonic wave of the frequency of 5k~2MHz, and ultrasonic wave and micro-bubble action-reaction are carried out ammonia-nitrogen desorption.Described vibrations reed 21 is wear-resisting, corrosion-resistant, heat-stable high strength titanizing manganese stainless steel sheet.
Be further used as preferred embodiment, described vibrations reed 21 is adjustable with the distance of water-in 22, and vibrations reed 21 does not shelter from described water outlet 23.Particularly, adjusting the mode of distance, is by being rotatably provided in the knob at vibrations reed 21 rear portions, it being moved forward and backward.When its during away from water-in 22, water flow impact pressure is big, correspondingly vibrational frequency also increases.
Be further used as preferred embodiment, the described ultrasonic generator 2 that surges also comprises the ejector 24 that is arranged on water-in 22 places, in the middle of the described ejector 24 is horn-like passage, end to entry portal 12 narrows, the other end is open, described horn-like access portal adjustable size, described vibrations reed 21 is arranged in this passage.The center-aisle of ejector 24 being designed to sizable horn-like, is in order to be that liquid produces pressure change when pouring passage, increases the generation of micro-bubble.Concrete adjustment mode is by being rotatably provided in the screw rod on the ejector 24, makes horn-like opening become big or narrows.When opening became big, water flow impact pressure increased, and the micro-bubble of generation is also corresponding to be increased.
It is to work like this that gas-liquid is put ultrasonic wave microbubble generator 5 mutually: waste water is pumped into from entry portal 13 with high pressure, water is when flowing through fluidic channel 111, can be because flow at high speed and the air of outside is sucked from high-pressure air feed pipe 112, thereby produce a large amount of micro-bubbles and be mixed in the inside, after current spray into water-in 22 from exit wound of bullet 12, impact endurance test shock reed 21, make its vibration produce ultrasonic wave, the vibrations reed 21 of high-frequency vibration makes the micro-bubble in the water many more on the one hand, micro-bubble explodes under action of ultrasonic waves on the other hand, thereby make the free ammonia separation of from water, overflowing, discharge from water outlet 23 together.
Perhaps, entry portal 13 is blocked up, enter from high-pressure air feed pipe 112 pump gas, intensive gas shock vibrations reed 21 produces ultrasonic wave, and this ultrasonic wave is led in the waste water, also can produce the ammonia-nitrogen desorption effect, but because bubble is bigger, effect is not as good as the ideal of gas-liquid changeable.
Perhaps, high-pressure air feed pipe 112 is blocked up, produce ultrasonic wave by water impact vibrations reed 21 purely, this mode is mainly used in fluid and separates.
Be further used as preferred embodiment, the described inwall top of water tank 3 that comprises is provided with piezoelectricity luffing rod-type ultrasonic wave ammonia-nitrogen desorption device 4.Described piezoelectricity luffing rod-type ultrasonic wave ammonia-nitrogen desorption device 4 probes immerse water surface 20-60 millimeter.The piezoelectricity luffing rod-type ultrasonic wave ammonia-nitrogen desorption device of setting up 4, the effect of ammonia-nitrogen desorption is further optimized, the utility model is under low ammonia nitrogen concentration starting condition, the removal effect of ammonia nitrogen is obvious, and under the ammonia nitrogen in high density condition, better removal effect is then arranged, can reach more than 99.95%, and ammonia nitrogen processing qualified discharge in the assurance waste water (ammonia nitrogen<20PPM).
With reference to Fig. 4, when the utility model is used for wastewater treatment, waste liquid tank 6 with peripheral hardware is connected with regulating tank 7 earlier, regulating tank 7 is connected with the entry portal 13 that gas-liquid is put ultrasonic wave microbubble generator 5 mutually, the below of water tank 3 is connected with the filter of peripheral hardware 8, and filter 8 is connected with neutralization tank 9, and the top opening of water tank 3 is connected with ammonia collection and treatment device 30, ammonia collection and treatment device 30 tops are provided with outlet port, and the below is met withdrawing can 31 and connected.Above-described mode of connection is pipe connection.
After waste water flows into regulating tank 7 from the waste liquid tank 6s, tentatively add conditioning agent earlier according to the concrete chemical substance in the waste water, as add alkali lye and regulate potential of hydrogen, the hydroxide radical concentration of waste water is increased, high pressure pumps into gas-liquid and puts mutually in the ultrasonic wave microbubble generator 5 then, when its from water outlet when ejection that gas-liquid is put ultrasonic wave microbubble generator 5 mutually, 0.1~0.5 micron a large amount of micro-bubbles will be produced, micro-bubble is put explosion under the action of ultrasonic waves that ultrasonic wave microbubble generator 5 produced mutually in gas-liquid, and with NH 3The molecular chain of-H strikes off, and quickens free ammonia is overflowed from waste water with the form of ammonia.At this time, ammonia is collected and carry out multistage dissolving and absorb by ammonia collection and treatment device 30, makes it become ammoniacal liquor income withdrawing can 31, and trace absorbs incomplete ammonia emission to atmosphere.Flows into from container for storing liquid 3 through the waste water behind the ammonia-nitrogen desorption and to carry out in the filter 8 that solid matter filters and compression is reclaimed, remaining liq is input to neutralization tank 9 and carries out dosing adjusting acid base equilibrium, drains after up to standard.
More than be that preferable enforcement of the present utility model is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.

Claims (10)

1. ultrasonic wave ammonia-nitrogen desorption air-floating apparatus, it is characterized in that: it comprises water tank (3), the inner below of described water tank (3) is provided with at least one gas-liquid and puts ultrasonic wave microbubble generator (5) mutually, the inside that described gas-liquid is put ultrasonic wave microbubble generator (5) mutually is provided with elastic component, rely on the described elastic component vibration of water impact to produce micro-bubble and ultrasonic wave, or rely on the described elastic component vibration of gas shock to produce in the ultrasonic wave feeding water, thereby carry out ammonia-nitrogen desorption.
2. ultrasonic wave ammonia-nitrogen desorption air-floating apparatus according to claim 1, it is characterized in that: described gas-liquid is put ultrasonic wave microbubble generator (5) mutually and is comprised the microbubble generator assembly (1) that is provided with entry portal (13) and exit wound of bullet (12) and be provided with water-in (22) and the ultrasonic generator that surges (2) of water outlet (23) that described exit wound of bullet (12) connects with water-in (22).
3. ultrasonic wave ammonia-nitrogen desorption air-floating apparatus according to claim 2, it is characterized in that: described microbubble generator assembly (1) comprises that a centre is provided with the jet cavity (11) of fluidic channel (111), described entry portal (13) and exit wound of bullet (12) lay respectively at two of described fluidic channel (111), and described fluidic channel (111) connects and is communicated with water-in (22).
4. ultrasonic wave ammonia-nitrogen desorption air-floating apparatus according to claim 3, it is characterized in that: the caliber of described fluidic channel (111) is pressed the gradual change of Venturi size rule, to the caliber of entry portal (13) direction less than middle caliber, to the caliber sudden change of exit wound of bullet (12) direction and less than middle caliber.
5. according to claim 3 or 4 described ultrasonic wave ammonia-nitrogen desorption air-floating apparatus, it is characterized in that: described jet cavity (11) also is provided with the high-pressure air feed pipe (112) that becomes 10 degree~90 degree angles with fluidic channel (111).
6. ultrasonic wave ammonia-nitrogen desorption air-floating apparatus according to claim 5 is characterized in that: described high-pressure air feed pipe (112) becomes 10~60 degree with the angle of fluidic channel (111).
7. ultrasonic wave ammonia-nitrogen desorption air-floating apparatus according to claim 2 is characterized in that: the described ultrasonic generator that surges (2) comprises and is arranged on vibrations reed (21) its end, that extend to water-in (22) direction.
8. ultrasonic wave ammonia-nitrogen desorption air-floating apparatus according to claim 7 is characterized in that: described vibrations reed (21) is adjustable with the distance of water-in (22), and vibrations reeds (21) do not shelter from described water outlet (23).
9. according to claim 7 or 8 described ultrasonic wave ammonia-nitrogen desorption air-floating apparatus, it is characterized in that: the described ultrasonic generator that surges (2) also comprises and is arranged on the ejector (24) that water-in (22) is located, in the middle of the described ejector (24) is horn-like passage, end to entry portal (12) narrows, the other end is open, described horn-like access portal adjustable size, described vibrations reed (21) is arranged in this passage.
10. ultrasonic wave ammonia-nitrogen desorption air-floating apparatus according to claim 1 is characterized in that: the described inwall top of water tank (3) that comprises is provided with piezoelectricity luffing rod-type ultrasonic wave ammonia-nitrogen desorption device (4).
CN2010205618351U 2010-10-13 2010-10-13 Ultrasonic ammonia nitrogen sweeping flotation device Expired - Fee Related CN201857288U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205618351U CN201857288U (en) 2010-10-13 2010-10-13 Ultrasonic ammonia nitrogen sweeping flotation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205618351U CN201857288U (en) 2010-10-13 2010-10-13 Ultrasonic ammonia nitrogen sweeping flotation device

Publications (1)

Publication Number Publication Date
CN201857288U true CN201857288U (en) 2011-06-08

Family

ID=44103101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205618351U Expired - Fee Related CN201857288U (en) 2010-10-13 2010-10-13 Ultrasonic ammonia nitrogen sweeping flotation device

Country Status (1)

Country Link
CN (1) CN201857288U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102662311A (en) * 2012-04-13 2012-09-12 京东方科技集团股份有限公司 Chemical conveying device, developing device and developing system
CN110156111A (en) * 2019-07-02 2019-08-23 江苏宜星星晨环境工程有限公司 A kind of supersonic gas vibrating generating device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102662311A (en) * 2012-04-13 2012-09-12 京东方科技集团股份有限公司 Chemical conveying device, developing device and developing system
CN102662311B (en) * 2012-04-13 2015-12-02 京东方科技集团股份有限公司 A kind of chemicals conveying device, developing apparatus and toning system
CN110156111A (en) * 2019-07-02 2019-08-23 江苏宜星星晨环境工程有限公司 A kind of supersonic gas vibrating generating device

Similar Documents

Publication Publication Date Title
KR100843970B1 (en) Apparatus of generating microbubble
CN204417203U (en) A kind of efflux aerator
CN201857288U (en) Ultrasonic ammonia nitrogen sweeping flotation device
CN201990565U (en) Waste leachate ultrasonic combined waste water treatment device
CN102230185A (en) Device and method for absorbing chlorine acid mist in electrodeposited cobalt production process
CN208599508U (en) Micro-nano bubble generator
CN104803465A (en) Device and method for reducing pH value of alkaline ammonia-containing sewage by use of flue gases
CN201952308U (en) Liquid sewage cavitation processor
CN213408271U (en) Bubble generating device
CN110422907A (en) A kind of ultrasonic wave high energy oxygen deironing apparatus
CN114748928A (en) Pump station water inlet flow channel
CN209668810U (en) A kind of ammonia nitrogen wastewater treatment device of high fouling tendency
CN107716391A (en) A kind of processing unit for the washing of human hair wig
CN208776350U (en) A kind of Intelligent pressing air-dissolving apparatus
CN101698144B (en) Hydrokinetic ultrasonic jet flow homogenizer
CN212982528U (en) Household micro-bubble generating device
CN213050136U (en) Micro-nano bubble-based gas-liquid mixture generation module and wastewater treatment equipment
CN109382035A (en) It is a kind of can auto feed device for generating super-fine air bubble
CN214075999U (en) Ozone water manufacturing mechanism
CN117654257B (en) Equipment for absorbing carbon dioxide by utilizing sea water desalination waste liquid
KR200408842Y1 (en) interior water pipe sterilization and wash device
CN217247987U (en) Ship desulfurization system with energy recovery function
CN114262043A (en) Efficient gas-liquid blending sewage treatment method and device
CN215762118U (en) Oil return pipe of ejector of low-pressure nitrogen press
CN218392937U (en) A washing tower for lithium hexafluorophosphate production

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110608

Termination date: 20151013

EXPY Termination of patent right or utility model