CN108380038A - A kind of multi-layer biological filter tank with heating constant-temperature system and its application method - Google Patents
A kind of multi-layer biological filter tank with heating constant-temperature system and its application method Download PDFInfo
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- CN108380038A CN108380038A CN201810346319.8A CN201810346319A CN108380038A CN 108380038 A CN108380038 A CN 108380038A CN 201810346319 A CN201810346319 A CN 201810346319A CN 108380038 A CN108380038 A CN 108380038A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- 239000007921 spray Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 23
- 238000012856 packing Methods 0.000 claims abstract description 22
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 230000015556 catabolic process Effects 0.000 claims abstract description 12
- 238000006731 degradation reaction Methods 0.000 claims abstract description 12
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 67
- 239000002912 waste gas Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000006065 biodegradation reaction Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 4
- 238000004332 deodorization Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
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- 238000010521 absorption reaction Methods 0.000 description 2
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- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000030090 Acute Disease Diseases 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 206010012374 Depressed mood Diseases 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- 238000005119 centrifugation Methods 0.000 description 1
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- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
A kind of multi-layer biological filter tank with heating constant-temperature system and its application method, suitable for severe cold area, including biofilter, exhaust-conveying system, water-carriage system and heating constant-temperature system, heating constant-temperature system includes heating device, temperature sensing device and temperature control center, and heating device and temperature sensing device, which are matched, to be set in cyclic water tank and spray water tank；Two stage biological processing pond is connected in series by upper and lower multiple unit degraded layers, and every layer of setting biologic packing material layer and spraying layer, upper layer biologic packing material layer divide into strainer and spray liquid recovery layer, and spray liquid recovery layer is connect with cyclic water tank.Heating constant-temperature system is arranged in the present invention, is heated to water body in case, makes gas heating, improve degradation efficiency, solves the problems, such as that severe cold area gas temperature is less than biofilter design temperature；Two stage biological processing pond is set as multilayer, space availability ratio greatly promotes, and reduces biological deodorizing cost；Spray liquid recovery layer is set, and the spray liquid in two stage biological processing is recycled, and water resource has been saved.
Description
Technical field
The present invention relates to biological deodorizing technical fields, and in particular to a kind of multi-layer biological filter tank with heating constant-temperature system and
Its application method.
Background technology
Foul gas not only causes to seriously affect to ecological environment, but also has greatly harm to health, can make
Nervous centralis generates obstacle, lesion, causes chronic disease, acute disease.The threshold value of heterocycle fragrance is low, odour intensity is big and unhappy,
Easily there is a large amount of smell to escape in the production and packaging process, body and mind unhappiness is easily caused to intra-company and periphery crowd.
The exhaust gas concentration that the factory generates is relatively low, complicated component, and monitoring difficulty is big, administers difficult.Foreign countries early in late 1950s just
Start the research of foul gas pollution control, and has accumulated abundant knowwhy and practical experience.80 years 20th century of China
In generation, just carries out the research in terms of the investigation, test and standard of foul gas pollution, and is then from 20 generation to the research of deodorization technique
It records and just proceeds by the nineties.
The purpose of various foul gas processing methods is the effect by physics, chemistry, biology, makes the object of foul gas
Matter structure changes, and eliminates stench.The conventional common processing method of foul gas has combustion method, oxidizing process, absorption process, absorption
Method, neutralisation and bioanalysis etc..
Biological deodorizing is using bioanalysis by specially cultivating the microbial film in biofilter on biologic packing material to useless
Foul smell molecule carries out the biological exhaust gas treatment technology of deodorization.When containing the toxic, harmful, foul smelling of the mixing of gas, liquid, solid three
Exhaust gas is grown in the biology that the high-effective microorganism bacterial strain on biologic packing material is formed after collection conduit imports this system by culture
Film is come the pollutant in the exhaust gas that purifies and degrade.This biomembrane grow numerous on the one hand using the pollutant in exhaust gas as nutriment
It grows;On the other hand by toxic, the harmful rotten substance decomposition in exhaust gas, it is degraded into nontoxic CO2, H2O,H2SO4, HNO3
Etc. simple inorganic matter, to achieve the purpose that deodorization.
At present, on the one hand, since biological deodorizing system there are certain requirements the intake air temperature of entrance, i.e., 15~35 DEG C, right
In the sewage plant project for being located at northern frore area, since winter severe cold weather can not ensure the gas cooled down through outdoor air
Reach 15~35 DEG C of temperature requirement into deodoration system, microbial activity reduces in biofilter, and then gas is caused to discharge
It is unable to reach environmental emission standard；On the other hand, existing biofilter takes up a large area, and shower water cannot recycle, resource
There are wastes.Therefore, it is badly in need of a kind of novel biofilter at present.
Invention content
Present invention aims at a kind of multi-layer biological filter tank with heating constant-temperature system of offer and its application methods, solve existing
There is winter severe cold weather in technology that can not ensure that the gas cooled down through outdoor air enters deodoration system and reaches temperature requirement, biology
The technical barrier that microbial activity reduces, gas discharge is caused to be unable to reach environmental emission standard in filter tank；Also solve existing life
Object filter tank takes up a large area, shower water cannot recycle, resource there is technical issues that.
To realize the above-mentioned technical purpose, the present invention adopts the following technical scheme that：
A kind of multi-layer biological filter tank with heating constant-temperature system is suitable for severe cold area, it is characterised in that：Including biofilter,
Exhaust-conveying system, water-carriage system and heating constant-temperature system, the biofilter include the concatenated level-one pretreatment pool of one and
Two stage biological processing pond；The exhaust-conveying system includes centrifugal blower and waste gas pipeline, and described waste gas pipeline one end connects
Centrifugal blower is connect, the other end connects biofilter；The water-carriage system includes cyclic water tank, spray water tank, water circulating pump, spray
Water pump and water pipe, the cyclic water tank and water circulating pump are connected to level-one pretreatment pool, and supply pretreatment pool nozzle water is simultaneously real
Existing water circulation, the spray water tank and feeding spraying pump are connected to two stage biological processing pond, supply spraying layer water；The heating
Constant temperature system includes heating device, temperature sensing device and temperature control center, and the heating device and temperature sensing device, which are matched, is set on cycle
In water tank and spray water tank, and it is connect with temperature control center signal.
As the preferred technical solution of the present invention, the two stage biological processing pond is at least by upper and lower two units degraded layer string
Join, each unit degraded layer is followed successively by biologic packing material layer and spraying layer from bottom to top, and exhaust gas passes through multiple lists from bottom to top
It is discharged through chimney after first degraded layer degradation.
Be power it is 2.5kw it is further preferred that the bottom in cyclic water tank and spray water tank is arranged in the heating device
The heating tube of~3.0kw, the temperature sensing device are platinum resistance temperature sensing device, and the temperature control center is that pid number shows temperature controller.
Gas is pre-processed it is further preferred that being equipped with wrong gas medium in the level-one pretreatment pool；The two level
Equipped with biologic packing material layer to carrying out two stage biological degradation, the biologic packing material layer by the exhaust gas of coagulation in biological treatment tank
For porous material and the mixed layer of biological nutriment.
It is further preferred that being additionally provided with gas rectification layer under the biologic packing material layer of each unit degraded layer；Institute
It states in gas rectification layer and sets flue gas flow straightening grid.
Further, as a kind of perferred technical scheme, the two stage biological processing pond is dropped by upper and lower two units
Solution layer is connected in series, and strainer and spray liquid recovery layer, the spray liquid are arranged under the biologic packing material layer of upper unit degraded layer
Recovery layer is connect by return pipe with cyclic water tank, realizes shower water recycling.
It is further preferred that the spray liquid recovery layer is made of the recycling pallet of upper layer and lower layer interlaced arrangement, respectively
Upper layer catch tray and underlying collection disk, underlying collection disk are set in the gap between adjacent upper catch tray, form an entirety
Water recovery layer, the bottom of the upper layer catch tray and underlying collection disk is connected to by return branch with return main respectively.
It is further preferred that the underlying collection disk and upper layer catch tray are infundibulate, the upper edge of underlying collection disk is low
In upper layer catch tray upper edge and be arranged to overlap with it, reserving gaps between the two, form gas data feedback channel.
Finally, the porous material can be volcanic rock, and the biology nutriment can be bark.
In addition, the present invention also provides a kind of application method in the above-mentioned multi-layer biological filter tank with heating constant-temperature system, it is special
Sign is, includes the following steps：
Step 1: preparation：The equipment for checking each system, it is ensured that it is in normal condition, carries out overhaul of the equipments when necessary；
Step 2: heating constant-temperature system is opened：Mating setting heating device and temperature sensing device in cyclic water tank and spray water tank,
Heating device is for heating liquid in case, temperature of the temperature sensing device for liquid in detection case, both in temperature control
The heart connects, and temperature control center receives the temperature signal from temperature sensing device, and according to set temperature and the control heating of the temperature of detection
Device heats water body, until water temperature is 15~35 DEG C；
Step 3: water-carriage system starts：Water ON cycle water pump and feeding spraying pump make the nozzle of spraying layer work normally；
Step 4: exhaust-conveying system starts：Start centrifugal blower, exhaust gas is sent into biofilter by waste gas pipeline；
Step 5: the biological deodorizing of biofilter：Exhaust gas passes through level-one pretreatment pool inner cross gas medium from bottom to top, through shower water
Washing is pre-processed；Subsequently into two stage biological processing pond, from bottom to top pass through the concatenated unit degraded layer of multilayer, successively into
Row is biodegradable, reaches discharge standard；
Step 6：Exhaust gas is discharged：Exhaust gas is gone upward at the top of biofilter, is discharged through chimney, and the chimney bottom sets ammonia detection
Instrument and H2S detector；
Step 7: overhaul of the equipments：After the completion of exhaust-gas treatment, overhaul of the equipments is carried out, it is ensured that next normal operation.
Compared with prior art, the technical advantages of the present invention are that：
1, present invention setting heating constant-temperature system, is cooperated with each other by temperature control center, temperature sensing device, heating device, to case
Interior water body heating, after so that the water in cyclic water tank and spray water tank is reached set temperature, while gas also reaches set temperature, so
It is decomposed afterwards by biofilter, reaches gas discharge standard and discharged through floss hole；The thermal conductivity of water is 24 times of air thermal conductivity,
The specific heat capacity of water is 4 times of air specific heat capacity.In the case where not considering the flow velocity of air and water, heat cycles water and heating gas
Body is compared, and the efficiency of heat cycles water is 24*4=96 times for the efficiency for heating air.Therefore environment is improved using heat cycles water
Temperature（Gas temperature）, the efficiency of heating surface can be greatly improved；
2, the invention sets two stage biological processing pond to multilayer, and space availability ratio greatly promotes, improve degradation
Efficiency reduces biological deodorizing cost；
3, present invention setting spray liquid recovery layer, the spray liquid in two stage biological processing is recycled, into cyclic water tank, as
Level-one pretreatment cycling use of water reuses, and has saved water resource, has reduced degradation cost.
To sum up, technical solution of the present invention effectively reduces biodegradable cost, improves degradation efficiency, with solving severe cold
The problem of area is less than biofilter design temperature using biological odor removal method processing waste exhaust gases temperature, gas discharge is made to reach environmental protection
Standard.Especially suitable for cold district.
Description of the drawings
By being described in detail made by conjunction with the following drawings, above-mentioned and/or other aspects of the invention and advantage will become
It becoming apparent from and is easier to understand, these attached drawings are only schematical, are not intended to limit the present invention, wherein：
Fig. 1 is the setting schematic diagram of heating constant-temperature system of the present invention；
Fig. 2 is the bacteria filter structure schematic diagram of embodiment 1 of the present invention；
Fig. 3 is the cross-sectional view of A-A sections in Fig. 2；
Fig. 4 is the bacteria filter structure schematic diagram of embodiment 2 of the present invention；
Fig. 5 is the detailed structure schematic diagram of part B in Fig. 4.
Reference numeral：1- level-ones pretreatment pool, 2- two stage biologicals processing pond, 3- centrifugal blowers, 4- waste gas pipelines, 5-
Cyclic water tank, 6- spray water tanks, 7- water circulating pumps, 8- feeding spraying pumps, 9- water pipes, 10- pretreatment pools nozzle, 11- heating devices,
12- temperature sensing devices, 13- temperature controls center, 14- mistakes gas medium, 15- biologic packing materials layer, 16- spraying layers, 17- ammonias detector, 18-
H2S detector, 19- chimneys, 20- gas rectifications layer, 21- spray liquids recovery layer, the upper layers 21.1- catch tray, 21.2- lower layers
Catch tray, 21.3- return branch, 21.4- return main.
Specific implementation mode
Hereinafter, a kind of multi-layer biological filter tank with heating constant-temperature system of the present invention is described with reference to the accompanying drawings and its is made
With the embodiment of method.The embodiment recorded herein is the specific specific implementation mode of the present invention, for illustrating the present invention's
Design, is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except herein
Outside the embodiment of record, those skilled in the art can also be based on the application claims and specification disclosure of that is adopted
With obvious other technical solutions, these technical solutions include using the embodiment to recording herein make it is any aobvious and
The technical solution for the substitutions and modifications being clear to.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each section
And its correlation.The structure of each component for the ease of clearly showing the embodiment of the present invention is note that, between each attached drawing
Do not drawn according to identical ratio.Identical reference marker is for indicating identical part.Below in conjunction with attached drawing to the present invention
Principle and feature be described, the given examples are served only to explain the present invention, is not intended to limit the scope of the present invention.
Such as Fig. 1, a kind of multi-layer biological filter tank with heating constant-temperature system is suitable for severe cold area, it is characterised in that：Including
Biofilter, exhaust-conveying system, water-carriage system and heating constant-temperature system, biofilter include the concatenated level-one pretreatment of one
Pond 1 and two stage biological processing pond 2；Wrong gas medium 14 is equipped in level-one pretreatment pool 1 to pre-process gas；At two stage biological
It manages in pond 2 and carries out two stage biological degradation equipped with 15 pairs of exhaust gas for passing through coagulation of biologic packing material layer, biologic packing material layer 15 is more
The mixed layer of Porous materials and biological nutriment, porous material is volcanic rock, and biological nutriment is bark.Exhaust-conveying system includes centrifugation
Wind turbine 3 and waste gas pipeline 4,4 one end of waste gas pipeline connect centrifugal blower 3, and the other end connects biofilter；Water-carriage system packet
Including cyclic water tank 5, spray water tank 6, water circulating pump 6, feeding spraying pump 7 and water pipe 9, the amount of being filled with water of cyclic water tank 5 is 0.5 ton~
2.0 ton；The amount of being filled with water of spray water tank 6 is 0.8 ton~3.0 tons.Cyclic water tank 5 and water circulating pump 6 connect with level-one pretreatment pool 1
Logical, supply pretreatment pool nozzle 10 is with water and realizes water circulation, spray water tank 6 and feeding spraying pump 7 and two stage biological processing pond 2
Connection, supply spraying layer 16 use water；Heating constant-temperature system includes heating device 11, temperature sensing device 12 and temperature control center 13, heating
Device 11 and temperature sensing device 12, which are matched, to be set in cyclic water tank 5 and spray water tank 6, and is connect with 13 signal of temperature control center.Add
The bottom in cyclic water tank and spray water tank is arranged in thermal, is the heating tube that power is 2.5kw~3.0kw, and temperature sensing device is
Platinum resistance temperature sensing device, temperature control center are that pid number shows temperature controller.
If Fig. 2 and Fig. 3 is the bacteria filter structure schematic diagram of embodiment 1 of the present invention, as shown, the present embodiment
In, two stage biological processing pond 2 is at least connected in series by upper and lower two unit degraded layers, and each unit degraded layer is from bottom to top successively
For biological packing layer 15 and spraying layer 16, control valve is separately provided in every layer of spraying layer 16, and exhaust gas passes through multiple from bottom to top
It is discharged through chimney 19 after the degradation of unit degraded layer.Set two stage biological processing pond to multilayer, space availability ratio greatly promotes, and carries
High degradation efficiency, reduces biological deodorizing cost.
If Fig. 4 is the bacteria filter structure schematic diagram of embodiment 2 of the present invention, as shown, in the present embodiment, two
Grade biological treatment tank 2 is connected in series by upper and lower two unit degraded layers, and the biologic packing material layer 15 of upper unit degraded layer is divided into
Set strainer and spray liquid recovery layer 21, strainer is 6-10 mesh stainless steel filtering nets, be set to biologic packing material bottom support flase floor it
On, for being filtered to the solid impurity for oozing out biologic packing material layer 15, spray liquid recovery layer 21 passes through return pipe and recirculated water
Case 5 connects, and realizes shower water recycling.Such as Fig. 5, spray liquid recovery layer 21 by upper layer and lower layer interlaced arrangement recycling support
Disk forms, respectively upper layer catch tray 21.1 and underlying collection disk 21.2, and underlying collection disk 21.2 is set to adjacent upper catch tray
In gap between 21.1, the water recovery layer of an entirety, the bottom of upper layer catch tray 21.1 and underlying collection disk 21.2 are formed
It is connected to respectively with return main 21.4 by return branch 21.3, wherein 21.3 diameter of return branch is more than 25mm.Underlying collection
Disk 21.2 and upper layer catch tray 21.1 are infundibulate, and the upper edge of underlying collection disk 21.2 is less than the upper edge of upper layer catch tray 21.1
And be arranged to overlap with it, reserving gaps, form gas data feedback channel between the two.In the present embodiment, spray liquid recovery layer is set
21, the spray liquid in two stage biological processing is recycled, and into cyclic water tank, is made again as level-one pretreatment cycling use of water
With having saved water resource, reduced degradation cost.
Furthermore it is preferred that being additionally provided with gas rectification layer 20 under the biologic packing material layer 15 of each unit degraded layer；Gas
Flue gas flow straightening grid is set in rectification layer 20.
A kind of application method in the above-mentioned multi-layer biological filter tank with heating constant-temperature system, which is characterized in that including walking as follows
Suddenly：
Step 1: preparation：The equipment for checking each system, it is ensured that it is in normal condition, carries out overhaul of the equipments when necessary；
Step 2: heating constant-temperature system is opened：Mating setting heating device 11 and temperature-sensitive in cyclic water tank 5 and spray water tank 6
Device 12, heating device 11 is for heating liquid in case, temperature of the temperature sensing device 12 for liquid in detection case, the two
It is connect with temperature control center 13, temperature control center 13 receives the temperature signal from temperature sensing device 12, and according to set temperature and inspection
The temperature control heating device 11 of survey heats water body, until water temperature is 15~35 DEG C；
Assuming that：The lowest temperature outside winter room：-30℃；Tap water temperature：5℃；Set temperature after heating：20℃；Air specific heat
Hold：1.007×10³ J/（㎏·℃）；Water specific heat capacity：4.2×10³J/（㎏·℃）；（20℃）Air thermal conductivity：0.025W/
m.K；（20℃）The thermal conductivity of water：0.6 W/m·K.Then the thermal conductivity of water is 24 times of air thermal conductivity, and the specific heat capacity of water is sky
4 times of gas specific heat capacity.In the case where not considering the flow velocity of air and water, compared with heat gas, heating follows heat cycles water
The efficiency of ring water is 24*4=96 times for the efficiency for heating air.Therefore environment temperature is improved using heat cycles water（Gas temperature
Degree）, the efficiency of heating surface can be greatly improved.According to biological deodorizing cycle and the effective water tank amount 0.8T of shower water, calculates and heated from 5 DEG C
To 20 DEG C（Microorganism preference temperature）, usage time 5h, the performance number needed is Q=4.2 × 103J/（㎏·℃）*（20-5）
℃/18000s*800kg=2.8KW；Heating device uses water tank temperature self-balancing heating device, 20 DEG C of constant temperature（It is adjustable）, use
Bottom-heated mode, power use 3kw, the heating tube length 230mm of heating device, cyclic water tank to be heated with spray water tank,
Temperature control center shows temperature controller using pid number, controls heating tube start and stop；
Step 3: water-carriage system starts：Water ON cycle water pump 6 and feeding spraying pump 7 make spraying layer and danger in level-one pretreatment pool
The nozzle of spraying layer 16 in machine biological treatment tank works normally；
Step 4: exhaust-conveying system starts：Start centrifugal blower 3, exhaust gas is sent into biofilter by waste gas pipeline 4；
Step 5: the biological deodorizing of biofilter：Exhaust gas passes through 1 inner cross gas medium 14 of level-one pretreatment pool from bottom to top, through spray
Water drenching washing is pre-processed；Subsequently into two stage biological processing pond 2, pass through the concatenated unit degraded layer of multilayer from bottom to top,
Biodegradation is successively carried out, discharge standard is reached；
Step 6：Exhaust gas is discharged：Exhaust gas is gone upward at the top of biofilter, is discharged through chimney 19, and 19 bottom of chimney sets ammonia detection
Instrument 17 and H2S detector 18；
Step 7: overhaul of the equipments：After the completion of exhaust-gas treatment, overhaul of the equipments is carried out, it is ensured that next normal operation.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and other feature combination, and those skilled in the art are also
Other combinations between each technical characteristic can be carried out according to the purpose of invention, be subject to realize the present invention purpose.
Claims (10)
1. a kind of multi-layer biological filter tank with heating constant-temperature system is suitable for severe cold area, it is characterised in that：Including biological filter
Pond, exhaust-conveying system, water-carriage system and heating constant-temperature system, the biofilter include the concatenated level-one pretreatment pool of one
（1）With two stage biological processing pond（2）；The exhaust-conveying system includes centrifugal blower（3）And waste gas pipeline（4）, described useless
Letter shoot（4）One end connects centrifugal blower（3）, other end connection biofilter；The water-carriage system includes cyclic water tank
（5）, spray water tank（6）, water circulating pump（6）, feeding spraying pump（7）And water pipe（9）, the cyclic water tank（5）And water circulating pump（6）
With level-one pretreatment pool（1）Connection supplies pretreatment pool nozzle（10）With water and realize water circulation, the spray water tank（6）
And feeding spraying pump（7）With two stage biological processing pond（2）Connection supplies spraying layer（16）Use water；The heating constant-temperature system includes
Heating device（11）, temperature sensing device（12）With temperature control center（13）, the heating device（11）And temperature sensing device（12）With being arranged
It sets in cyclic water tank（5）And spray water tank（6）It is interior, and with temperature control center（13）Signal connects.
2. a kind of multi-layer biological filter tank with heating constant-temperature system according to claim 1, it is characterised in that：The two level
Biological treatment tank（2）It is at least connected in series by upper and lower two unit degraded layers, each unit degraded layer is made a living successively from bottom to top
Object packing layer（15）And spraying layer（16）, exhaust gas is from bottom to top through chimney after the degradation of multiple unit degraded layers（19）Discharge.
3. a kind of multi-layer biological filter tank with heating constant-temperature system according to claim 1 or 2, it is characterised in that：It is described
Heating device（11）It is arranged in cyclic water tank（5）And spray water tank（6）Bottom, be the heating that power is 2.5kw~3.0kw
Pipe；The temperature sensing device（12）For platinum resistance temperature sensing device；The temperature control center（13）Temperature controller is shown for pid number.
4. a kind of multi-layer biological filter tank with heating constant-temperature system according to claim 3, it is characterised in that：The level-one
Pretreatment pool（1）It is interior to be equipped with wrong gas medium（14）Gas is pre-processed；The two stage biological processing pond（2）It is interior to be equipped with biology
Packing layer（15）To carrying out two stage biological degradation, the biologic packing material layer by the exhaust gas of coagulation（15）For porous material and
The mixed layer of biological nutriment.
5. a kind of multi-layer biological filter tank with heating constant-temperature system according to claim 3, it is characterised in that：Each unit
The biologic packing material layer of degraded layer（15）Under be additionally provided with gas rectification layer（20）；The gas rectification layer（20）It is whole inside to set flue gas
Flow grid.
6. a kind of multi-layer biological filter tank with heating constant-temperature system according to claim 4 or 5, it is characterised in that：It is described
Two stage biological processing pond（2）It is connected in series by upper and lower two unit degraded layers, the biologic packing material layer of upper unit degraded layer（15）
Under setting strainer and spray liquid recovery layer（21）, the spray liquid recovery layer（21）Pass through return pipe and cyclic water tank（5）Even
It connects, realizes shower water recycling.
7. a kind of multi-layer biological filter tank with heating constant-temperature system according to claim 6, it is characterised in that：The spray
Liquid recovery layer（21）It is made of the recycling pallet of upper layer and lower layer interlaced arrangement, respectively upper layer catch tray（21.1）And underlying collection
Disk（21.2）, underlying collection disk（21.2）Set on adjacent upper catch tray（21.1）Between gap in, form entirety
Water recovery layer, the upper layer catch tray（21.1）With underlying collection disk（21.2）Bottom pass through return branch respectively（21.3）With
Return main（21.4）Connection.
8. a kind of multi-layer biological filter tank with heating constant-temperature system according to claim 7, it is characterised in that：The lower layer
Catch tray（21.2）With upper layer catch tray（21.1）It is infundibulate, underlying collection disk（21.2）Upper edge be less than upper layer catch tray
（21.1）Upper edge and be arranged to overlap with it, reserving gaps between the two, form gas data feedback channel.
9. a kind of multi-layer biological filter tank with heating constant-temperature system according to claim 6, it is characterised in that：It is described porous
Material is volcanic rock, and the biology nutriment is bark.
10. the application method in the multi-layer biological filter tank with heating constant-temperature system described in a kind of claim 8 or 9, feature exist
In including the following steps：
Step 1: preparation：The equipment for checking each system, it is ensured that it is in normal condition, carries out overhaul of the equipments when necessary；
Step 2: heating constant-temperature system is opened：In cyclic water tank（5）And spray water tank（6）Interior mating setting heating device（11）
And temperature sensing device（12）, heating device（11）For being heated to liquid in case, temperature sensing device（12）For liquid in detection case
The temperature of body, both with temperature control center（13）Connection, temperature control center（13）It receives and comes from temperature sensing device（12）Temperature signal,
And heating device is controlled according to set temperature and the temperature of detection（11）Water body is heated, until water temperature is 15~35 DEG C；
Step 3: water-carriage system starts：Water ON cycle water pump（6）And feeding spraying pump（7）, make the normal work of the nozzle of spraying layer
Make；
Step 4: exhaust-conveying system starts：Start centrifugal blower（3）, exhaust gas is passed through into waste gas pipeline（4）It is sent into biological filter
Pond；
Step 5: the biological deodorizing of biofilter：Exhaust gas passes through level-one pretreatment pool from bottom to top（1）Inner cross gas medium（14）,
It is pre-processed through shower water washing；Subsequently into two stage biological processing pond（2）, pass through the concatenated unit drop of multilayer from bottom to top
Layer is solved, biodegradation is successively carried out, reaches discharge standard；
Step 6：Exhaust gas is discharged：Exhaust gas is gone upward at the top of biofilter, through chimney（19）Discharge, the chimney（19）Bottom is set
Ammonia detector（17）And H2S detector（18）；
Step 7: overhaul of the equipments：After the completion of exhaust-gas treatment, overhaul of the equipments is carried out, it is ensured that next normal operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346319.8A CN108380038B (en) | 2018-04-18 | Multilayer biological filter with heating constant temperature system and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346319.8A CN108380038B (en) | 2018-04-18 | Multilayer biological filter with heating constant temperature system and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108380038A true CN108380038A (en) | 2018-08-10 |
| CN108380038B CN108380038B (en) | 2024-05-03 |
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| KR20020073974A (en) * | 2001-03-19 | 2002-09-28 | 차진명 | Stench and VOCs remove system using Biofilter |
| CN102188899A (en) * | 2010-03-10 | 2011-09-21 | 中国石油天然气股份有限公司 | Deodorizing device and deodorizing method of bio-trickling filtration tower |
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