CN108926944A - A kind of industrial waste gas circulating purifying device - Google Patents

A kind of industrial waste gas circulating purifying device Download PDF

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Publication number
CN108926944A
CN108926944A CN201810852052.XA CN201810852052A CN108926944A CN 108926944 A CN108926944 A CN 108926944A CN 201810852052 A CN201810852052 A CN 201810852052A CN 108926944 A CN108926944 A CN 108926944A
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CN
China
Prior art keywords
screen
tower
water tank
water
triode
Prior art date
Application number
CN201810852052.XA
Other languages
Chinese (zh)
Inventor
黄志优
Original Assignee
黄志优
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 黄志优 filed Critical 黄志优
Priority to CN201810852052.XA priority Critical patent/CN108926944A/en
Publication of CN108926944A publication Critical patent/CN108926944A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of devices for separating particles from gases or vapours
    • B01D50/006Combinations of devices relating to groups B01D46/00 and B01D47/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases

Abstract

The invention discloses a kind of industrial waste gas circulating purifying devices, including tower body, air inlet pipe and water tank, the water tank is arranged in tower body inner bottom, the air inlet pipe is connected to inside water tank, the left upper end of the water tank is provided with water inlet pipe, the lower end of the water tank is provided with sewage draining exit, the tower body is internally provided with lower sparge pipe, the upper end of the lower sparge pipe is provided with lower screen, the upper end of the lower screen is provided with upper screen, top inside the tower body is provided with except water layer, the upper end of the tower body is provided with blower, the upper end of the blower is connected with detector, water pump is provided on the right side of the tower body, the water pump connects water tank by water pipe.The present invention designs advantages of simple in structure, and the gas of pollution is generally had in tail gas, and detector can further purify tail gas, and tail gas is avoided to pollute air, has environmental-protection function.

Description

A kind of industrial waste gas circulating purifying device

Technical field

The present invention relates to a kind of purification device, specifically a kind of industrial waste gas circulating purifying device.

Background technique

Absorption tower is the equipment for realizing absorption operation.It is divided into three classes by the gas-liquid form that is in contact.The first kind is gas with gas Steep plate column, bubble absorbing tower, the stirring bubble absorbing tower of form dispersion in the liquid phase;Second class is that liquid is dispersed with droplet-like Injector, Venturi tube, spray tower in the gas phase;Third class is the packing material absorbing that liquid is contacted with membranaceous movement with gas phase Tower and film-falling absorption tower.In tower the type of flow of gas-liquid two-phase can adverse current can also cocurrent.Generally use counter-current operation, absorbent It being flowed from above to below with tower top addition, is contacted with the gas flowed from bottom to top, the liquid for absorbing absorbent is discharged from tower bottom, Purified gas is discharged from tower top.

Currently, the absorption to the tail gas that reaction process generates is directly to rush pump with water to absorb in Chemical Manufacture, it is easy It pollutes the environment, and corrodes production equipment, and cannot impurity in effective cleaning of off-gas.Therefore, those skilled in the art Member provides a kind of industrial waste gas circulating purifying device, to solve the problems mentioned in the above background technology.

Summary of the invention

The purpose of the present invention is to provide a kind of industrial waste gas circulating purifying devices, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the invention provides the following technical scheme:

A kind of industrial waste gas circulating purifying device, including tower body, air inlet pipe and water tank, the water tank are arranged in tower body inner bottom End, the air inlet pipe are connected to inside water tank, and the left upper end of the water tank is provided with water inlet pipe, and the lower end of the water tank is provided with Sewage draining exit, the tower body are internally provided with lower sparge pipe, and the upper end of the lower sparge pipe is provided with lower screen, lower layer's filter The upper end of net is provided with upper screen, and the upper end of the upper screen is provided with sparge pipe, and lower sparge pipe and upper sparge pipe On be provided with several fog-spray nozzles, the upper portion side wall of upper sparge pipe is equipped with the backwind tube bent downward, the other end of backwind tube Connect air inlet pipe, return air motor be equipped in the middle part of backwind tube, the top inside the tower body is provided with except water layer, the tower body it is upper End is provided with blower, and the upper end of the blower is connected with detector, and the right end of the detector is connected with exhaust outlet, Be provided with water pump on the right side of the tower body, the water pump connects water tank by water pipe, and water pipe with upper sparge pipe and lower water spray Pipe is connected.

As a further solution of the present invention: the upper filter screen includes frame and filter screen, and the filter screen is mounted on In frame, filter screen is to be superimposed the block structure formed by multiple undulatory filter screen matrixes, and the surface of filter screen is uniform Equipped with multiple apertures.

As a further solution of the present invention: the detector includes sensor P, LED light H and relay J, resistance One end of R1 connects the foot 1 of resistance R3, capacitor C1, capacitor C3, the emitter of triode V1, LED light H and gas sensor P, electricity The other end for holding C1 connects the emitter and air-sensitive of the contact J-1 of relay J, a fixing end of potentiometer RP1, triode V3 The foot 2 of sensor P, the foot 4 of the other end connection gas sensor P of LED light H, the foot 3 of gas sensor P connect potentiometer RP1 Another fixing end, the base stage of the sliding end connecting triode V3 of potentiometer RP1, the collector of triode V1 connects capacitor C2 With relay J, the emitter of the other end connecting triode V2 of relay J and the collector of triode V3, the base of triode V1 Pole connects resistance R2, the collector of the other end connection capacitor C3 and triode V2 of resistance R2, and the base stage of triode V2 connects electricity Hold the other end of C2 and the other end of resistance R3, the model QM-N5 of gas sensor P.

As a further solution of the present invention: the upper screen is identical with the structure of lower screen.

As a further solution of the present invention: the mesh radius of the upper screen is less than the mesh radius of lower screen.

As further scheme of the invention: the upper cover of the water tank is arranged to reticular structure.

As further scheme of the invention: the fog-spray nozzle is arranged to high-pressure fog head.

Compared with prior art, the beneficial effects of the present invention are:

Present invention exhaust treatment efficiency with higher, tail gas enter water tank from air inlet pipe, and the water in water tank, which has tail gas, to be removed The function of dirt filtering, can remove biggish impurity in tail gas, preliminary filtering be carried out to tail gas, tail gas is under the action of pressure It is risen from the inside of water tank, during rise, fog-spray nozzle carries out spraying treatment to gas, can make remaining miscellaneous in gas Matter is influenced by fog, can be wrapped up, and fall in water tank, is furthermore achieved to tail by fog after impurity contact fog The removal of impurities of gas acts on, and upper screen and lower screen can further remove impurity and water mist in tail gas, and, filter screen is adopted It is superimposed to be formed with multiple undulatory filter screen matrixes, and is uniformly distributed aperture, so that connecing in waste gas treatment process Contacting surface product is bigger, and reaction effect is more good, except water layer can remove the fog having in gas, gas after primary purification When still reaching to less than discharge standard, circulating purification can also be carried out by backwind tube, there is environmental-protection function.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of industrial waste gas circulating purifying device.

Fig. 2 is the structure chart of upper screen.

Fig. 3 is the circuit diagram of detector.

In figure: sparge pipe under 1- tower body, 2- air inlet pipe, 3- water tank, 4- sewage draining exit, 5- water inlet pipe, 6- water pipe, 7-, on 8- Sparge pipe, 9- fog-spray nozzle, 10- lower screen, 11- upper screen, 12- water pump, 13- remove water layer, 14- blower, 15- gas detection Device, 16- exhaust outlet, 17- frame, 18- filter screen, 19- aperture, 20- muffler, 21- return air motor.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Please refer to Fig. 1-3, in the embodiment of the present invention, a kind of industrial waste gas circulating purifying device, including tower body 1, air inlet pipe 2 With water tank 3, the water tank 3 is arranged in 1 inner bottom of tower body, and the air inlet pipe 2 is connected to inside water tank 3, a left side for the water tank 3 Upper end is provided with water inlet pipe 5, and the lower end of the water tank 3 is provided with sewage draining exit 4, and the tower body 1 is internally provided with lower sparge pipe 7, The upper end of the lower sparge pipe 7 is provided with lower screen 10, and the upper end of the lower screen 10 is provided with upper screen 11, described The upper end of upper screen 11 is provided with sparge pipe 8, and several fog-spray nozzles 9 are provided on lower sparge pipe 7 and upper sparge pipe 8, The upper portion side wall of upper sparge pipe 8 is equipped with the backwind tube 20 bent downward, and the other end of backwind tube 20 connects air inlet pipe 2, return air Return air motor 21 is equipped in the middle part of pipe 20, the top inside the tower body 1 is provided with except water layer 13, and the upper end of the tower body 1 is arranged There is blower 14, the upper end of the blower 14 is connected with detector 15, and the right end of the detector 15 is connected with exhaust Mouthfuls 16, the right side of the tower body 1 is provided with water pump 12, and the water pump 12 connects water tank 3 by water pipe 6, and water pipe 6 with upper spray Water pipe 8 is connected with lower sparge pipe 7, and the upper filter screen 11 includes frame 17 and filter screen 18, and the filter screen 18 is mounted on In frame 17, filter screen 11 is to be superimposed the block structure formed, the surface of filter screen 11 by multiple undulatory filter screen matrixes Multiple apertures are uniformly equipped with, the upper screen 11 is identical with the structure of lower screen 10, and the mesh of upper screen 11 Radius is less than the mesh radius of lower screen 10.

The working principle of the invention is:

The present invention relates to a kind of industrial waste gas circulating purifying device, tail gas enters water tank 3 from air inlet pipe 2, and the water in water tank 3 is to tail Gas has the function of dust removal and filtration, can remove biggish impurity in tail gas, preliminary filtering be carried out to tail gas, tail gas is in pressure Under the action of from the inside of water tank 3 rise, during rise, fog-spray nozzle 9 to gas carry out spraying treatment, gas can be made In remaining impurity influenced by fog, can be wrapped up, and fall in water tank 3, into one by fog after impurity contact fog Step realizes the effect of the removal of impurities to tail gas, and upper screen 11 and lower screen 10 can further remove impurity in tail gas and Water mist generally has the gas of pollution, detector except water layer 13 can remove the fog having in gas in tail gas 15 can detect tail gas, if gas is still reached to less than discharge standard, by backwind tube 20 and return air fan 21 into Row circulating purification avoids tail gas from polluting air until gas reaches purification standard, has environmental-protection function.

The principle of detector 15 as shown in figure 3, when pernicious gas is not detected in gas sensor P, 1,3 feet it Between be in high-impedance state, triode V3 is in off state, and relay J is failure to actuate, and LED light H does not work.When harmful gas in laboratory When bulk concentration is more than limit standard, the internal resistance between gas sensor 1,3 feet declines, and increase current potential at the center potentiometer RP1, Triode V3 conducting, the oscillator oscillatory work being made of V1, V2, R2, R3, C2, C3 and relay J, relay J interval are dynamic Make, make LED light H flashing, needs to open return air fan 21 at this time and carry out circulating purification.

Present invention exhaust treatment efficiency with higher, tail gas enter water tank from air inlet pipe, and the water in water tank has tail gas There is the function of dust removal and filtration, biggish impurity in tail gas can be removed, preliminary filtering, work of the tail gas in pressure are carried out to tail gas It is risen under from the inside of water tank, during rise, fog-spray nozzle carries out spraying treatment to gas, can make to remain in gas Impurity influenced by fog, can be wrapped up by fog after impurity contact fog, and fall in water tank, be furthermore achieved Removal of impurities effect to tail gas, and upper screen and lower screen can further remove impurity and water mist in tail gas, and, filtering Net is superimposed to be formed using multiple undulatory filter screen matrixes, and is uniformly distributed aperture, so that in waste gas treatment process Contact area it is bigger, reaction effect is more good, except water layer can remove the fog having in gas, after primary purification When gas is still reached to less than discharge standard, circulating purification can also be carried out by backwind tube, there is environmental-protection function.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of industrial waste gas circulating purifying device, including tower body (1), air inlet pipe (2) and water tank (3), which is characterized in that described Water tank (3) is arranged in tower body (1) inner bottom, and the air inlet pipe (2) is connected to water tank (3) inside, the upper left of the water tank (3) End is provided with water inlet pipe (5), and the lower end of the water tank (3) is provided with sewage draining exit (4), and the tower body (1) is internally provided with lower spray The upper end of water pipe (7), the lower sparge pipe (7) is provided with lower screen (10), and the upper end of the lower screen (10) is provided with The upper end of upper screen (11), the upper screen (11) is provided with sparge pipe (8), and lower sparge pipe (7) and upper sparge pipe (8) it is provided on several fog-spray nozzles (9), the upper portion side wall of upper sparge pipe (8) is equipped with the backwind tube (20) bent downward, returns The other end of air hose (20) connects air inlet pipe (2), is equipped with return air motor (21) in the middle part of backwind tube (20), and the tower body (1) is internal Top be provided with except water layer (13), the upper end of the tower body (1) is provided with blower (14), the connection of the upper end of the blower (14) Have detector (15), the right end of the detector (15) is connected with exhaust outlet (16), is set on the right side of the tower body (1) Be equipped with water pump (12), the water pump (12) by water pipe (6) connection water tank (3), and water pipe (6) with upper sparge pipe (8) and under Sparge pipe (7) is connected.
2. industrial waste gas circulating purifying device according to claim 1, which is characterized in that the upper filter screen (11) includes Frame (17) and filter screen (18), the filter screen (18) are mounted in frame (17), and filter screen (11) is by multiple corrugated Filter screen matrix be superimposed the block structure to be formed, the surface of filter screen (11) is uniformly equipped with multiple apertures.
3. industrial waste gas circulating purifying device according to claim 1, which is characterized in that detector (15) packet Include sensor P, LED light H and relay J, the transmitting of one end connection the resistance R3, capacitor C1, capacitor C3, triode V1 of resistance R1 The foot 1 of pole, LED light H and gas sensor P, the one of the other end connection contact J-1 of relay J of capacitor C1, potentiometer RP1 The foot 2 of a fixing end, the emitter of triode V3 and gas sensor P, the foot of the other end connection gas sensor P of LED light H The foot 3 of 4, gas sensor P connect another fixing end of potentiometer RP1, the sliding end connecting triode V3's of potentiometer RP1 The collector of base stage, triode V1 connects capacitor C2 and relay J, the emitter of the other end connecting triode V2 of relay J With the collector of triode V3, the base stage of triode V1 connects resistance R2, the other end connection capacitor C3 and triode of resistance R2 The collector of V2, the other end of the base stage connection capacitor C2 of triode V2 and the other end of resistance R3, the model of gas sensor P For QM-N5.
4. industrial waste gas circulating purifying device according to claim 1, which is characterized in that the upper screen (11) and under The structure of layer strainer (10) is identical.
5. industrial waste gas circulating purifying device according to claim 1, which is characterized in that the net of the upper screen (11) Pore radius is less than the mesh radius of lower screen (10).
6. industrial waste gas circulating purifying device according to claim 1, which is characterized in that the upper cover of the water tank (3) is set It is set to reticular structure.
7. industrial waste gas circulating purifying device according to claim 1, which is characterized in that the fog-spray nozzle (9) is arranged to High-pressure fog head.
CN201810852052.XA 2018-07-30 2018-07-30 A kind of industrial waste gas circulating purifying device CN108926944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810852052.XA CN108926944A (en) 2018-07-30 2018-07-30 A kind of industrial waste gas circulating purifying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810852052.XA CN108926944A (en) 2018-07-30 2018-07-30 A kind of industrial waste gas circulating purifying device

Publications (1)

Publication Number Publication Date
CN108926944A true CN108926944A (en) 2018-12-04

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CN201810852052.XA CN108926944A (en) 2018-07-30 2018-07-30 A kind of industrial waste gas circulating purifying device

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104597084A (en) * 2013-11-03 2015-05-06 四川宝英光电有限公司 Simple gas detector for exhaust gas treatment
US20150145152A1 (en) * 2013-11-25 2015-05-28 Seung Wook Choi Scrubber with multi-filtering system
CN205435453U (en) * 2016-04-01 2016-08-10 天津同益环保设备有限公司 A clarifier for administering multiple acid waste gas that contains
CN106140330A (en) * 2016-08-08 2016-11-23 贾春行 Downward blowing waste gas purification ventilated chamber and control method thereof
CN206325346U (en) * 2016-12-02 2017-07-14 江西德盛精细化学品有限公司 A kind of new and effective tail gas absorber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104597084A (en) * 2013-11-03 2015-05-06 四川宝英光电有限公司 Simple gas detector for exhaust gas treatment
US20150145152A1 (en) * 2013-11-25 2015-05-28 Seung Wook Choi Scrubber with multi-filtering system
CN205435453U (en) * 2016-04-01 2016-08-10 天津同益环保设备有限公司 A clarifier for administering multiple acid waste gas that contains
CN106140330A (en) * 2016-08-08 2016-11-23 贾春行 Downward blowing waste gas purification ventilated chamber and control method thereof
CN206325346U (en) * 2016-12-02 2017-07-14 江西德盛精细化学品有限公司 A kind of new and effective tail gas absorber

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