CN211141786U - Industrial sewage purification and deodorization device - Google Patents
Industrial sewage purification and deodorization device Download PDFInfo
- Publication number
- CN211141786U CN211141786U CN201922147582.7U CN201922147582U CN211141786U CN 211141786 U CN211141786 U CN 211141786U CN 201922147582 U CN201922147582 U CN 201922147582U CN 211141786 U CN211141786 U CN 211141786U
- Authority
- CN
- China
- Prior art keywords
- tank
- deodorization
- water
- filter
- inlet end
- 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
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 60
- 238000004332 deodorization Methods 0.000 title claims abstract description 51
- 238000000746 purification Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 5
- 239000003814 drug Substances 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 6
- 239000008213 purified water Substances 0.000 claims description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 241000220317 Rosa Species 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 239000002781 deodorant agent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- NZARHKBYDXFVPP-UHFFFAOYSA-N tetrathiolane Chemical compound C1SSSS1 NZARHKBYDXFVPP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an industrial sewage purification deodorizing device, the play water end of sewage bottom of the case portion is connected with the end of intaking of grid device, grid device's play water end is connected through the end of intaking of first water pump with the agitator tank bottom, the play water end of agitator tank bottom is connected with the end of intaking at filter tank top through the second water pump, the play water end of filter tank bottom is connected with the end of intaking of water purification case, the end of giving vent to anger at agitator tank top is connected with the inlet end at deodorization tank top through the air pump, the end of giving vent to anger at deodorization tank top is connected with gas-liquid separation device's inlet end, gas-liquid separation device's play water end is connected with the end of intaking of water purification case. The utility model discloses a sewage case, agitator tank, deodorization case, rose box and water purification case structure set up, have synthesized multiple functions such as sewage stirring, filtration, deodorization, and is better to the treatment effect of sewage, and sewage treatment method design is simple reasonable, and the cost is lower, and the treatment effect is better.
Description
Technical Field
The utility model relates to a relevant technical field of industrial sewage treatment especially relates to an industrial sewage purification deodorizing device.
Background
In recent years, along with the continuous emergence of relevant policy and regulation for environmental protection in China, odor treatment generated in the sewage treatment process is increasingly emphasized. The main components of the odor generated by a general sewage treatment station are hydrogen sulfide (H2S), ammonia, tetrathiol and the like, the odor mainly comes from two parts of the odor and sludge treatment processes generated in the sewage treatment process, the odor contains a large amount of volatile odor compounds, and the volatile odor compounds can be continuously emitted into the air to generate continuous odor due to the reaction time of certain time when the sewage flows through each treatment unit; the sludge contains volatile compounds with peculiar smell, and the sludge can continuously emit peculiar smell to the air; the sludge is stirred, turned over, unloaded and the like by equipment, so that the odor compounds are volatilized, and a large amount of odor is generated.
In the sewage deodorization equipment in the prior art, sewage after sedimentation and filtration is generally treated by a biological method or a chemical method to eliminate odor in the sewage, the chemical method deodorization has complex existing mode and method, high cost and easy generation of chemical reagent pollution, the biological method generally utilizes culture medium to culture microorganisms and puts the microorganisms into the sewage to decompose odor-emitting components (such as hydrogen sulfide, ammonia and the like) in the sewage, the deodorization effect is good, but the microorganisms need to be cultured regularly, and the cost investment is high.
In view of the above-mentioned defects, the present designer is actively making research and innovation to create an industrial sewage purification and deodorization device, so that the industrial sewage purification and deodorization device has industrial utility value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing an industrial sewage purification and deodorization device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an industrial sewage purification and deodorization device comprises a sewage tank, a stirring tank, a deodorization tank, a filter tank and a clean water tank, wherein the water outlet end of the bottom of the sewage tank is connected with the water inlet end of a grid device, the water outlet end of the grid device is connected with the water inlet end of the bottom of the stirring tank through a first water pump, the stirring tank is internally provided with the stirring device, the water outlet end of the bottom of the stirring tank is connected with the water inlet end of the top of the filter tank through a second water pump, the inside of the water inlet end of the top of the filter tank is provided with a disinfection device, the filter tank is internally provided with a first filter plate and a second filter plate from top to bottom in sequence, the water outlet end of the bottom of the filter tank is connected with the water inlet end of the clean water tank, the air outlet end of the top of the stirring tank is connected with the air inlet end of the top of the deodorization tank through an air pump, the, the deodorization tank on the right side of the medicament spraying device is internally provided with a plurality of third filter plates, the gas outlet end at the top of the deodorization tank is connected with the gas inlet end of the gas-liquid separation device, the gas outlet end of the gas-liquid separation device is connected with an exhaust pipeline, and the water outlet end of the gas-liquid separation device is connected with the water inlet end of the purified water tank.
As a further improvement, the utility model discloses a between sewage case and the grid device, between first water pump and the agitator tank, between agitator tank and the air pump, on the medicine inlet pipe way, between deodorization case and the gas-liquid separation device, on the exhaust duct, between gas-liquid separation device and the water purification case, between agitator tank and the second water pump, all be provided with the valve between rose box and the water purification case.
As a further improvement, the valve is a ball valve.
As a further improvement of the utility model, the first water pump and the second water pump are high-pressure plunger pumps.
As a further improvement of the utility model, the medicament sprinkler is connected with the reservoir including advancing medicine end, reservoir and shower nozzle, the top of advancing the medicine end with advancing the medicine pipeline, the bottom of advancing the medicine end is connected with the reservoir, the bottom of reservoir is connected and is provided with a plurality of shower nozzle.
As the utility model discloses a further improvement, a plurality of third filter all sets up along vertical direction, and mutual dislocation set, all is provided with the air flow pipeline between the adjacent third filter.
As a further improvement of the utility model, an active carbon filling layer is arranged on the third filter plate.
As a further improvement of the utility model, the sterilizing device is an ultraviolet sterilizing lamp or an ozone generating device.
As a further improvement of the utility model, the first filter is a non-woven fabric filter screen, and the second filter is an active carbon filter screen.
As a further improvement of the utility model, the first filter is an active carbon filter screen and the second filter is an ultrafiltration membrane filter screen.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the industrial sewage purification and deodorization device integrates multiple functions of sewage stirring, filtering, deodorization and the like through the structural arrangement of the sewage tank, the stirring tank, the deodorization tank, the filter tank and the clean water tank, and has better sewage treatment effect, simple and reasonable design of the sewage treatment method, lower cost and better treatment effect; the three-stage filtration is carried out on the impurities in the sewage through the three-layer filtration of the grid device, the first filter plate and the second filter plate, so that the filtration effect is good; the sewage is disinfected by a disinfection device, and the discharged water is nontoxic and pollution-free; through the medicament sprinkler and the third filter of a plurality of that set up in the deodorization case, the deodorization effect is better.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the industrial sewage purification and deodorization device of the present invention.
In the drawings, the meanings of the reference numerals are as follows.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in figure 1 of the drawings, in which,
an industrial sewage purification and deodorization device comprises a sewage tank 1, a stirring tank 5, a deodorization tank 8, a filter tank 19 and a purified water tank 20, wherein the water outlet end of the bottom of the sewage tank 1 is connected with the water inlet end of a grid device 3, the water outlet end of the grid device 3 is connected with the water inlet end of the bottom of the stirring tank 5 through a first water pump 4, a stirring device 6 is arranged in the stirring tank 5, the water outlet end of the bottom of the stirring tank 5 is connected with the water inlet end of the top of the filter tank 19 through a second water pump 15, a disinfection device 16 is arranged inside the water inlet end of the top of the filter tank 19, a first filter plate 17 and a second filter plate 18 are sequentially arranged in the filter tank 19 from top to bottom, the water outlet end of the bottom of the filter tank 19 is connected with the water inlet end of the purified water tank 20, the air outlet end of the top of the stirring tank 5 is connected with the air inlet end of the top of the deodorization tank 8 through an, the medicine inlet end of the medicine spraying device 9 is connected with a medicine inlet pipeline 10, a plurality of third filter plates 11 are arranged in the deodorizing box 8 on the right side of the medicine spraying device 9, the air outlet end of the top of the deodorizing box 8 is connected with the air inlet end of the gas-liquid separating device 14, the air outlet end of the gas-liquid separating device 14 is connected with an exhaust pipeline 13, and the water outlet end of the gas-liquid separating device 14 is connected with the water inlet end of the water purifying box 20.
Preferably, valves 2 are disposed between the foul water tank 1 and the grill device 3, between the first water pump 4 and the agitation tank 5, between the agitation tank 5 and the air pump 7, on the chemical inlet pipe 10, between the deodorization tank 8 and the gas-liquid separation device 14, on the exhaust pipe 13, between the gas-liquid separation device 14 and the clean water tank 20, between the agitation tank 5 and the second water pump 15, and between the filtration tank 19 and the clean water tank 20.
Preferably, the valves 2 are ball valves.
Preferably, the first water pump 4 and the second water pump 15 are both high-pressure plunger pumps.
Preferably, the medicament spraying device 9 comprises a medicament inlet end, a liquid storage tank and spray heads, the top of the medicament inlet end is connected with a medicament inlet pipeline 10, the bottom of the medicament inlet end is connected with the liquid storage tank, the bottom of the liquid storage tank is connected with a plurality of spray heads, and the medicament inlet pipeline 10 is connected with an external deodorant.
Preferably, a plurality of third filter 11 all sets up along vertical direction, and dislocation set each other, all is provided with the air current pipeline between the adjacent third filter 11.
More preferably, through setting up the crisscross third filter 11 of multiunit each other in the deodorization case 8, be provided with the active carbon filling layer on the third filter 11, can make air and active carbon filling layer fully contact, the cooperation is by shower nozzle spun air deodorant, can make the deodorization effect better.
Preferably, the third filter plate 11 is provided with an activated carbon filling layer.
Preferably, the disinfection device 16 is an ultraviolet disinfection lamp or an ozone generating device. The sewage in the filter tank 19 is sterilized by an ultraviolet sterilizing lamp or an ozone generating device.
Preferably, the first filter plate 17 is a non-woven fabric filter screen, and the second filter plate 18 is an activated carbon filter screen.
Preferably, the first filter plate 17 is an activated carbon filter screen, and the second filter plate 18 is an ultrafiltration membrane filter screen.
In this case, the combination of the first filter plate 17 and the second filter plate 18 may be a nonwoven fabric filter and an activated carbon filter, or an activated carbon filter and an ultrafiltration membrane filter, depending on the actual conditions.
The three-layer filtering through the grid device 3, the first filtering plate 17 and the second filtering plate 18 is used for carrying out three-stage filtering on impurities in the sewage, and the filtering effect is good.
More preferably, be provided with agitating unit 6 in agitator tank 5, agitating unit 6 is through setting up stirring vane, and the motor drives stirring vane through the pivot and rotates, can stir the sewage that gets into in agitator tank 5 to make the foul smell among the chemical industry sewage fully discharge, the deodorization is comparatively abundant.
The structure and operation principle of the gas-liquid separation device 14 are conventional in the art, and therefore, will not be described in detail herein.
The industrial sewage purification and deodorization device of the utility model integrates multiple functions of sewage stirring, filtering, deodorization and the like through the structural arrangement of the sewage tank 1, the stirring tank 5, the deodorization tank 8, the filtering tank 19 and the water purification tank 20, has better sewage treatment effect, simple and reasonable design of the sewage treatment method, lower cost and better treatment effect; the three-stage filtration is carried out on the impurities in the sewage through the three-layer filtration of the grid device 3, the first filter plate 17 and the second filter plate 18, and the filtration effect is good; the sewage is disinfected by the disinfection device 16, and the discharged water is nontoxic and pollution-free; through the medicament sprinkler 9 and the third filter 11 of a plurality of that set up in the deodorization case 8, the deodorization effect is better.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The industrial sewage purification and deodorization device is characterized by comprising a sewage tank (1), a stirring tank (5), a deodorization tank (8), a filter tank (19) and a purified water tank (20), wherein the water outlet end of the bottom of the sewage tank (1) is connected with the water inlet end of a grid device (3), the water outlet end of the grid device (3) is connected with the water inlet end of the bottom of the stirring tank (5) through a first water pump (4), the stirring tank (5) is internally provided with a stirring device (6), the water outlet end of the bottom of the stirring tank (5) is connected with the water inlet end of the top of the filter tank (19) through a second water pump (15), the inside of the water inlet end of the top of the filter tank (19) is provided with a disinfection device (16), the filter tank (19) is internally provided with a first filter plate (17) and a second filter plate (18) from top to bottom in sequence, the water outlet end of the bottom of the filter tank (19) is connected with the water inlet end of the purified water, the air outlet end at the top of the stirring box (5) is connected with the air inlet end at the top of the deodorization box (8) through an air pump (7), a medicament spraying device (9) is arranged inside the air inlet end at the top of the deodorization box (8), the medicament inlet end of the medicament spraying device (9) is connected with a medicament inlet pipeline (10), a plurality of third filter plates (11) are arranged in the deodorization box (8) on the right side of the medicament spraying device (9), the air outlet end at the top of the deodorization box (8) is connected with the air inlet end of the gas-liquid separation device (14), the air outlet end of the gas-liquid separation device (14) is connected with an exhaust pipeline (13), and the water outlet end of the gas-liquid separation device (14) is connected with the water inlet end of the water purification box (20).
2. An industrial sewage purification and deodorization device as claimed in claim 1, wherein valves (2) are provided between the foul water tank (1) and the grid device (3), between the first water pump (4) and the agitation tank (5), between the agitation tank (5) and the air pump (7), on the chemical feed pipe (10), between the deodorization tank (8) and the gas-liquid separation device (14), on the exhaust pipe (13), between the gas-liquid separation device (14) and the clean water tank (20), between the agitation tank (5) and the second water pump (15), and between the filtration tank (19) and the clean water tank (20).
3. The industrial sewage purification and deodorization device according to claim 2, wherein the valves (2) are ball valves.
4. The industrial sewage purification and deodorization device according to claim 1, wherein the first water pump (4) and the second water pump (15) are both high-pressure plunger pumps.
5. The industrial sewage purification and deodorization device according to claim 1, wherein the chemical spraying device (9) comprises a chemical inlet end, a liquid storage tank and spray heads, the top of the chemical inlet end is connected with the chemical inlet pipeline (10), the bottom of the chemical inlet end is connected with the liquid storage tank, and the bottom of the liquid storage tank is connected with a plurality of spray heads.
6. The industrial sewage purification and deodorization device as claimed in claim 1, wherein the plurality of third filter plates (11) are vertically arranged and are staggered with each other, and the air flow pipes are arranged between the adjacent third filter plates (11).
7. The apparatus for purifying and deodorizing industrial sewage according to any one of claims 1 or 6, wherein the third filter plate (11) is provided with an activated carbon packing layer.
8. The industrial sewage purification and deodorization device according to claim 1, wherein the disinfection device (16) is an ultraviolet disinfection lamp or an ozone generation device.
9. The industrial sewage purification and deodorization device as claimed in claim 1, wherein the first filter plate (17) is a nonwoven fabric filter and the second filter plate (18) is an activated carbon filter.
10. The industrial sewage purification and deodorization device as claimed in claim 1, wherein said first filter plate (17) is an activated carbon filter screen, and said second filter plate (18) is an ultrafiltration membrane filter screen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922147582.7U CN211141786U (en) | 2019-12-04 | 2019-12-04 | Industrial sewage purification and deodorization device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922147582.7U CN211141786U (en) | 2019-12-04 | 2019-12-04 | Industrial sewage purification and deodorization device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211141786U true CN211141786U (en) | 2020-07-31 |
Family
ID=71748599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922147582.7U Expired - Fee Related CN211141786U (en) | 2019-12-04 | 2019-12-04 | Industrial sewage purification and deodorization device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211141786U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112403119A (en) * | 2020-12-19 | 2021-02-26 | 郭艳 | Industrial waste gas circulating treatment system and treatment method thereof |
-
2019
- 2019-12-04 CN CN201922147582.7U patent/CN211141786U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112403119A (en) * | 2020-12-19 | 2021-02-26 | 郭艳 | Industrial waste gas circulating treatment system and treatment method thereof |
CN112403119B (en) * | 2020-12-19 | 2021-07-02 | 江苏方诚环保科技有限公司 | Industrial waste gas circulating treatment system and treatment method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201692768U (en) | Device for removing offensive odour by chemical-cleaning-and-biological-combination mode | |
CN203458937U (en) | Waste gas treatment device | |
CN207324414U (en) | Integral type ion deodorization device | |
CN209791267U (en) | High-efficient bio-trickling-filtering deodorizing purifier | |
CN207085685U (en) | UV photodissociation and charcoal absorption integrated equipment for wastewater treatment | |
CN205796953U (en) | A kind of biological deodorizing tower | |
CN211141786U (en) | Industrial sewage purification and deodorization device | |
KR101494845B1 (en) | Deodorizing System | |
CN211800018U (en) | Stink waste gas biological deodorization device | |
CN210473600U (en) | Gas purification and deodorization device | |
CN214681030U (en) | Biological deodorization equipment | |
CN213725781U (en) | Biological deodorization device | |
CN211170203U (en) | Breed waste water odour removal device | |
CN211644822U (en) | Industrial sewage filtering device | |
CN211936385U (en) | Odor integrated biochemical deodorization equipment | |
CN212348329U (en) | Kitchen waste biological deodorization device | |
CN210009829U (en) | Integrated biological deodorization device | |
CN203428949U (en) | Photocatalytic purifying device of sewage and foul smell | |
CN220360980U (en) | Microorganism absorption, decomposition and deodorization device | |
CN215196095U (en) | A deactivation dust pelletizing system for chemical production | |
CN214681031U (en) | Integrated biological deodorization device | |
CN219441231U (en) | Waste gas purification spray tower for pulping and papermaking sewage treatment | |
CN205990323U (en) | The micro-nano bubble of novel ozone and multi-medium filtering comprehensive water treatment device | |
CN210683447U (en) | Deodorization type environment sewage environment-friendly purification treatment device | |
CN217377666U (en) | Industrial sewage deodorization purification treatment device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 |