CN115521391B - Gum clearing ammonia reducing equipment and process thereof - Google Patents
Gum clearing ammonia reducing equipment and process thereof Download PDFInfo
- Publication number
- CN115521391B CN115521391B CN202211126012.XA CN202211126012A CN115521391B CN 115521391 B CN115521391 B CN 115521391B CN 202211126012 A CN202211126012 A CN 202211126012A CN 115521391 B CN115521391 B CN 115521391B
- Authority
- CN
- China
- Prior art keywords
- air
- ammonia
- pipe
- tank
- negative pressure
- 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.)
- Active
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 317
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 156
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 9
- 230000001603 reducing effect Effects 0.000 title claims description 37
- 239000007921 spray Substances 0.000 claims abstract description 83
- 238000003756 stirring Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000010521 absorption reaction Methods 0.000 claims abstract description 37
- 239000013049 sediment Substances 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 37
- 238000004140 cleaning Methods 0.000 claims description 30
- 230000009467 reduction Effects 0.000 claims description 26
- 239000004816 latex Substances 0.000 claims description 21
- 229920000126 latex Polymers 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 21
- 230000003584 silencer Effects 0.000 claims description 17
- 230000030279 gene silencing Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 3
- 238000011946 reduction process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims 4
- 238000010926 purge Methods 0.000 claims 2
- 238000007664 blowing Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 12
- 229920001971 elastomer Polymers 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009690 centrifugal atomisation Methods 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/04—Purifying; Deproteinising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention provides a glue-clearing ammonia-lowering device and a process thereof, wherein the glue-clearing ammonia-lowering device comprises a glue-clearing ammonia-lowering tank, a blower, a spray absorption assembly, a first air pipe and a second air pipe, the glue-clearing ammonia-lowering tank comprises a tank body, a feed valve, a stirring mechanism, a positive pressure air supply mechanism, a negative pressure air suction mechanism and an ammonia air outlet, the positive pressure air supply mechanism comprises a positive pressure air supply pipe and an air jet pipe, the negative pressure air suction mechanism comprises a negative pressure air-blowing pipe and a negative pressure air inlet pipe, the collected glue-clearing is filtered and sediments are led into the glue-clearing ammonia-lowering tank, the blower blows air under the stirring state, pressure air is sprayed out from the air jet pipe, air sucked in by negative pressure in the tank body is sprayed out from the negative pressure air-blowing pipe, the sprayed air takes ammonia in the glue-clearing can be taken away, the ammonia is conveyed into the spray absorption assembly through the ammonia air outlet, the sprayed water absorbs the ammonia and discharges tail gas meeting the environmental requirements into the air, pollution to the atmosphere is avoided, and the equipment facilities are polluted at the same time, and the service life of the equipment is prolonged.
Description
Technical Field
The invention relates to the technical field of natural rubber primary processing, in particular to skim latex ammonia reduction equipment and a process thereof.
Background
In the process of processing the skim rubber, ammonia removal (strictly speaking, ammonia reduction) is a necessary processing procedure, so that the ammonia content in the skim rubber is reduced, the dosage of a coagulant of the skim rubber can be greatly reduced, and the product quality of the skim rubber is improved. In the existing processing technology of skim rubber, the content of skim ammonia is generally reduced from more than 0.20% to about 0.1%, and the common skim ammonia reduction method mainly comprises the following steps: stirring (or mechanical blowing) in a pool, a launder, a surface (surface layer) mechanical blowing, a ammonia removal tower, a centrifugal atomization ammonia reduction method and the like, or a combination of two or more ammonia reduction methods.
The stirring ammonia-reducing method in the tank has poor ammonia-reducing effect and low efficiency, and ammonia gas pollutes the artificial operation environment and the atmosphere; the launder ammonia-reducing method has small power consumption, but large occupied area and large occupied space, and ammonia gas pollutes the manual operation environment and the atmospheric environment; the mechanical blasting ammonia-lowering method on the surface (surface layer) has higher efficiency than the stirring ammonia-lowering method in the tank, has smaller occupied area and space than the launder ammonia-lowering method, but the ammonia gas pollutes the manual operation environment and the atmosphere, and the glue solution splashes to pollute equipment and facilities; the ammonia-removing tower has the advantages of good ammonia-removing effect, high efficiency, small occupied area and high installation height, can avoid the artificial operation environment where ammonia pollution is low, but still pollute the atmosphere environment, and is difficult to clean in the tower; centrifugal atomization is applied to production because liquid is taken away by airflow and is easy to block.
Disclosure of Invention
In view of the above, the invention provides the skim ammonia reducing equipment and the process thereof, which have small occupied area, can avoid polluting the environment, lighten the corrosion to equipment and facilities and prolong the service life of the equipment.
The technical scheme of the invention is realized as follows:
the equipment comprises a glue cleaning ammonia reducing tank, a blower, a spray absorption assembly, a first air pipe and a second air pipe, wherein the blower is connected with the glue cleaning ammonia reducing tank through the first air pipe, and the spray absorption assembly is connected with the glue cleaning ammonia reducing tank through the second air pipe; the gel ammonia reduction tank comprises a tank body, a feeding valve, a stirring mechanism, a positive pressure air supply mechanism, a negative pressure air suction mechanism and an ammonia air outlet, wherein the feeding valve and the ammonia air outlet are arranged at the top of the tank body; the negative pressure air suction mechanism comprises a negative pressure air-emitting pipe, a negative pressure air inlet pipe and a negative pressure air inlet pipe orifice, the negative pressure air inlet pipe is positioned in the tank body, the top end of the negative pressure air inlet pipe extends out to the upper part of the top of the tank body, the negative pressure air inlet pipe orifice is arranged on the part, positioned outside the tank body, of the negative pressure air inlet pipe, the negative pressure air-emitting pipe is arranged in the tank body and is connected with the bottom end of the negative pressure air inlet pipe, a plurality of small holes are formed in the negative pressure air-emitting pipe and the air injection pipe, and the air injection pipe is positioned below the negative pressure air-emitting pipe; the first air pipe is connected with the blower and the positive pressure air inlet pipe orifice, and the second air pipe is connected with the ammonia air outlet and the spraying absorption assembly; the spraying absorption assembly comprises an induced draft fan, the induced draft fan is communicated with the internal gas phase space of the tank body, and the induced draft amount of the induced draft fan is larger than the air supply amount of the air blower.
Preferably, the stirring mechanism comprises a stirring shaft, stirring blades and a speed reducing motor, wherein the stirring shaft and the stirring blades are arranged in the tank body, the stirring blades are arranged on the outer wall of the stirring shaft, the speed reducing motor is arranged at the top of the tank body, and an output shaft of the speed reducing motor extends into the tank body and is connected with the top end of the stirring shaft.
Preferably, the tank body comprises a tank foot, a tank bottom, a tank barrel and a tank top, wherein the tank top is arranged at the top of the tank barrel, the tank bottom is arranged at the bottom of the tank barrel, the tank foot is arranged at the bottom of the tank bottom, and the ammonia air outlet and the feeding valve are arranged on the tank top.
Preferably, the skim ammonia reducing tank further comprises a liquid level pressure valve, an ammonia monitoring valve, a discharging valve and a clean discharging valve, wherein the liquid level pressure valve and the ammonia monitoring valve are arranged on the top of the tank, and the discharging valve and the clean discharging valve are arranged on the bottom of the tank.
Preferably, the tank body further comprises a tank top manhole and a tank barrel manhole, wherein the tank top manhole is arranged on the tank top, and the tank barrel manhole is arranged on the side wall of the tank barrel.
Preferably, the air blower comprises a base, an air blower motor, a host machine, an air inlet silencer, an air outlet and an air outlet silencing mechanism, wherein the air blower motor and the host machine are arranged on the top surface of the base, the air blower motor is connected with the host machine through a synchronous belt, the air inlet and the air outlet are arranged on the host machine, the air inlet silencer is connected with the air inlet, one end of the air outlet silencing mechanism is connected with the air outlet, and the other end of the air outlet silencing mechanism is connected with the first air pipe.
Preferably, the air-out silencing mechanism comprises an elastic interface, an air-out silencer and a one-way valve, wherein the elastic interface is connected with an air outlet to form the air-out silencer, the air-out silencer is connected with the first air pipe, and the one-way valve is arranged inside the first air pipe.
Preferably, spray the absorption subassembly and include spraying motor, tail gas chimney air-supply line, tail gas chimney, connect tuber pipe, spray column and spray the subassembly, spray motor drive draught fan action, the draught fan is connected with tail gas chimney air-supply line and connection tuber pipe respectively, tail gas chimney air-supply line is connected with the tail gas chimney, the connection tuber pipe is connected with the spray column, be provided with maintenance mouth, transparent window and ammonia air intake on the spray column, the ammonia air intake is connected with the second tuber pipe, spray the subassembly blowout water smoke to the spray column in.
Preferably, the spray assembly comprises a spray pipe orifice, a circulating water pump and a circulating water tank, wherein the circulating water pump and the circulating water tank are arranged on the outer wall of the spray tower, the spray pipe orifice is arranged on the outer surface of the spray tower, and the circulating water pump is connected with the circulating water tank and the spray pipe orifice.
A skim latex ammonia reduction process comprises the following steps:
step S1, obtaining a skim, filtering the skim and treating sediment;
s2, introducing the skim latex into a skim latex ammonia reduction tank, and starting a stirring mechanism, a blower, a draught fan and a spray absorption assembly;
s3, jetting out pressure air generated by an air blower from a lower layer of the adhesive cleaner through an air jet pipe, and jetting out air sucked by negative pressure in the tank body from a negative pressure air jet pipe, wherein the sprayed air takes away ammonia in the adhesive cleaner;
and S4, introducing ammonia-containing air into the spray absorption assembly to be absorbed.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a glue cleaning ammonia reducing device and a process thereof, wherein glue cleaning to be treated is led into a tank body through a feed valve, a blower and a spray absorption assembly are started, pressure air generated by the blower is conveyed into an air jet pipe through a positive pressure air supply pipe and is sprayed into lower glue cleaning through small holes on the air jet pipe, the sprayed air can take away ammonia contained in the glue cleaning, the induced air quantity of a draught fan is larger than the air supply quantity of the blower, negative pressure can be formed in the tank body, external air can be conveyed to a negative pressure air-emitting pipe through a negative pressure air inlet pipe and is emitted from small holes of the negative pressure air-emitting pipe to be mixed with upper glue cleaning, ammonia is taken away, ammonia-containing air in the glue cleaning ammonia is conveyed into the spray absorption assembly, the ammonia cleaning ammonia reducing function is realized through spray water, the ammonia pollution to the external environment is avoided, the corrosion to equipment facilities is avoided, and the equipment occupies a small space.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only preferred embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front view of a skim ammonia plant of the present invention;
FIG. 2 is a schematic top view of a gel removing and ammonia reducing device;
FIG. 3 is a schematic diagram of a schematic front view of a skim ammonia tank of a skim ammonia plant of the present invention;
FIG. 4 is a schematic top view of a skim ammonia tank of a skim ammonia plant of the present invention;
FIG. 5 is a schematic structural view of a blower of the skim ammonia plant of the present invention;
FIG. 6 is a schematic diagram of a front view of a spray absorption assembly of a skim ammonia plant of the present invention;
fig. 7 is a schematic top view of a spray absorption assembly of a skim ammonia plant of the present invention.
In the figure: 1 is a skim ammonia reducing tank, 1-1 is a tank foot, 1-2 is a tank bottom, 1-3 is an air jet pipe, 1-4 is a positive pressure air supply pipe, 1-5a is a stirring shaft, 1-5b is a stirring blade, 1-6 is a tank cylinder, 1-7 is a negative pressure air-emitting pipe, 1-8 is a negative pressure air inlet pipe, 1-9 is a tank top, 1-10 is a feed valve, 1-11 is an ammonia air outlet, 1-12 is a liquid level pressure valve, 1-13 is a positive pressure air inlet pipe orifice, 1-14 is a speed reducing motor, 1-15 is an ammonia monitoring valve, 1-16 is a tank top manhole, 1-17 is a negative pressure air inlet pipe orifice, 1-18 is a tank cylinder manhole, 1-19 is a discharge valve, 1-20 is a clean-discharging valve, 2 is a blower, 2-1 is a base, 2-2 is a blower motor, 2-3 is a host, 2-4 is an air inlet, 2-5 is an air inlet silencer, 2-6 is an air outlet, 2-7 is an elastic interface, 2-8 is an air outlet silencer, 2-9 is a one-way valve, 3 is a spray absorption assembly, 3-1 is a spray motor, 3-2 is a draught fan, 3-3 is a tail gas chimney air inlet pipe, 3-4 is a tail gas chimney, 3-5 is a connecting air pipe, 3-6 is a maintenance port, 3-7 is a spray pipe orifice, 3-8 is a transparent window, 3-9 is a spray tower, 3-10 is an ammonia air inlet, 3-11 is a circulating water pump, 3-12 is a circulating water tank, 4 is a first air pipe, and 5 is a second air pipe.
Detailed Description
For a better understanding of the technical content of the present invention, a specific example is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, the invention provides a skim ammonia reducing device, which comprises a skim ammonia reducing tank 1, a blower 2, a spray absorption assembly 3, a first air pipe 4 and a second air pipe 5, wherein the blower 2 is connected with the skim ammonia reducing tank 1 through the first air pipe 4, and the spray absorption assembly 3 is connected with the skim ammonia reducing tank 1 through the second air pipe 5; the gel ammonia reduction tank 1 comprises a tank body, a feeding valve 1-10, a stirring mechanism, a positive pressure air supply mechanism, a negative pressure air suction mechanism and an ammonia air outlet 1-11, wherein the feeding valve 1-10 and the ammonia air outlet 1-11 are arranged at the top of the tank body, the stirring mechanism stirs the interior of the tank body, the positive pressure air supply mechanism comprises a positive pressure air supply pipe 1-4, an air injection pipe 1-3 and a positive pressure air inlet pipe orifice 1-13, the positive pressure air supply pipe 1-4 is positioned in the tank body, the top end of the positive pressure air supply pipe extends out to the upper part of the top of the tank body and is connected with the positive pressure air inlet pipe orifice 1-13, and the air injection pipe 1-3 is arranged in the tank body and is connected with the positive pressure air supply pipe 1-4; the negative pressure air suction mechanism comprises a negative pressure air-emitting pipe 1-7, a negative pressure air inlet pipe 1-8 and a negative pressure air inlet pipe orifice 1-17, wherein the negative pressure air inlet pipe 1-8 is positioned in the tank body, the top end of the negative pressure air inlet pipe extends out of the top of the tank body, the negative pressure air inlet pipe orifice 1-17 is arranged on the part, positioned outside the tank body, of the negative pressure air inlet pipe 1-8, the negative pressure air-emitting pipe 1-7 is arranged in the tank body and is connected with the bottom end of the negative pressure air inlet pipe 1-8, a plurality of small holes (not shown in the figure) are formed in the negative pressure air-emitting pipe 1-7 and the air injection pipe 1-3, and the air injection pipe 1-3 is positioned below the negative pressure air-emitting pipe 1-7; the first air pipe 4 is connected with the blower 2 and the positive pressure air inlet pipe orifice 1-13, and the second air pipe 5 is connected with the ammonia air outlet orifice 1-11 and the spray absorption assembly 3; the spray absorption assembly 3 comprises an induced draft fan 3-2, wherein the induced draft fan 3-2 is communicated with the internal gas phase space of the tank body, and the induced draft amount of the induced draft fan is larger than the air supply amount of the blower 2.
The invention relates to a glue cleaning ammonia reducing device which is used for removing ammonia contained in glue cleaning, so that ammonia content of the glue cleaning is reduced, after the glue cleaning is collected, a feed valve 1-10 is opened, the glue cleaning enters the tank body, when the liquid level of the glue cleaning reaches a preset height, a stirring mechanism, a blower 2, a spray absorption assembly 3 and a draught fan 3-2 are started, pressure air generated by the blower 2 is conveyed to a positive pressure air inlet pipe orifice 1-13 through a first air pipe 4 and is conveyed to an air spraying pipe 1-3 through a positive pressure air supply pipe 1-4, a plurality of small holes are formed in the air spraying pipe 1-3, the pressure air is sprayed out from the small holes, so that the air enters the glue cleaning at the lower layer, under the stirring action of the stirring mechanism, the air can be fully contacted with the ammonia in the glue cleaning and finally rises to the top of the tank body, and under the action of the draught fan 3-2, the ammonia-containing air can be led out from an ammonia air outlet 1-11 and finally enters the spray absorption assembly 3 through a second air pipe 5, and finally ammonia is absorbed through the action of spray water, and the ammonia is finally discharged to the outside without causing excessive ammonia pollution to the environment.
With the continuous addition of the glue clear liquid into the tank body, after the glue clear liquid level is beyond the negative pressure air-rising pipe 1-7, the feeding valve 1-10 can be automatically or manually closed, and as the induced air quantity of the induced air fan 3-2 is larger than the air supply quantity of the air blower 2, the air in the tank body is lower than the air pressure outside the tank body, the air outside the tank body can enter the negative pressure air-inlet pipe 1-8 from the negative pressure air-inlet pipe orifice 1-17 and finally be conveyed to the negative pressure air-rising pipe 1-7, a plurality of small holes are also arranged on the negative pressure air-rising pipe 1-7, the air is blown out of the small holes and is mixed with glue clear at the upper layer inside the tank body, ammonia contained in the glue clear is taken away, and finally ammonia-containing air can enter the spray absorption component 3, and the ammonia is absorbed by spray water.
For the negative pressure air-rising pipe 1-7, the height is larger than that of the air-rising pipe 1-3, the air sprayed by the air-rising pipe 1-3 can be fully mixed with the lower glue, the air sprayed by the negative pressure air-rising pipe 1-7 can be fully mixed with the upper glue, the height of the negative pressure air-rising pipe 1-7 can be adjusted according to the height of the glue surface and the negative pressure in the tank body, so that the air outside the glue ammonia-lowering tank 1 can smoothly enter the tank, and the air can be mixed with the glue after being sprayed out through the negative pressure air-rising pipe 1-7.
Preferably, the stirring mechanism comprises a stirring shaft 1-5a, a stirring blade 1-5b and a reducing motor 1-14, wherein the stirring shaft 1-5a and the stirring blade 1-5b are arranged in a tank body, the stirring blade 1-5b is arranged on the outer wall of the stirring shaft 1-5a, the reducing motor 1-14 is arranged at the top of the tank body, and an output shaft of the reducing motor extends into the tank body and is connected with the top end of the stirring shaft 1-5 a.
The speed reducing motor 1-14 can drive the stirring shaft 1-5a and the stirring blade 1-5b to rotate, so that the stirring blade 1-5b stirs the colloidal fluid in the tank body, and air and ammonia gas are fully contacted and mixed, and the stirring blade 1-5b can rotate along with the stirring shaft 1-5a in the horizontal direction in a circumferential manner and can turn from top to bottom and from inside to outside in the vertical direction.
Preferably, the tank body comprises a tank foot 1-1, a tank bottom 1-2, a tank barrel 1-6 and a tank top 1-9, wherein the tank top 1-9 is arranged at the top of the tank barrel 1-6, the tank bottom 1-2 is arranged at the bottom of the tank barrel 1-6, the tank foot 1-1 is arranged at the bottom of the tank bottom 1-2, and the ammonia air outlet 1-11 and the feeding valve 1-10 are arranged on the tank top 1-9.
The tank body is cylindrical, the tank top 1-9 and the tank bottom 1-2 are formed by compression molding into a spherical body, the spherical body is connected with the tank barrel 1-6 through the circular arc section, dead angles, in which glue is not easy to flow, are avoided when stirring, the glue flows smoothly up and down, the stirring blades 1-5b rotate to generate circumferential tangential thrust in the horizontal direction, mixing in the horizontal direction can be realized, meanwhile, the stirring blades 1-5b incline for a certain angle, downward thrust is generated when rotating, the glue is pushed down from the middle, and then flows upwards from the wall of the tank barrel 1-6 and then is converged into the middle, so that the mixing in the vertical direction is effectively realized, good mixing effect can be obtained under the cooperation of the tank body and the stirring mechanism, the high-efficiency mixing of the glue and the pressure air is realized, and the ammonia reducing efficiency is improved.
In addition, the main material of the tank body is made of a composite plate of carbon steel and stainless steel, so that the strength and rigidity of the tank body are ensured, and the corrosion resistance of the inner wall is also ensured; the stainless steel surface of the inner wall is subjected to mirror polishing treatment, so that the surface finish is greatly improved, and the cleaning is convenient.
Preferably, the skim ammonia tank 1 further comprises a liquid level pressure valve 1-12, an ammonia monitoring valve 1-15, a discharging valve 1-19 and a clean discharging valve 1-20, wherein the liquid level pressure valve 1-12 and the ammonia monitoring valve 1-15 are arranged on a tank top 1-9, the discharging valve 1-19 and the clean discharging valve 1-20 are arranged on a tank bottom 1-2, the tank body further comprises a tank top manhole 1-16 and a tank barrel manhole 1-18, the tank top manhole 1-16 is arranged on the tank top 1-9, and the tank barrel manhole 1-18 is arranged on the side wall of the tank barrel 1-6.
After ammonia reduction of the skim latex is completed, ammonia monitoring valves 1-15 on the tank tops 1-9 can be opened, and when the ammonia content of the skim latex reaches a set value through manual sampling or monitoring by an online ammonia detector, discharge valves 1-19 can be opened automatically or manually to discharge the skim latex to the next treatment process.
After the glue in the tank body is completely discharged, the stirring mechanism can be stopped, the operation of the air blower 2 and the spray absorption assembly 3 is still kept at the moment, then the tank top manhole 1-16 is opened, the interior of the tank body is cleaned by using the pressurized water, the early cleaning water can be discharged from the discharge valve 1-19, and the later cleaning water and the sediments can be discharged from the discharge valve 1-20 into the sewage treatment system.
And an explosion-proof non-contact radar liquid level meter is arranged on the tank top 1-9, the volume of the skim rubber is calculated through the height of the liquid level, or the liquid level meter is connected with a computer control system to automatically control the liquid level height, the skim rubber feeding and discharging.
After the tank body is cleaned, the blower 2 and the spray absorption assembly 3 can be stopped, the equipment is restored to an initial state, if continuous operation is required, a connection operation mode of feeding at one side and discharging conveniently can be adopted, an automatic control mode is adopted, the skim rubber is discharged through the discharge valves 1-19, and when the liquid level is low to a set height, the feed valves 1-10 are automatically opened for feeding.
Preferably, the blower 2 comprises a base 2-1, a blower motor 2-2, a host 2-3, an air inlet 2-4, an air inlet silencer 2-5, an air outlet 2-6 and an air outlet silencing mechanism, wherein the blower motor 2-2 and the host 2-3 are arranged on the top surface of the base 2-1, the blower motor 2-2 is connected with the host 2-3 through a synchronous belt, the air inlet 2-4 and the air outlet 2-6 are arranged on the host 2-3, the air inlet 2-5 is connected with the air inlet 2-4, one end of the air outlet silencing mechanism is connected with the air outlet 2-6, and the other end of the air outlet silencing mechanism is connected with the first air pipe 4.
The air blower 2 adopts a Roots blower, the host machine 2-3 can suck external air into the air blower 2-2 through the air inlet 2-4 under the drive of the air blower motor 2-2, then the air blower 2-6 is used for conveying pressure air, the pressure air can be conveyed into the air ejector tube 1-3 in the tank body through the first air pipe 4, and the arranged 2-5 and the air outlet silencing mechanism can avoid the air blower 2 from generating larger noise during working.
Preferably, the air outlet silencing mechanism comprises an elastic interface 2-7, an air outlet silencer 2-8 and a one-way valve 2-9, wherein the elastic interface 2-7 is connected with an air outlet 2-6 to form the air outlet silencer 2-8, the air outlet silencer 2-8 is connected with the first air pipe 4, and the one-way valve 2-9 is arranged inside the first air pipe 4.
The elastic interface 2-7 can facilitate connection of the air outlet 2-6 and the first air pipe 4, the air outlet silencer 2-8 can be used for silencing, and the one-way valve 2-9 arranged in the first air pipe 4 can avoid air backflow.
Preferably, spray absorption assembly 3 includes spraying motor 3-1, tail gas chimney air-supply line 3-3, tail gas chimney 3-4, connection tuber pipe 3-5, spray column 3-9 and spray assembly, spraying motor 3-1 drives draught fan 3-2 action, draught fan 3-2 is connected with tail gas chimney air-supply line 3-3 and connection tuber pipe 3-5 respectively, tail gas chimney air-supply line 3-3 is connected with tail gas chimney 3-4, connection tuber pipe 3-5 is connected with spray column 3-9, be provided with maintenance mouth 3-6, transparent window 3-8 and ammonia air intake 3-10 on spray column 3-9, ammonia air intake 3-10 is connected with second tuber pipe 5, spray assembly blowout water smoke is to spray column 3-9 in, spray assembly includes spray nozzle 3-7, circulating water pump 3-11 and circulating water tank 3-12 set up on spray column 3-9 outer wall, spray nozzle 3-7 sets up at spray column 3-9, circulating water pump 3-11 and circulating water tank 3-12 connect spray nozzle 3-7.
The ammonia-containing air in the tank body can be conveyed into the second air pipe 5 from the ammonia air outlet 1-11 under the driving of the induced draft fan 3-2, and enters the spray tower 3-9 through the ammonia air inlet 3-10, the circulating water in the circulating water tank 3-12 is conveyed to the spray pipe orifice 3-7 by the circulating water pump 3-11, water mist is sprayed in the spray tower 3-9, the water mist absorbs ammonia in the rising air, after the ammonia is absorbed, the air enters the induced draft fan 3-2 through the connecting air pipe 3-5, enters the tail gas chimney 3-4 through the tail gas chimney air inlet pipe 3-3, and finally is discharged into the air.
The filler is arranged in the spray tower 3-9, ammonia-containing air enters the spray tower 3-9, so that the filler can be blown and rolled, and the water falling in the spray tower 3-9 can be sucked again by the circulating water pump 3-11 for recycling.
A skim latex ammonia reduction process comprises the following steps:
step S1, obtaining a skim, filtering the skim and treating sediment;
s2, introducing the skim latex into a skim latex ammonia reduction tank 1, and starting a stirring mechanism, a blower 2, a draught fan 3-2 and a spray absorption assembly 3;
s3, jetting out pressure air generated by the blower 2 from the lower layer of the skim through the air jet pipe 1-3, and jetting out air sucked by negative pressure in the tank body from the negative pressure air jet pipe 1-7, wherein the jetted air takes away ammonia in the skim;
step S4, ammonia-containing air enters the spray absorption assembly 3 to be absorbed.
Compared with the existing ammonia reduction method, the ammonia reduction method of the skim latex of the invention can achieve the following effects:
1. the gel cleaning ammonia reducing effect is good, the speed is high, and the efficiency is high.
2. The pollution to the artificial operation environment caused by overflowed ammonia during ammonia drop of the skim latex is avoided, and the harm to human body caused by the ammonia is avoided or reduced.
3. The corrosion of ammonia to equipment and facilities in the operation environment is reduced, the equipment failure rate and maintenance cost are reduced, the service life of equipment is prolonged, and the production cost is reduced.
4. Avoiding or reducing the pollution of ammonia to the atmosphere and avoiding or reducing the secondary environmental hazard.
5. After the ammonia is collected and treated, tail gas is discharged from high places in an organized way, and the requirements of environmental protection are met.
6. Avoiding the splashing of the glue and the pollution to equipment and facilities, and the ammonia reducing equipment is convenient to clean and meets the requirement of clean production.
7. Parameters such as the air quantity and the air pressure of the blower 2 and the induced draft fan 3-2 can be reasonably adjusted and controlled according to the glue cleaning quantity, the ammonia content and the production efficiency.
8. Ammonia reduction equipment occupies a smaller area and space.
9. The liquid level and the ammonia content can be monitored on line.
10. Automatic control components such as ammonia measuring, liquid level, electric valve and the like can be configured, and continuous operation modes of continuous feeding and continuous discharging are adopted to reduce ammonia according to the ammonia reducing effect.
11. Can be linked with the mixed solidification of the subsequent working procedure, and realize direct mixing and direct solidification with the coagulant according to the proportion.
The ammonia reduction effect of the present invention is discussed below by experimental data:
test conditions:
(1) The external diameter of the tank tube 1-6 is 4.0m (the thickness of the composite steel plate is 8mm, the rotating speed of the stirrer is 13 r/min), and ammonia (NH) after sediment and filtering treatment is injected by adopting an intermittent and batch ammonia-reducing operation mode 3 ) Skim with a content of 0.23% and a dry gel content (DRC) of 4.2% (density 1.00 t/m) 3 Calculated) 20.0t, a liquid level of 1.76m (wherein the sphere portion of the tank bottom 1-2 is 0.25m high, and a volume of 1.32m 3 ) The deep air jet pipe 1-3 is separated from the gel clean liquid surface by 1.49m, and the shallow negative pressure air jet pipe 1-7 is separated from the gel clean liquid surface by 0.2m.
(2) Blowing conditions: wind pressure 34.3kPa, air volume 13m 3 /min。
(3) Spray absorption assembly 3: 3-2 air quantity of induced draft fan 40m 3 1.0m is adopted in spray towers 3-9 per minute 3 The clean water circulation absorbs ammonia (the entrained water is automatically replenished).
(4) The negative pressure in the tank was 4.5kPa (sub-atmospheric pressure, 96.8 kPa).
Test results:
(1) Continuous operation to 4.0h: the ammonia content of the skim latex is reduced from 0.23% to 0.11%, and the ammonia content of the absorbed water is increased from 0 to 2.2%; the ammonia reduction rate of the skim latex is 52 percent and the ammonia absorption rate is 92 percent.
(2) Continuous operation to 6.0h: the ammonia content of the skim latex is reduced to 0.09 percent from 0.11 percent, and the ammonia content of the absorbed water is increased to 2.5 percent from 2.2 percent; the ammonia reduction rate of the skim latex reaches 61 percent and the ammonia absorption rate reaches 89 percent.
(3) Continuous operation to 8.0h: the ammonia content of the skim latex is reduced from 0.09% to 0.08%, and the ammonia content of the absorbed water is increased from 2.5% to 2.6%; the ammonia reduction rate of the skim latex reaches 65 percent and the ammonia absorption rate reaches 87 percent.
(4) Ammonia reduction efficiency: the treatment capacity of the skim latex is 2.5t/h, and the ammonia reduction power consumption is 8kWh/t.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The equipment for reducing ammonia in the plastic cleaning process is characterized by comprising a plastic cleaning ammonia reduction tank, a blower, a spray absorption assembly, a first air pipe and a second air pipe, wherein the blower is connected with the plastic cleaning ammonia reduction tank through the first air pipe, and the spray absorption assembly is connected with the plastic cleaning ammonia reduction tank through the second air pipe; the gel ammonia reduction tank comprises a tank body, a feeding valve, a stirring mechanism, a positive pressure air supply mechanism, a negative pressure air suction mechanism and an ammonia air outlet, wherein the feeding valve and the ammonia air outlet are arranged at the top of the tank body; the negative pressure air suction mechanism comprises a negative pressure air-emitting pipe, a negative pressure air inlet pipe and a negative pressure air inlet pipe orifice, the negative pressure air inlet pipe is positioned in the tank body, the top end of the negative pressure air inlet pipe extends out to the upper part of the top of the tank body, the negative pressure air inlet pipe orifice is arranged on the part, positioned outside the tank body, of the negative pressure air inlet pipe, the negative pressure air-emitting pipe is arranged in the tank body and is connected with the bottom end of the negative pressure air inlet pipe, a plurality of small holes are formed in the negative pressure air-emitting pipe and the air injection pipe, and the air injection pipe is positioned below the negative pressure air-emitting pipe; the first air pipe is connected with the blower and the positive pressure air inlet pipe orifice, and the second air pipe is connected with the ammonia air outlet and the spraying absorption assembly; the spraying absorption assembly comprises an induced draft fan, the induced draft fan is communicated with the internal gas phase space of the tank body, and the induced draft amount of the induced draft fan is larger than the air supply amount of the air blower.
2. The skim ammonia reducing device according to claim 1, wherein the stirring mechanism comprises a stirring shaft, stirring blades and a speed reducing motor, the stirring shaft and the stirring blades are arranged in the tank body, the stirring blades are arranged on the outer wall of the stirring shaft, the speed reducing motor is arranged at the top of the tank body, and an output shaft of the speed reducing motor extends into the tank body and is connected with the top end of the stirring shaft.
3. The skim ammonia plant of claim 1, wherein the tank body comprises a foot, a bottom, a canister and a roof, the roof is disposed at the top of the canister, the bottom is disposed at the bottom of the canister, the foot is disposed at the bottom of the bottom, and the ammonia gas outlet and the feed valve are disposed on the roof.
4. A skim ammonia plant according to claim 3, wherein the skim ammonia tank further comprises a liquid level pressure valve, an ammonia monitoring valve, a discharge valve and a purge valve, the liquid level pressure valve and the ammonia monitoring valve being disposed on the tank top, the discharge valve and the purge valve being disposed on the tank bottom.
5. A skim ammonia device as claimed in claim 3, wherein the tank further comprises a tank top manhole and a tank canister manhole, the tank top manhole being disposed on the tank top and the tank canister manhole being disposed on the tank canister sidewall.
6. The glue cleaning ammonia reducing device according to claim 1, wherein the blower comprises a base, a blower motor, a main machine, an air inlet silencer, an air outlet and an air outlet silencing mechanism, the blower motor and the main machine are arranged on the top surface of the base, the blower motor is connected with the main machine through a synchronous belt, the air inlet and the air outlet are arranged on the main machine, the air inlet silencer is connected with the air inlet, one end of the air outlet silencing mechanism is connected with the air outlet, and the other end of the air outlet silencing mechanism is connected with the first air pipe.
7. The glue cleaning ammonia reducing device according to claim 6, wherein the air outlet silencing mechanism comprises an elastic interface, an air outlet silencer and a one-way valve, the elastic interface is connected with the air outlet and the air outlet silencer, the air outlet silencer is connected with the first air pipe, and the one-way valve is arranged inside the first air pipe.
8. The glue cleaning ammonia reduction device according to claim 1, wherein the spray absorption assembly comprises a spray motor, a tail gas chimney air inlet pipe, a tail gas chimney, a connecting air pipe, a spray tower and a spray assembly, the spray motor drives a draught fan to act, the draught fan is connected with the tail gas chimney air inlet pipe and the connecting air pipe respectively, the tail gas chimney air inlet pipe is connected with the tail gas chimney, the connecting air pipe is connected with the spray tower, a maintenance port, a transparent window and an ammonia air inlet are formed in the spray tower, the ammonia air inlet is connected with the second air pipe, and the spray assembly sprays water mist into the spray tower.
9. The skim ammonia plant of claim 8, wherein the spray assembly comprises a spray nozzle, a circulating water pump and a circulating water tank, wherein the circulating water pump and the circulating water tank are arranged on the outer wall of the spray tower, the spray nozzle is arranged on the outer surface of the spray tower, and the circulating water pump is connected with the circulating water tank and the spray nozzle.
10. A skim ammonia reduction process using the skim ammonia reduction device according to any one of claims 1 to 9, comprising the steps of:
step S1, obtaining a skim, filtering the skim and treating sediment;
s2, introducing the skim latex into a skim latex ammonia reduction tank, and starting a stirring mechanism, a blower, a draught fan and a spray absorption assembly;
s3, jetting out pressure air generated by an air blower from a lower layer of the adhesive cleaner through an air jet pipe, and jetting out air sucked by negative pressure in the tank body from a negative pressure air jet pipe, wherein the sprayed air takes away ammonia in the adhesive cleaner;
and S4, introducing ammonia-containing air into the spray absorption assembly to be absorbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211126012.XA CN115521391B (en) | 2022-09-16 | 2022-09-16 | Gum clearing ammonia reducing equipment and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211126012.XA CN115521391B (en) | 2022-09-16 | 2022-09-16 | Gum clearing ammonia reducing equipment and process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115521391A CN115521391A (en) | 2022-12-27 |
| CN115521391B true CN115521391B (en) | 2023-12-05 |
Family
ID=84697879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211126012.XA Active CN115521391B (en) | 2022-09-16 | 2022-09-16 | Gum clearing ammonia reducing equipment and process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115521391B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2913334Y (en) * | 2006-06-15 | 2007-06-20 | 武汉理工大学 | Vacuum negative pressure pumping removing device for ammonia and nitrogen in waste water |
| CN103979627A (en) * | 2014-04-03 | 2014-08-13 | 江苏蓝晨环保科技有限公司 | Multistage efficient gas stripping system of ammonia nitrogen wastewater |
| CN104072642A (en) * | 2013-03-29 | 2014-10-01 | 海南大学 | Device for recycling skim rubber |
| CN104437055A (en) * | 2014-11-25 | 2015-03-25 | 中冶焦耐工程技术有限公司 | Negative-pressure ammonia distillation process and equipment for deaminizing ammonia before vacuum pump |
| CN107029455A (en) * | 2017-02-27 | 2017-08-11 | 中北大学 | The device and technique of ammonia during a kind of gravity Method stripping glue is clear |
| CN108328843A (en) * | 2018-04-17 | 2018-07-27 | 江苏凯利美环保科技有限公司 | Positive-negative pressure integrated high-efficient deamination system and its processing recovery process |
| CN110252237A (en) * | 2019-07-18 | 2019-09-20 | 海南晟泰环保工程有限公司 | A kind of process equipment for the deamination of colloidal liquid recycling and reusing that natural emulsion generates |
| CN218642658U (en) * | 2022-09-16 | 2023-03-17 | 海南省先进天然橡胶复合材料工程研究中心有限公司 | Glue ammonia equipment that falls |
-
2022
- 2022-09-16 CN CN202211126012.XA patent/CN115521391B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2913334Y (en) * | 2006-06-15 | 2007-06-20 | 武汉理工大学 | Vacuum negative pressure pumping removing device for ammonia and nitrogen in waste water |
| CN104072642A (en) * | 2013-03-29 | 2014-10-01 | 海南大学 | Device for recycling skim rubber |
| CN103979627A (en) * | 2014-04-03 | 2014-08-13 | 江苏蓝晨环保科技有限公司 | Multistage efficient gas stripping system of ammonia nitrogen wastewater |
| CN104437055A (en) * | 2014-11-25 | 2015-03-25 | 中冶焦耐工程技术有限公司 | Negative-pressure ammonia distillation process and equipment for deaminizing ammonia before vacuum pump |
| CN107029455A (en) * | 2017-02-27 | 2017-08-11 | 中北大学 | The device and technique of ammonia during a kind of gravity Method stripping glue is clear |
| CN108328843A (en) * | 2018-04-17 | 2018-07-27 | 江苏凯利美环保科技有限公司 | Positive-negative pressure integrated high-efficient deamination system and its processing recovery process |
| CN110252237A (en) * | 2019-07-18 | 2019-09-20 | 海南晟泰环保工程有限公司 | A kind of process equipment for the deamination of colloidal liquid recycling and reusing that natural emulsion generates |
| CN218642658U (en) * | 2022-09-16 | 2023-03-17 | 海南省先进天然橡胶复合材料工程研究中心有限公司 | Glue ammonia equipment that falls |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115521391A (en) | 2022-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202921184U (en) | Mining foam generator | |
| CN218642658U (en) | Glue ammonia equipment that falls | |
| CN208357329U (en) | A kind of cleaning box of Full-automatic ultrasonic cleaner | |
| CN108943536A (en) | A kind of multi-functional environment-protection rubber pad production equipment | |
| CN115521391B (en) | Gum clearing ammonia reducing equipment and process thereof | |
| CN213253799U (en) | Medical waste incineration exhaust-gas treatment equipment | |
| CN107718373A (en) | A kind of plastic products recovery reducing mechanism | |
| CN111821723A (en) | Paint spraying wastewater treatment system and treatment method thereof | |
| CN218190447U (en) | Check valve production is with paint spraying apparatus that environmental protection nature is high | |
| CN207628635U (en) | A kind of environment-friendly type removes coating cloud paint spray booth | |
| CN206168034U (en) | Easy abluent paint filter equipment | |
| CN211412358U (en) | Defoaming device for flotation clean coal | |
| CN112370910B (en) | Water atomization cleaning equipment for dust generated in cotton fiber processing and water-sewage separation method thereof | |
| CN210434197U (en) | Modified plastics filling masterbatch compounding workshop dust collector | |
| CN209752502U (en) | Novel efficient paint mist treatment device for cyclone tower | |
| CN210964409U (en) | Dynamic stirring spray tower | |
| CN220517454U (en) | Waste gas collecting device | |
| CN219539914U (en) | Waste gas treatment device used in polymer polyol production process | |
| CN221344298U (en) | Sewage deodorization device | |
| CN201244381Y (en) | Glue solution separator | |
| CN214635357U (en) | Paper deacidification system with inhale fog function | |
| CN219252092U (en) | Pulverized coal dust removing device | |
| CN220736981U (en) | Rotational flow spray tower | |
| CN209565059U (en) | A kind of two broken crushers with cleaning function | |
| CN220599852U (en) | Foam dust collector is used in coal opening |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |