CN203898789U - Sterilization, disinfection and purification device for air in livestock breeding shed - Google Patents

Sterilization, disinfection and purification device for air in livestock breeding shed Download PDF

Info

Publication number
CN203898789U
CN203898789U CN201420127845.2U CN201420127845U CN203898789U CN 203898789 U CN203898789 U CN 203898789U CN 201420127845 U CN201420127845 U CN 201420127845U CN 203898789 U CN203898789 U CN 203898789U
Authority
CN
China
Prior art keywords
air
sterilization
purification
communicated
house
Prior art date
Application number
CN201420127845.2U
Other languages
Chinese (zh)
Inventor
黄磊
胡雷明
徐翠霞
Original Assignee
黄磊
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 黄磊 filed Critical 黄磊
Priority to CN201420127845.2U priority Critical patent/CN203898789U/en
Application granted granted Critical
Publication of CN203898789U publication Critical patent/CN203898789U/en

Links

Abstract

The utility model relates to a sterilization, disinfection and purification device for air in a livestock breeding shed. The sterilization, disinfection and purification device is low in cost and can rapidly purify, disinfect and sterilize air pollutants in a large-scale livestock breeding shed. The device comprises a negative-pressure fan controlled by a PLC (programmable logic controller), a positive-pressure fan, an air purification and disinfection system, a drying machine and a plasma sterilization device, wherein an inlet end of the negative-pressure fan is communicated with an exhaust port of the livestock shed, and an outlet end is communicated with the air purification and disinfection system; an outlet end of the air purification and disinfection system is communicated with the drying machine; an outlet end of the drying machine is communicated with the plasma sterilization device; an inlet end of the positive-pressure fan is communicated with the plasma sterilization device, and an outlet end is communicated with an air inlet of the livestock shed. When the device is adopted to purify the air, firstly, the polluted air in the shed is pumped out by the negative-pressure fan, then enters the air purification and disinfection system, the drying machine and the plasma sterilization device sequentially for purification, sterilization and disinfection treatment, and is blown into the shed by the positive-pressure fan; and the polluted air in the shed is treated circularly in sequence.

Description

The sterilization and purification device of air in livestock culture house
Technical field
This utility model relates to the purifier of air in a kind of livestock culture house, especially a kind of can purification and the purifier of sterilizing air in livestock culture house.
Background technology
In recent years; along with popularizing of scale livestock culture industry; China's livestock culture industry has obtained significant progress; but along with the continuous increase of scale livestock culture industry stocking density; environment in poultry house is worsened increasingly; in house, harmful gas concentration rises, dust content increases, microbial aerosol concentration severe overweight (especially needs to take sealing measure because being incubated winter; above-mentioned phenomenon is more serious); these all directly threaten the health of breeding poultry seed stock herd, and also keeper and even breeding house periphery resident's health is arrived in serious threat simultaneously.In livestock culture house, air major pollutants can be divided into three kinds by its character: the one, and gaseous contamination is as ammonia (NH 3), hydrogen sulfide (H 2harmful gas and the carbon dioxide (CO soluble in water such as S) 2) etc. affect the gas of air quality; The 2nd, physical pollution is as feedstuff dust granules; The 3rd, biological pollutant, has the microorganism of various antibacterials, fungus, virus type and small dirt demodicid mite to be attached to microbial aerosol forming on powder dust particle etc.
In order to improve above-mentioned situation, insider has also made in many ways and having made great efforts.For example Chinese invention patent application publication No. is CN102018983A, name is called " fowl livestock house air cleaning sterilizing equipment decontaminating apparatus ", it comprises casing, contaminated air entrance, air waterfall chamber wash, water strainer, water fender, cleans the parts compositions such as water tank, and it utilizes Ozone Water waterfall to wash, after dedusting, sterilization, sterilization, send back in fowl animal house, airborne dust is removed under the effect of filter.The problem that this equipment exists is: 1, there is no independently cycle of ozone loop, in air after facilities air purification circuit and purification, be all mingled with a lot of ozone bubbles, suck the respiratory tract disease class disease that too much ozone easily causes fowl poultry and keeper, in coincidence circuit, equipment can cause service life very short because being corroded by ozone oxidation; 2, equipment water, gas closed circuit are separately not independent, cause clean contaminants to be easy to be sucked high-pressure wash cabin by high-pressure hydraulic pump, cause cabin internal filter and additional shower nozzle very easily blocked and cannot work, simultaneously because of the encapsulation process of filter after changing in hyperbaric cabin, cleans and keeping in repair be all difficult to realization cause manufacture and maintenance cost all very high; 3, because contaminated air sucks direction and shower nozzle water spray causes the exchange of contaminated air and Ozone Water not fully to cause purifying in the same way and disinfection effect is not good, can not meet the air purified treatment of circulation for a long time in large area fowl animal house.
Utility model content
Purpose of design: avoid the weak point in background technology, design is a kind of with low cost, can to air pollutants in scale livestock culture house purify fast and efficiently and the livestock culture house of sterilizing in the sterilization and purification device of air.
Design: in order to realize above-mentioned purpose of design.1, in house, air pollutants are carried out re-pasteurization sterilization by air purifying and sterilizing system, drying machine and plasma sterilization chamber successively, are first technical characterictics of the present utility model.The object of design is like this, air pollutants in fowl animal house are under the effect of negative-pressure air fan, extract out and enter by air vent and in air purifying and sterilizing system, carry out sterilizing for the first time, then the gas after preliminary treatment enters and in plasma sterilization chamber, carries out sterilizing for the second time, finally by positive pressure fan, the air after purified treatment is entered in fowl animal house, disinfect through the air purification and sterilizing after re-pasteurization sterilization that speed is fast, efficiency is high, and this device is cheap for manufacturing cost, practical.2, air purifying and sterilizing system adopts and with the copper shower nozzle of low-voltage, the water that contains ozone in cistern is sprayed in air cleaning decontamination equipment capable, in air cleaning decontamination equipment capable, forming with low pressure static and rich spray water screen ozoniferous, is second technical characterictic of the present utility model.The object of design is like this, in air purifying and sterilizing system, the ozone that in ozonator cell, ozonator produces is constantly thrown into the cistern of sealing by little air pump, because of ozone very easily water-soluble, after such processing, make the Shuifu County in cistern contain ozone (not water-soluble ozone bubbles can, by particular conduit circulating reflux to ozonator cell, avoid unnecessary ozone bubbles to sneak into other closed circuit of equipment); After rich like this water ozoniferous is extracted by water pump, be sent in multiple copper shower nozzles, and copper shower nozzle is added with low-voltage, pending like this air pollution rises and must, successively after multiple tracks band low pressure static and rich spray water screen ozoniferous, utilize harmful gas ammonia (NH from bottom 3), hydrogen sulfide (H 2etc. S) feature soluble in water and microbial aerosol are adsorbed in the feature of dust more, utilize the small dust of Electrostatic Absorption to reach preliminary air cleaning and disinfection effect, and purifying sterilizing is very quick and convenient, and purification and disinfection effect obviously improve.3, the copper shower nozzle being arranged in air cleaning decontamination equipment capable is multiple, and copper shower nozzle is positioned at top and sprays water vertically downward, is the 3rd technical characterictic of the present utility model.The object of design is like this, copper shower nozzle is arranged in air cleaning decontamination equipment capable, and water spray vertically downward, can produce 270 degree spray angles, the water of the copper shower nozzle of high pressure ejection can produce spray water screen, air pollutants to lower and on successively by multiple tracks spray water screen, purify layer by layer and sterilizing, the content that reduces harmful gas in air pollutants etc., has improved the purified treatment effect of air pollutants greatly.4, cistern be microscler, middle part has lagging with holes and bottom to have the poroid sewage draining exit of multiple sealings (can open), is the 4th technical characterictic of the present utility model.The object of design is like this, utilizes water in cistern and additional pipeline thereof to make cycle of ozone loop, air cleaning closed circuit and three, the water route circulation of being rich in ozone composition can separately can connect each other again; Ozone Water and polluting waste smoothly layering and polluting waste acquire a certain degree when the equipment that affects turns round smoothly, open poroid sewage draining exit can light blowdown.5, fowl animal house air inlet end is provided with auxiliary hot charging and puts, and auxiliary hot charging is put with the temperature inductor being provided with in fowl animal house and is connected, and the heating-up temperature that auxiliary hot charging is put is identical with the temperature in fowl animal house, is the 5th technical characterictic of the present utility model.The object of design is like this, the temperature sensor of being equipped with in fowl animal house, controlling auxiliary hot charging puts the air after purified treatment is heated, guarantee is input to that in air themperature in fowl animal house and fowl animal house, room temperature is suitable instantly, the fluctuating margin that has ensured like this air themperature in house is almost constant, and while having avoided common mechanical aerating system to cause giving up before and after interior ventilation because of ventilation that air themperature fluctuating margin is excessive to be made to take a breath, the phenomenon of fowl dirty swine disease occurs.6, fowl animal house exhaust port side is provided with humidity sensor, when cistern water level significantly increases, may make Ozone Water pour in down a chimney in fowl animal house time, and equipment quits work automatically, is the 6th technical characterictic of the present utility model.The object of design is like this; if not blowdown in time for a long time, thus the padded cistern water level of the cistern bottom a large amount of pollutant of alluvial caused, the Ozone Water in cistern is had while pouring in down a chimney into fowl animal house; equipment quits work automatically, thereby at utmost protects device security.
Technical scheme: the sterilization and purification device of air in a kind of livestock culture house, it comprises negative-pressure air fan, positive pressure fan, air purifying and sterilizing system, drying machine and plasma sterilization device that PLC controls; Negative-pressure air fan entrance point communicates with the air vent of fowl animal house, and the port of export communicates with air purifying and sterilizing system; The port of export of air purifying and sterilizing system communicates with drying machine; The port of export of drying machine communicates with plasma sterilization chamber; Positive pressure fan entrance point is communicated with plasma sterilization chamber, and the port of export is communicated with the air inlet of fowl animal house.
This utility model compared with background technology, the one, the circulation of the cycle of ozone loop in purifier and Ozone Water is separate, in the gas of device output, the content of ozone is very low, to fowl poultry and keeper's upper respiratory tract without any stimulation; The 2nd, the long service life of purifier, easy to maintenance quick, and the manufacturing cost of purifier is not high; The 3rd, air purification efficiency is high, and especially, to being cold season the scale livestock culture house that the measure of sealing is taked in insulation, effect is more obvious; In sealing scale livestock culture house, this device is installed and can be significantly reduced NH in pig house 3, CO 2etc. gas concentration and concentration of suspended particles, particularly particularly evident to ammonia, dust effect, ammonia is the highest has decreased by 95.2%, and H2S is the highest has decreased by 94.2%, and the highest range of decrease of dust is 90.8%; The 4th, the germicidal efficiency of device is high, in sealing scale livestock culture house, this device is installed and can be greatly reduced gas in breeding house and carry gentle year escherichia coli quantity of aerobe, and the deactivation degree of gas being carried to the antibacterial such as aerobe and escherichia coli reaches 70%--80% left and right; The 5th, in sealing scale livestock culture house, this device is installed and can be promoted to cultivate the feed intake that fowl is raiseeed, significantly improve the average daily gain of cultivation fowl poultry, reduce feedstuff-meat ratio.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further.
Accompanying drawing 1 is the flow process frame diagram of the sterilization and purification device of air in livestock culture house.
Accompanying drawing 2 is the structural representation of air cleaning decontamination equipment capable in accompanying drawing 1.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Embodiment 1: with reference to accompanying drawing 1.A sterilization and purification device for air in livestock culture house, it comprises negative-pressure air fan, positive pressure fan, air purifying and sterilizing system, drying machine and plasma sterilization device that PLC controls; Described negative-pressure air fan entrance point communicates with the air vent of fowl animal house, and the port of export communicates with air purifying and sterilizing system; Air pollutants in described fowl animal house, by air vent, are drawn in air purifying and sterilizing system under the effect of negative-pressure air fan; The port of export of described air purifying and sterilizing system communicates with drying machine; The port of export of described drying machine communicates with plasma sterilization chamber; Described positive pressure fan entrance point is communicated with plasma sterilization chamber, and the port of export is communicated with the air inlet of fowl animal house; Air pollutants after purifying in described air purifying and sterilizing system, enter drying machine, plasma sterilization chamber successively, are finally constantly squeezed in fowl animal house by the air inlet of fowl animal house at positive pressure fan.
Above-mentioned air purifying and sterilizing system comprises air cleaning decontamination equipment capable, water pump, airtight cistern, ozonator and little air pump; Described airtight cistern is microscler; Described airtight cistern middle part is provided with lagging with holes, and the poroid sewage draining exit of multiple sealings (can open) is arranged at bottom; Described little air pump entrance is connected with ozonator, and outlet is inserted in airtight cistern by pipeline, thereby ozone constantly can be squeezed in airtight cistern; Described airtight cistern separately has pipe outlet to be communicated with ozonator chamber, guarantees that the ozone bubbles energy circulating reflux that is not dissolved in water is to ozonator cell; Described water pump one end is communicated with airtight cistern, and the other end is communicated with air cleaning decontamination equipment capable; Described ozone enters after airtight cistern, soluble in water rapidly, not water-soluble ozone bubbles through pipeline circulating reflux to ozonator cell; Described water pump is constantly squeezed into water ozoniferous richness in air cleaning decontamination equipment capable; In described air cleaning decontamination equipment capable, be provided with the copper shower nozzle of multiple ejection water screens, and on copper shower nozzle, be all added with low-voltage; On described copper shower nozzle, can add positive and negative 5 volts of low-voltages; Described richness water ozoniferous sprays continuously and is water screen via copper shower nozzle, and meanwhile, owing to being all added with low-voltage on copper shower nozzle, water screen is not only rich in ozone but also with low pressure static.
Adopt the sterilization and purification device described in embodiment 1, when the air in livestock culture house is carried out to sterilization and purification, comprise the following steps:
1. the air pollutants in fowl animal house, under the effect of negative-pressure air fan, are entered by air vent in the air cleaning decontamination equipment capable of air purifying and sterilizing system;
2. in air purifying and sterilizing system, the ozone that ozonator produces is constantly squeezed in airtight cistern through little air pump, after ozone is water-soluble, constantly squeezed in air cleaning decontamination equipment capable by water pump, not water-soluble ozone bubbles can be by another pipeline circulating reflux to ozone generation device, can guarantee that Shuifu County in cistern is ozoniferous does not have a unnecessary ozone bubbles simultaneously, and the water in cistern is extracted and is transported to copper shower nozzle by high-pressure hydraulic pump;
3. in cistern, contain the water of ozone, the copper shower nozzle ejection spray water screen of band low pressure;
4. enter the air pollutants in air cleaning decontamination equipment capable, to lower and upper process band low pressure static and spray water screen ozoniferous, after fully contact reacts, realize preliminary purification and sterilizing, due to topmost both harmful gas ammonia (NH in air pollutants 3), hydrogen sulfide (H 2s) soluble in water, the microbial aerosol in air pollutants is adsorbed in dust more, utilizes rich water ozoniferous to take harmful gas out of, the small dust of Electrostatic Absorption reaches preliminary air cleaning and sterilizing;
5. the gas after preliminary purification is transported in drying machine, removes after the water smoke in gas, enters in plasma sterilization chamber;
6. preliminary purification and dried gas carries out quick sterilization, sterilization in plasma sterilization chamber;
7. complete re-pasteurization, gas after disinfecting, under the effect of positive pressure fan, through fowl animal house air inlet, be constantly transported in fowl animal house.
Above-mentioned steps 4. in, the spray water screen producing in air cleaning decontamination equipment capable is all 270 °, and air pollutants pass through multiple tracks spray water screen successively, improves and purifies and disinfection effect.
Embodiment 2: on the basis of embodiment 1, with reference to accompanying drawing 2.A sterilization and purification device for air in livestock culture house, its copper shower nozzle 1 is two; Described two copper shower nozzles 1 are installed in the top in air cleaning decontamination equipment capable, and shower nozzle 1 sprays water screen 2 vertically downward; Described air pollutants are discharged successively after twice water screen 2; Described air cleaning decontamination equipment capable is provided with drainage pipeline 3, and drainage pipeline 3 is communicated with airtight cistern.
Embodiment 3: on the basis of embodiment 2.A sterilization and purification device for air in livestock culture house, the water that its copper shower nozzle 1 sprays, the drainage pipeline being provided with through air cleaning decontamination equipment capable, discharges and is back in airtight cistern, can recycle energy savings; Microscler, middle part has lagging with holes and bottom to have the airtight cistern of the poroid sewage draining exit of multiple sealings (can open) by pollutant Ozone Water natural layering, in the time needing repairing, to open poroid sewage draining exit and to get final product cleaning equipment.
Embodiment 4: on the basis of embodiment 3.A sterilization and purification device for air in livestock culture house, it completed gas after treatment before entering fowl animal house, put after heated at constant temperature through auxiliary hot charging, passed into fowl animal house air inlet; The heating-up temperature that described auxiliary hot charging is put is by temperature sensor control, and temperature sensor is arranged in fowl animal house, ensures that the air themperature after heating is suitable with the interior air themperature of fowl animal house; Make like this in fowl animal house the fluctuating margin of air themperature almost constant, fowl dirty swine disease while having avoided common mechanical aerating system interior ventilation front and back air themperature fluctuating margin is excessive because ventilation causes giving up making to take a breath.
Embodiment 5: on the basis of embodiment 4.A sterilization and purification device for air in livestock culture house, its fowl animal house exhaust port side is provided with humidity sensor, when cistern water level significantly increases, may make Ozone Water pour in down a chimney in fowl animal house time, and equipment quits work automatically; If not blowdown in time for a long time, thus the padded cistern water level of the cistern bottom a large amount of pollutant of alluvial caused, the Ozone Water in cistern is had while pouring in down a chimney into fowl animal house, equipment quits work automatically, thereby at utmost protects device security.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of this utility model mentality of designing is described; instead of restriction to this utility model mentality of designing; any combination, increase or amendment that does not exceed this utility model mentality of designing, all falls in protection domain of the present utility model.

Claims (5)

1. the sterilization and purification device of air in a livestock culture house, comprise negative-pressure air fan, positive pressure fan, air purifying and sterilizing system, drying machine and plasma sterilization device that PLC controls, it is characterized in that: negative-pressure air fan entrance point communicates with the air vent of fowl animal house, the port of export communicates with air purifying and sterilizing system; The port of export of air purifying and sterilizing system communicates with drying machine; The port of export of drying machine communicates with plasma sterilization chamber; Positive pressure fan entrance point is communicated with plasma sterilization chamber, and the port of export is communicated with the air inlet of fowl animal house.
2. the sterilization and purification device of air in livestock culture house according to claim 1, is characterized in that: air purifying and sterilizing system comprises air cleaning decontamination equipment capable, water pump, airtight cistern, ozonator and little air pump; Little air pump entrance is connected with ozonator, thereby outlet is inserted in airtight cistern and ozone constantly can be squeezed in airtight cistern by pipeline; Airtight cistern separately has pipe outlet to be communicated with ozonator chamber, guarantees that the ozone bubbles energy circulating reflux that is not dissolved in water is to ozonator cell; Water pump one end is communicated with airtight cistern, and the other end is communicated with air cleaning decontamination equipment capable; In air cleaning decontamination equipment capable, be provided with the copper shower nozzle of multiple ejection water screens, and on copper shower nozzle, be all added with low-voltage.
3. the sterilization and purification device of air in livestock culture house according to claim 2, it is characterized in that: copper shower nozzle is arranged on the top in air cleaning decontamination equipment capable, and shower nozzle sprays water screen vertically downward.
4. according to the sterilization and purification device of air in the livestock culture house described in claim 2 or 3, it is characterized in that: air cleaning decontamination equipment capable is provided with drainage pipeline, and drainage pipeline is communicated with airtight cistern, airtight cistern bottom have multiple can perforate shape sewage draining exit.
5. according to the sterilization and purification device of air in the livestock culture house described in claim 2 or 3, it is characterized in that: fowl animal house air inlet end is provided with auxiliary hot charging and puts, auxiliary hot charging is put with the temperature inductor being provided with in fowl animal house and is connected, and the heating-up temperature that auxiliary hot charging is put is identical with the temperature in fowl animal house.
CN201420127845.2U 2014-03-19 2014-03-19 Sterilization, disinfection and purification device for air in livestock breeding shed CN203898789U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420127845.2U CN203898789U (en) 2014-03-19 2014-03-19 Sterilization, disinfection and purification device for air in livestock breeding shed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420127845.2U CN203898789U (en) 2014-03-19 2014-03-19 Sterilization, disinfection and purification device for air in livestock breeding shed

Publications (1)

Publication Number Publication Date
CN203898789U true CN203898789U (en) 2014-10-29

Family

ID=51773085

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420127845.2U CN203898789U (en) 2014-03-19 2014-03-19 Sterilization, disinfection and purification device for air in livestock breeding shed

Country Status (1)

Country Link
CN (1) CN203898789U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103845754A (en) * 2014-03-19 2014-06-11 黄磊 Sterilization and disinfection purification device and method for air in livestock shed
CN104484941A (en) * 2014-12-10 2015-04-01 宋白桦 Dust collection and disinfection system for currency processing equipment
CN105165662A (en) * 2015-10-15 2015-12-23 刘汉涛 Hair follicle powder and turbid gas purification system
CN109618937A (en) * 2018-11-14 2019-04-16 牧原食品股份有限公司 A kind of environmentally friendly sterile nonreactive breeding house
CN110327481A (en) * 2019-07-17 2019-10-15 陈伟华 A kind of herding treatment multifunctional intellectual decontamination system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103845754A (en) * 2014-03-19 2014-06-11 黄磊 Sterilization and disinfection purification device and method for air in livestock shed
CN104484941A (en) * 2014-12-10 2015-04-01 宋白桦 Dust collection and disinfection system for currency processing equipment
CN104484941B (en) * 2014-12-10 2017-02-22 宋白桦 Dust collection and disinfection system for currency processing equipment
CN105165662A (en) * 2015-10-15 2015-12-23 刘汉涛 Hair follicle powder and turbid gas purification system
CN109618937A (en) * 2018-11-14 2019-04-16 牧原食品股份有限公司 A kind of environmentally friendly sterile nonreactive breeding house
CN110327481A (en) * 2019-07-17 2019-10-15 陈伟华 A kind of herding treatment multifunctional intellectual decontamination system
CN110327481B (en) * 2019-07-17 2021-01-29 陈伟华 Multifunctional intelligent disinfection system for livestock treatment

Similar Documents

Publication Publication Date Title
CN203671777U (en) Air cleaning unit
CN101700449B (en) Device for recycling gas purified from spray paint waste gas in spray room
CN104534572A (en) Indoor air purification device
CN201363833Y (en) Centralized air processor
CN104964348B (en) A kind of air purifier
CN201218573Y (en) Taper-shaped internal spiral water-absorption type rinsing air purifying device
CN107297137A (en) A kind of organic waste gas treatment system
KR102069333B1 (en) Odor using odor materials by aerobic microorganisms useful to feed swine and remove the system
CN205340565U (en) Waste gas processing system
CN205957388U (en) Integrative system of intelligence new trend air purification
CN203928257U (en) Ultraviolet ray health type air humidifier
CN104807085B (en) A kind of air purifier and its application method that PM2.5 is removed based on microalgae
CN205180092U (en) Batch production circulating water farming systems
CN104197412B (en) A kind of air cleaning system
CN103656719B (en) Device of the hydroxyl radical free radical to disinfection of indoor air removing toxic substances purification
CN205655410U (en) Air purifying device
CN203884290U (en) Plant cultivating device with air purification function
CN204469491U (en) Waste gas filter
CN103256675A (en) Simple air purifying and drying device
CN203744418U (en) Air purification humidifier
CN104221833A (en) Plant cultivation system with air purification function
CN201195077Y (en) Combined indoor air purification switching system
CN103599673A (en) Purification equipment capable of effectively treating dense smoke and dust
CN108479348A (en) A kind of novel environment friendly emission-control equipment
CN204907459U (en) New trend heat exchanger clean system

Legal Events

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

Granted publication date: 20141029

Termination date: 20160319

CF01 Termination of patent right due to non-payment of annual fee