CN115301037A - High-efficient purifying column of industry VOCs waste gas - Google Patents
High-efficient purifying column of industry VOCs waste gas Download PDFInfo
- Publication number
- CN115301037A CN115301037A CN202210444468.4A CN202210444468A CN115301037A CN 115301037 A CN115301037 A CN 115301037A CN 202210444468 A CN202210444468 A CN 202210444468A CN 115301037 A CN115301037 A CN 115301037A
- Authority
- CN
- China
- Prior art keywords
- adsorption
- flow
- tower
- filter screen
- real
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/06—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention provides an industrial VOCs waste gas high-efficiency purification tower, which comprises: the device comprises a tower body, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein a dredging area and a processing area are arranged in the tower body; the treatment area is at least provided with two treatment units, each treatment unit is provided with a control valve, the control valve is connected to the gathering tank through an output pipeline and an electromagnetic valve, the air inlet end of the gathering tank is connected to the waste gas collecting device through a conveying pipeline, and the conveying pipeline is provided with a first flow collector; and a control device; the invention can dynamically distribute and start and stop one or more processing units according to the flow by monitoring the real-time flow before being input into the purification tower in real time, converting the real-time flow into analog data and distributing and starting and stopping the one or more processing units according to the flow, thus, when the flow is increased, the flow is shunted and processed by different processing units simultaneously, and each processing unit can be maintained under high-efficiency adsorption.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to an efficient purification tower for industrial VOCs waste gas.
Background
Volatile organic compounds are generally referred to as VOCs for short, low-fat alcohol is used as a type of volatile gas, belongs to the class of VOCs, causes air pollution and harms human health when being directly discharged into the air, and the existing mode basically adopts a purification tower to carry out effective adsorption and then carries out desorption, post-treatment and recycling on the adsorbed VOCs.
For example in the disclosed technology: the publication number is 'CN 106861363A' a use method of spiral stepped fin tower for purifying VOCs waste gas. Comprises a tower body component, a slag discharge turntable component, a carrier roller component and a use method of a bearing platform. Spiral delivery and tower reaction theory of operation are effectual to be combined together, utilize spiral delivery can be fine to solve under the sealed condition adsorbent continuously remove and tower reactor have the looks area of contact big, the higher advantage of mass transfer efficiency, can realize that the adsorbent packs and continuously keeps the looks contact with VOCs waste gas to in time break away from the contact when the saturation, solve continuously under the continuous production condition and purify VOCs waste gas technical problem.
In the process of the adsorption, the adsorbent is effectively contacted with the waste gas, so that the aim of efficient adsorption is fulfilled. However, since the generation of the exhaust gas has an unstable characteristic, after the exhaust gas is input into the purification tower, if the input flow rate of the exhaust gas is not large, the purification tower can ensure efficient adsorption, once the flow rate of the exhaust gas is increased, a large amount of exhaust gas rushing into the purification tower is accumulated on the surface of the adsorbent, and a dynamic balance process is performed, and once the flow rate is increased again, the dynamic balance cannot be maintained, and a large amount of exhaust gas cannot be adsorbed and is directly discharged.
Disclosure of Invention
In view of this, the main objective of the present invention is to provide a high-efficiency purification tower for industrial VOCs waste gas.
The technical scheme adopted by the invention is as follows:
an efficient purification tower for industrial VOCs waste gas, comprising:
the tower body is provided with a tower body,
a dredging area and a processing area are arranged in the tower body;
the treatment area is at least provided with two treatment units, each treatment unit is provided with a control valve, the control valve is connected to the gathering tank through an output pipeline and an electromagnetic valve, the air inlet end of the gathering tank is connected to the waste gas collecting device through a conveying pipeline, and the conveying pipeline is provided with a first flow collector;
and a control device;
the control device receives a first real-time flow of the conveying pipeline collected by the first flow collector, converts the first real-time flow into an analog signal to obtain real-time first analog data, judges a regulating instruction corresponding to the analog data in a control plan according to the control plan set by the calling storage part corresponding to the first analog data, and selectively drives the opening and closing of at least one electromagnetic valve by the control device according to the regulating instruction to regulate the flow distribution condition of the waste gas passing through the output end of the gathering tank so as to synchronously regulate the treatment working condition of the treatment unit, so that the treatment unit is under an unsaturated treatment working condition.
Furthermore, a separation plate is arranged between the dredging area and the treating area, a vent hole area is arranged on the separation plate, the vent hole area is correspondingly arranged on one side of each treating unit close to the dredging area, and the vent hole area is used for leading the gas after adsorption and purification to the dredging area through the vent hole area and then flowing to an exhaust port arranged at the upper part of the tower body through the dredging area to be exhausted.
Furthermore, a second flow collector is arranged at an air inlet of the control valve, a control device receives second real-time flow at the air inlet of the control valve collected by the second flow collector in real time and converts the second real-time flow into an analog signal to obtain real-time second analog data, and the control device controls the valve rod of the control valve to move to open and close the pressurizing end according to the second analog data so as to adjust jet pressure of gas flowing out of the control valve.
Further, the processing unit includes:
the base plate is used for sealing and arranged in the treatment area and fixed with the inner wall of the tower body and the partition plate;
the movable plate is used for moving, two sides of the movable plate are fixed in the sliding grooves, and a group of sliding grooves are arranged and respectively and correspondingly arranged on the inner wall of the tower body and the partition plate;
a moving cylinder is arranged on the upper part of the moving plate, a cylinder push rod of the moving cylinder is fixed with the upper part of the moving plate,
a plurality of adsorption components which are uniformly arranged are arranged between the moving plate and the base plate;
the adsorption component is composed of a plurality of adsorption nets and is in a diamond shape;
the left side and the right side of the adsorption nets are overlapped, bonded and fixed;
the middle of the adsorption net is fixed by an elastic rope and is connected in series by the elastic rope;
the upper part of the elastic rope is fixed on the movable plate; the lower part of the elastic rope is fixed on a spring which is fixed on the base plate;
when carrying out the adsorption treatment, controlling means control and remove the cylinder and promote the push rod and drive the movable plate along the gentle reciprocating of spout, reciprocating of movable plate stimulates the elastic rope and drives the adsorption net and carry out mild vibrations from top to bottom, and the VOCs in the waste gas is adsorbed in the adsorption net, and processing unit dredges the gas after adsorbing the purification to the district of dredging through the vent hole region, and the gas vent that flows to tower body upper portion through the district of dredging discharges.
Further, the adsorption net comprises:
the device is provided with a steel wire mesh,
the upper part and the lower part of the steel wire mesh are respectively provided with an upper adsorption film and a lower adsorption film with different apertures;
a lower filter screen is arranged at the lower part of the lower adsorption film;
an upper filter screen is arranged on the upper part of the upper adsorption film;
the lower filter screen is bonded on the edge of the lower adsorption film;
the upper filter screen is bonded on the edge of the upper adsorption film.
Further, the lower filter screen is connected to the edge of the lower adsorption film and the lower filter screen is loose on the surface of the lower adsorption film; the upper filter screen is connected with the edge of the upper adsorption film, and the upper filter screen is in a loose state on the surface of the upper adsorption film.
Furthermore, the steel wire mesh is provided with criss-cross support columns, and the elastic ropes are fixed on the support columns.
Furthermore, the upper adsorption film and the lower adsorption film are respectively provided with honeycomb type adsorption holes, adsorbents are placed in the adsorption holes, and selective permeability films are respectively bonded on the surfaces of the upper adsorption film and the lower adsorption film.
Further, the control valve comprises a shell, a valve body arranged in the shell, a jet flow through hole is formed in the middle of the valve body and connected through an air inlet pipeline, the air inlet pipeline is arranged on the shell, a second flow collector is arranged on the air inlet pipeline, a pressurizing hole which is obliquely arranged downwards is formed in the middle of the valve body and communicated with the jet flow through hole, a control cylinder is arranged on the right side of the valve body, a through hole is formed in the right side of the valve body, a cylinder push rod of the control cylinder is arranged in the through hole, and the cylinder push rod is driven by the control cylinder to be used for opening or closing the pressurizing hole.
Further, the air outlet end of the jet flow through hole is arranged in a horn shape.
The invention can dynamically distribute and start and stop one or more processing units according to the flow by monitoring the real-time flow before being input into the purification tower in real time, converting the real-time flow into analog data and distributing and starting and stopping the one or more processing units according to the flow, thus, when the flow is increased, the flow is shunted and processed by different processing units simultaneously, and each processing unit can be maintained under high-efficiency adsorption.
In the adsorption process, the control device controls the moving cylinder to push the push rod to drive the moving plate to move up and down gently along the sliding groove, the moving plate moves up and down to pull the elastic rope to drive the adsorption net to vibrate up and down gently, and VOCs in the waste gas are adsorbed in the adsorption net. Wherein, the adsorption net has contained filter screen and adsorption film, be provided with the absorption hole of honeycomb formula on adsorption film, and it has the permselectivity membrane to adhere to on adsorption film, the filter screen can effectually get rid of the granule impurity that contains in waste gas, permselectivity membrane is to allowing volatile organic compounds and containing the permeation through of volatile organic compounds in steam, particulate matter and dust then can not see through, ensured in the adsorption process, the effectual volatile organic compounds that adsorb of adsorption film, other impurity has been filtered, this volatile organic compounds who obtains when also being favorable to the later stage analysis do not contain impurity, need not carry out filtration treatment.
At the vibrations in-process of carrying on gently from top to bottom, upper and lower adjacent absorption net can form to divide and shut and be similar to the state of vibrations to absorption process with higher speed because the filter screen on surface is in loose form, and at the vibrations in-process of gently about carrying on, the filter screen can swing on filtration membrane's surface, can accelerate the quick filter screen that sees through of gas, makes a large amount of gas can not gather on the surface of filter screen.
Drawings
The invention is illustrated and described only by way of example and not by way of limitation in the scope of the invention as set forth in the following drawings, in which:
FIG. 1 is a flow chart of the present invention;
fig. 2 is a schematic diagram of the framework of the present invention.
FIG. 3 is a schematic diagram illustrating coverage of detection ranges after the touch electrodes are arranged according to the present invention;
fig. 4 is a schematic diagram of the design of the touch pressure sensing unit according to the present invention.
FIG. 5 is a layout view of the vent hole area in the present invention.
Detailed Description
In order to make the objects, technical solutions, design methods, and advantages of the present invention more apparent, the present invention will be further described in detail by specific embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
An efficient purification tower for industrial VOCs waste gas, comprising:
the body of the tower 14 is,
a dredging area 15 and a processing area are arranged inside the tower body 14;
the treatment area is at least provided with two treatment units, each treatment unit is provided with a control valve, the control valve is connected to the gathering tank through an output pipeline and an electromagnetic valve, the air inlet end of the gathering tank is connected to the waste gas collecting device through a conveying pipeline, and the conveying pipeline is provided with a first flow collector;
and a control device 3;
the control device 3 receives the first real-time flow of the conveying pipeline collected by the first flow collector 1, converts the first real-time flow into an analog signal to obtain real-time first analog data, judges a regulating instruction corresponding to the analog data in a control plan according to the control plan set by the calling storage part corresponding to the first analog data, and selectively drives the opening and closing of at least one electromagnetic valve by the control device according to the regulating instruction to regulate the shunting condition of the waste gas passing through the output end of the collecting tank so as to synchronously regulate the treatment working condition of the treatment unit, so that the treatment unit is under the unsaturated treatment working condition.
In some embodiments, such as shown in fig. 1, the processing area is provided with 3 independent and isolated processing units, namely an upper processing unit, a middle processing unit 10 and a lower processing unit 12, real-time flow before being input into the purification tower is monitored in real time, the real-time flow is converted into analog data, and one or more of the upper processing unit, the middle processing unit 10 and the lower processing unit 12 can be dynamically distributed and switched on or off according to the flow, so that when the flow is increased, and the flow is divided and is simultaneously processed by at least two of the upper processing unit, the middle processing unit 10 and the lower processing unit 12, any one of the upper processing unit, the middle processing unit 10 and the lower processing unit 12 can be maintained under high-efficiency adsorption.
In the above, the partition plate 13 is disposed between the dredging region 15 and the treating region, the partition plate 13 is provided with the vent hole region 130, the vent hole region 130 is correspondingly disposed on one side of each treating unit near the dredging region 15, and the vent hole region 130 is used for the treating unit to dredge the gas after adsorption and purification to the dredging region 15 through the vent hole region, and then the gas flows to the exhaust port disposed at the upper portion of the tower body through the dredging region 15 to be exhausted.
According to the above description, in some embodiments, the control plan may be set according to the comparison of the first analog data with a plurality of set thresholds, for example, assuming that the saturation state of one processing unit is a flow rate of 1 unit, when the first analog data is smaller than the flow rate of 1 unit, the control device only needs to open any one of the upper processing unit, the middle processing unit 10 and the lower processing unit 12, for example, open the lower processing unit 12, at which time the first electromagnetic valve 6 is in an open state, and the exhaust gas is input to the first control valve 8 through the collecting tank 4 and the first output pipeline 7. In this process, if the first analog data is less than 0.5 units of flow rate, at which the pressure entering the lower processing unit 12 from the first control valve 8 is too low, the control device 3 controls the booster pump 2 to boost the first control valve 8 to increase the pressure of the exhaust gas introduced through the jet through hole of the first control valve 8, thereby increasing and maintaining the pressure balance of the lower processing unit 12. When the first analog data is larger than 1 unit of flow, for example, 1.5 units of flow, the lower processing unit 12 is in an oversaturated processing state, at this time, the control device 3 controls the opening of the second electromagnetic valve 5, a part of the exhaust gas is input to the second control valve 9 through the accumulation tank 4 and the second output pipeline 9, and then enters the middle processing unit 10 through the second control valve 9, at this time, the exhaust gas is approximately equally distributed in the middle processing unit 10 and the lower processing unit 12, and both the middle processing unit 10 and the lower processing unit 12 are in an unsaturated processing condition.
Of course, the above-described embodiments include many more allocation schemes. The principle is equivalent to the above.
In the above, a second flow collector is arranged at the air inlet of the control valve, the control device receives second real-time flow at the air inlet of the control valve collected by the second flow collector in real time, converts the second real-time flow into an analog signal to obtain real-time second analog data, and controls the valve rod of the control valve to move to open and close the pressurizing end according to the second analog data so as to adjust the jet pressure of the gas flowing out through the control valve. For example, assuming that the saturation state of one processing unit is a flow rate of 1 unit, in the process, if the first simulation data is less than a flow rate of 0.5 unit, at this time, the pressure entering the lower processing unit 12 from the first control valve 8 is too low, at this time, the control device 3 controls the booster pump 2 to boost the pressure of the exhaust gas introduced through the jet through hole of the first control valve 8, so as to increase the pressure balance of the lower processing unit 12.
In the above, the upper processing unit, the middle processing unit 10 and the lower processing unit 12 are all the same in structure, and include:
a base plate 100 for sealing, the base plate 100 being disposed in the processing area and fixed to an inner wall of the tower 14 and the partition plate 13;
the movable moving plate 104 is used for moving, two sides of the moving plate 104 are fixed in the sliding grooves 18, and a group of sliding grooves 18 are respectively and correspondingly arranged on the inner wall of the tower body and the partition plate 13;
a moving cylinder 106 is provided on the upper portion of the moving plate 104, a cylinder rod 105 of the moving cylinder 106 is fixed to the upper portion of the moving plate 104,
a plurality of adsorption assemblies 102 which are uniformly arranged are arranged between the moving plate 104 and the base plate 100; the adsorption component 102 is composed of a plurality of adsorption nets, and the adsorption component is diamond-shaped;
the left side and the right side of the adsorption nets are overlapped, bonded and fixed;
the middle of the adsorption net is fixed by an elastic rope 103 and is connected in series by the elastic rope 103;
the upper part of the elastic rope 103 is fixed on the movable plate 104; the lower part of the elastic rope is fixed on a spring 101 which is fixed on a base plate 100;
in the above, the elastic cord 103 is divided into two sections, and the plurality of adsorption nets are divided into two sections, and generally connected in series by an upper elastic cord, and fixed at the bottom of the moving plate 104 after being connected in series, and when the specific fixing is performed, a hook may be arranged at the bottom of the moving plate 104 for fixing, or a fixing ring may be used, which is not limited in the present application. The other half is a plurality of the absorption net is concatenated by lower elastic rope, concatenates the after-fixing on the spring, when moving plate 104 moves up, goes up elastic rope and drives its a plurality of absorption nets that concatenate rebound, goes up the space between a plurality of absorption nets that elastic rope concatenated this moment and increases gradually, and when continuing the pulling, all a plurality of the absorption net will drive another half a plurality of because the left and right sides is fixed the absorption net shifts up and gradually enlarges distance each other, at this moment, is favorable to waste gas exchange absorption. When the moving plate 104 moves downward, all the adsorption nets retract and gradually get close to each other, so that the reciprocating motion is like vibration.
When adsorption treatment is carried out, the control device 3 controls the moving cylinder to push the push rod to drive the moving plate 104 to move gently up and down along the sliding groove 18, the moving plate 104 moves up and down to pull the elastic rope to drive the adsorption net to vibrate gently up and down, VOCs in waste gas are adsorbed in the adsorption net, and the treatment unit conducts the adsorbed and purified gas to the dredging area through the vent hole area and then flows to the exhaust port arranged at the upper part of the tower body through the dredging area to be discharged.
In the above, the adsorption net comprises:
having a steel mesh 202 formed of a steel wire,
an upper adsorption film 203 and a lower adsorption film 201 with different apertures are respectively arranged at the upper part and the lower part of the steel wire mesh 202;
a lower filter screen 200 is arranged at the lower part of the lower adsorption film 201;
an upper filter screen 204 is arranged on the upper part of the upper adsorption film 203;
the lower filter screen 200 is adhered to the edge of the lower adsorption film 202, the middle portions are not connected with each other,
the upper filter screen 204 is adhered to the edge of the upper adsorption film 203, and the middle portions are not connected to each other.
In the above, the lower filter screen 200 is bonded to the edge of the lower adsorption film and the lower filter screen is loose on the surface of the lower adsorption film; the upper filter screen 204 is connected to the edge of the upper adsorption film and is in a loose state on the surface of the upper adsorption film.
In the above, the steel wire mesh 202 has criss-cross supporting columns, and the elastic ropes are fixed on the supporting columns.
In the above, in the adsorption process, the control device 3 controls the moving cylinder to push the push rod to drive the moving plate to move up and down gently along the sliding groove, the moving plate 104 moves up and down to pull the elastic rope to drive the adsorption net to vibrate up and down gently, and the VOCs in the exhaust gas are adsorbed in the adsorption net. Wherein, the adsorption net has contained filter screen and adsorption film, be provided with the absorption hole of honeycomb on adsorption film, and be attached to the permselectivity membrane on adsorption film, the filter screen can effectual the granule impurity that contains in waste gas of getting rid of, permselectivity membrane to the permeability that allows volatile organic compounds and contain the volatile organic compounds in steam, particulate matter and dust then can not see through, ensured in the adsorption process, the effectual adsorption volatile organic compounds of adsorption film, other impurity has been filtered, this volatile organic compounds who obtains when also being favorable to the later stage analysis do not contain impurity, need not carry out filtration treatment.
In the vibrations in-process of mild about going on, the adjacent adsorption network of upper and lower can form the state that divides the branch to shut and close and be similar to vibrations to absorption process with higher speed because the filter screen on surface is in loose form, at the vibrations in-process of mild about going on, the filter screen can swing on filtration membrane's surface, can accelerate the quick filter screen that sees through of gas, makes a large amount of gases can not gather on the surface of filter screen.
In the above, the upper and lower adsorption films are respectively provided with honeycomb-type adsorption holes, an adsorbent is placed in the adsorption holes, and selectively permeable films are respectively bonded to the surfaces of the upper and lower adsorption films.
In the above description, the filter mesh (upper filter mesh or lower filter mesh) is made of at least carbon fiber filaments, and the adsorption film may be formed by depositing activated carbon or molecular sieve on the fiber film, for example, by coating the fiber film with doped glue or by magnetron sputtering.
The permselective membrane can selectively utilize a mode of limiting the permeation aperture, so that macromolecular impurities cannot permeate through the permselective membrane by limiting the aperture, and only volatile organic compounds and volatile organic compounds contained in water vapor are allowed to permeate through the permselective membrane.
Referring to fig. 4, the control valve includes a housing 303, a valve body 302 disposed in the housing, a jet flow through hole 300 is disposed in the middle of the valve body 302, the jet flow through hole 300 is connected through an air inlet pipe 307, the air inlet pipe 307 is disposed on the housing, a second flow collector 308 is disposed on the air inlet pipe, a pressure increasing hole 304 disposed obliquely downward is disposed in the middle of the valve body, the pressure increasing hole is communicated with the jet flow through hole, a control cylinder 306 is disposed on the right side of the valve body, a through hole is disposed on the right side of the valve body, a cylinder push rod 305 of the control cylinder is disposed in the through hole, and the cylinder push rod is driven by the control cylinder to open or close the pressure increasing hole. The air outlet end of the jet flow through hole is arranged in a horn shape. The control device controls the valve rod of the control valve to move so as to open and close the pressurizing end to adjust the jet pressure of gas flowing out through the control valve according to the second analog data. For example, assuming that the saturation state of one processing unit is a flow rate of 1 unit, in the process, if the first analog data is less than a flow rate of 0.5 unit, at this time, the pressure entering the lower processing unit 12 from the first control valve 8 is too low, at this time, the control device 3 controls the booster pump 2 to boost the pressure of the exhaust gas introduced through the jet through hole of the first control valve 8, so as to increase the pressure of the exhaust gas introduced through the jet through hole of the first control valve 8, thereby increasing and maintaining the pressure balance of the lower processing unit 12.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The utility model provides a high-efficient purifying column of industry VOCs waste gas which characterized in that includes:
the tower body is provided with a tower body,
a dredging area and a processing area are arranged in the tower body;
the treatment area is at least provided with two treatment units, each treatment unit is provided with a control valve, the control valve is connected to the gathering tank through an output pipeline and an electromagnetic valve, the air inlet end of the gathering tank is connected to the waste gas collecting device through a conveying pipeline, and the conveying pipeline is provided with a first flow collector;
and a control device;
the control device receives a first real-time flow of the conveying pipeline collected by the first flow collector, converts the first real-time flow into an analog signal to obtain real-time first analog data, judges a control instruction corresponding to the analog data in a control plan according to the control plan set by the calling storage part corresponding to the first analog data, and controls the flow distribution condition of the waste gas passing through the output end of the collecting tank by selectively driving the on-off of at least one electromagnetic valve according to the control instruction so as to synchronously adjust the treatment working condition of the treatment unit, so that the treatment unit is under an unsaturated treatment working condition.
2. The tower of claim 1, wherein a partition plate is disposed between the dredging region and the treating region, and a vent hole region is disposed on the partition plate, and the vent hole region is correspondingly disposed on a side of each treating unit near the dredging region, and the vent hole region is used for the treating unit to conduct the adsorbed and purified gas to the dredging region through the vent hole region, and then to the exhaust port disposed at the upper portion of the tower body through the dredging region.
3. The tower of claim 1, wherein a second flow collector is disposed at an air inlet of the control valve, the control device receives a second real-time flow at the air inlet of the control valve collected by the second flow collector in real time, converts the second real-time flow into an analog signal to obtain real-time second analog data, and controls a valve rod of the control valve to move according to the second analog data to open and close a pressure boost port to adjust a jet pressure of gas flowing out through the control valve.
4. The tower of claim 1, wherein the treatment unit comprises:
the base plate is used for sealing, is arranged in the treatment area and is fixed with the inner wall of the tower body and the partition plate;
the movable plate is used for moving, two sides of the movable plate are fixed in the sliding grooves, and a group of sliding grooves are arranged and respectively and correspondingly arranged on the inner wall of the tower body and the partition plate;
a moving cylinder is arranged on the upper part of the moving plate, a cylinder push rod of the moving cylinder is fixed with the upper part of the moving plate,
a plurality of adsorption components which are uniformly arranged are arranged between the moving plate and the base plate;
the adsorption component is composed of a plurality of adsorption nets and is in a diamond shape;
the left side and the right side of the adsorption nets are overlapped, bonded and fixed;
the middle of the adsorption net is fixed by an elastic rope and is connected in series by the elastic rope;
the upper part of the elastic rope is fixed on the movable plate; the lower part of the elastic rope is fixed on a spring which is fixed on the base plate;
when carrying out the adsorption treatment, controlling means control and remove the cylinder and promote the push rod and drive the movable plate along the gentle reciprocating of spout, reciprocating of movable plate stimulates the elastic rope and drives the adsorption net and carry out mild vibrations from top to bottom, and the VOCs in the waste gas is adsorbed in the adsorption net, and processing unit dredges the gas after adsorbing the purification to the district of dredging through the vent hole region, and the gas vent that flows to tower body upper portion through the district of dredging discharges.
5. The tower of claim 4, wherein the adsorption net comprises:
the device is provided with a steel wire mesh,
the upper part and the lower part of the steel wire mesh are respectively provided with an upper adsorption film and a lower adsorption film with different apertures;
a lower filter screen is arranged at the lower part of the lower adsorption film;
an upper filter screen is arranged on the upper part of the upper adsorption film;
the lower filter screen is bonded on the edge of the lower adsorption film;
the upper filter screen is bonded on the edge of the upper adsorption film.
6. The tower of claim 5, wherein the lower filter screen is attached to the edge of the lower adsorption membrane and the lower filter screen is loose on the surface of the lower adsorption membrane; the upper filter screen is connected with the edge of the upper adsorption film, and the upper filter screen is in a loose state on the surface of the upper adsorption film.
7. The tower of claim 5, wherein the wire mesh has criss-cross support columns, and the elastic rope is fixed to the support columns.
8. The tower of claim 5, wherein the upper and lower adsorption membranes are respectively provided with honeycomb-type adsorption holes, adsorbents are placed in the adsorption holes, and selectively permeable membranes are respectively bonded to the surfaces of the upper and lower adsorption membranes.
9. The efficient purification tower for industrial VOCs waste gas according to claim 1, wherein the control valve comprises a housing and a valve body arranged in the housing, a jet flow through hole is arranged in the middle of the valve body and connected through an air inlet pipeline, the air inlet pipeline is arranged on the housing, a second flow collector is arranged on the air inlet pipeline, a pressurizing hole which is obliquely arranged downwards is arranged in the middle of the valve body and communicated with the jet flow through hole, a control cylinder is arranged on the right side of the valve body, a through hole is arranged on the right side of the valve body, a cylinder push rod of the control cylinder is arranged in the through hole, and the cylinder push rod is driven by the control cylinder to be used for opening or closing the pressurizing hole.
10. The tower of claim 1, wherein the outlet end of the jet through hole is formed in a trumpet shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210444468.4A CN115301037B (en) | 2022-04-25 | 2022-04-25 | High-efficient purifying column of industry VOCs waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210444468.4A CN115301037B (en) | 2022-04-25 | 2022-04-25 | High-efficient purifying column of industry VOCs waste gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115301037A true CN115301037A (en) | 2022-11-08 |
| CN115301037B CN115301037B (en) | 2023-08-29 |
Family
ID=83854823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210444468.4A Active CN115301037B (en) | 2022-04-25 | 2022-04-25 | High-efficient purifying column of industry VOCs waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115301037B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB910059A (en) * | 1959-12-09 | 1962-11-07 | Balzers Patent Beteilig Ag | Improvements in and relating to the pumping-off of gases and vapours by sorption |
| JP2001219023A (en) * | 2000-02-08 | 2001-08-14 | Futamura Chemical Industries Co Ltd | Adsorption plate for filter, and methods for manufacturing the filter and the adsorption plate |
| JP2001314494A (en) * | 2000-05-11 | 2001-11-13 | Seiwa Kogyo:Kk | Air purifying method and apparatus |
| CN103212272A (en) * | 2013-04-17 | 2013-07-24 | 中空能源设备有限公司 | Vertical modular molecular sieve adsorber |
| CN103301711A (en) * | 2013-07-03 | 2013-09-18 | 中煤科工集团重庆研究院 | Multi-tower type ventilation air methane temperature swing adsorption concentration device |
| CN204294015U (en) * | 2014-10-28 | 2015-04-29 | 上海新锐过滤材料有限公司 | An iris type high efficiency particulate air filter |
| CN108499341A (en) * | 2017-02-28 | 2018-09-07 | 天津市天地创智科技发展有限公司 | A kind of multistage tower type flue gas processing device |
| CN208260399U (en) * | 2018-04-16 | 2018-12-21 | 南京德厚环保科技有限公司 | A kind of organic waste gas concentrating device |
| CN109520317A (en) * | 2018-11-29 | 2019-03-26 | 刘童童 | A kind of discarded manufacture of iron and steel by melting furnace |
| CN109833722A (en) * | 2017-11-29 | 2019-06-04 | 江苏鑫祺泰炭业科技有限公司 | A kind of activated carbon adsorber |
| CN111821804A (en) * | 2020-07-06 | 2020-10-27 | 中船澄西船舶修造有限公司 | Ship flue gas purification device |
| CN214809653U (en) * | 2021-06-21 | 2021-11-23 | 江苏苏杰机械制造有限公司 | Spray paint waste gas VOCs adsorbs handles enrichment facility |
-
2022
- 2022-04-25 CN CN202210444468.4A patent/CN115301037B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB910059A (en) * | 1959-12-09 | 1962-11-07 | Balzers Patent Beteilig Ag | Improvements in and relating to the pumping-off of gases and vapours by sorption |
| JP2001219023A (en) * | 2000-02-08 | 2001-08-14 | Futamura Chemical Industries Co Ltd | Adsorption plate for filter, and methods for manufacturing the filter and the adsorption plate |
| JP2001314494A (en) * | 2000-05-11 | 2001-11-13 | Seiwa Kogyo:Kk | Air purifying method and apparatus |
| CN103212272A (en) * | 2013-04-17 | 2013-07-24 | 中空能源设备有限公司 | Vertical modular molecular sieve adsorber |
| CN103301711A (en) * | 2013-07-03 | 2013-09-18 | 中煤科工集团重庆研究院 | Multi-tower type ventilation air methane temperature swing adsorption concentration device |
| CN204294015U (en) * | 2014-10-28 | 2015-04-29 | 上海新锐过滤材料有限公司 | An iris type high efficiency particulate air filter |
| CN108499341A (en) * | 2017-02-28 | 2018-09-07 | 天津市天地创智科技发展有限公司 | A kind of multistage tower type flue gas processing device |
| CN109833722A (en) * | 2017-11-29 | 2019-06-04 | 江苏鑫祺泰炭业科技有限公司 | A kind of activated carbon adsorber |
| CN208260399U (en) * | 2018-04-16 | 2018-12-21 | 南京德厚环保科技有限公司 | A kind of organic waste gas concentrating device |
| CN109520317A (en) * | 2018-11-29 | 2019-03-26 | 刘童童 | A kind of discarded manufacture of iron and steel by melting furnace |
| CN111821804A (en) * | 2020-07-06 | 2020-10-27 | 中船澄西船舶修造有限公司 | Ship flue gas purification device |
| CN214809653U (en) * | 2021-06-21 | 2021-11-23 | 江苏苏杰机械制造有限公司 | Spray paint waste gas VOCs adsorbs handles enrichment facility |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115301037B (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105797533A (en) | Vertical integrated activated carbon adsorption device | |
| CN101107053B (en) | Method and apparatus for treatment of exhaust gas | |
| CN108525410B (en) | Device and method for collecting dust mist | |
| CN116272930A (en) | Organic matter gas adsorbent regeneration treatment facility | |
| CN107930344B (en) | Internal circulation pressure swing adsorption type hydrogen purifier | |
| CN207385107U (en) | Surface engineering rust removal air purification device | |
| CN112062095B (en) | Double-air-passage mixed flow oxygen and nitrogen making machine | |
| CN115301037A (en) | High-efficient purifying column of industry VOCs waste gas | |
| CN113403116A (en) | Composite gas dry purification device | |
| CN218222898U (en) | Closed oil mist waste gas cyclone dust removal device | |
| CN113350966A (en) | Purification device for organic waste gas treatment integrating adsorption and desorption treatment | |
| JPH0226605A (en) | Air filter for removing small particle | |
| CN105152145A (en) | Nitrogen production device provided with oxygen recovery system | |
| CN213492840U (en) | Regenerated energy-saving activated carbon catalytic combustion desorption equipment | |
| CN213556351U (en) | Workshop waste gas collecting and treating device | |
| CN108579412A (en) | The vertical indoor air cleaner of photochemical catalytic oxidation | |
| CN208032235U (en) | A kind of separate type emission-control equipment | |
| CN207838615U (en) | A kind of spraying dedusting device for low-light resonance exhaust-gas treatment | |
| CN207950999U (en) | A kind of airstrainer | |
| CN218328519U (en) | High-efficiency filtering device for laboratory purification | |
| RU211048U1 (en) | Hydrocyclone | |
| CN213451845U (en) | Activated carbon bed and valve structure thereof | |
| CN211813450U (en) | Nitrogen making machine with multiple gas filtering structures | |
| CN215463125U (en) | High-efficient treating tower of organic waste gas | |
| CN220047717U (en) | Air purifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |