CN113310064B

CN113310064B - Exquisite integrated RTO system

Info

Publication number: CN113310064B
Application number: CN202110653479.9A
Authority: CN
Inventors: 田东亮; 付欣; 唐晓杰; 李书宇; 孟令友
Original assignee: Qinhuangdao Jingjia Yida Environmental Protection Technology Co ltd
Current assignee: Qinhuangdao Jingjia Yida Environmental Protection Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-07-26
Anticipated expiration: 2041-06-11
Also published as: CN113310064A

Abstract

The invention discloses a smart integrated RTO system, belonging to the field of RTO systems, comprising an RTO integrated device, wherein the RTO integrated device is provided with a tail gas treatment device, the tail gas treatment device comprises a main treatment chamber, two ends of the main treatment chamber are both connected with auxiliary treatment chambers, the top ends of the auxiliary treatment chambers are fixedly connected with an air inlet cover and an exhaust pipe, the air inlet cover comprises a fixing frame, the main treatment chamber and the auxiliary treatment chambers are both provided with infusion covers, the inner walls of the main treatment chamber and the auxiliary treatment chambers are both fixedly connected with nitrogen oxide treatment boxes matched with the infusion covers, the auxiliary treatment chambers are internally provided with treatment barrels matched with the exhaust pipes, and partition plates fixedly connected in the auxiliary treatment chambers are arranged between the nitrogen oxide treatment boxes and the treatment barrels, can realize that this scheme can be applicable to the RTO system installation of a plurality of combustion chambers, and effectively reduce the emission of nitrogen oxide in the waste gas through multilevel processing in the use.

Description

Exquisite integrated RTO system

Technical Field

The invention relates to the field of RTO systems, in particular to a smart integrated RTO system.

Background

The RTO is a device for purifying organic waste gases (VOCs) by a thermal incineration method, and is called a regenerative oxidizer. Most modern RTO devices adopt a PLC (programmable logic controller) programming control system to realize full-automatic control. The programmable controller is an electronic system with digital operation, and can be used for controlling various industrial equipment and devices. The PLC employs a programmable memory for storing therein operation instructions for performing logic operations, sequence control, timing, counting, arithmetic operations, etc., and controls various mechanical devices or production processes through digital or analog inputs and outputs.

The method is based on the measurement of parameters of each important part of the system, such as the parameters (concentration, temperature, flow rate and the like) of inlet and outlet gases, and the measurement of important parameters (such as temperature, pressure, fuel supply quantity and the like) of a combustion chamber, a combustor, a heat accumulator bed layer, a valve body and the like, and the rapid feedback. The powerful communication module of PLC can conveniently carry out remote control and data acquisition to the device system to realize real time monitoring, it is very convenient.

When the VOC in the waste gas reaches a certain concentration (usually 2-8g/Nm3), self balance can be realized in the RTO, namely, the thermal incineration can be realized only by the VOCs, and the temperature in the RTO is kept at 800-850 ℃. In actual production, the concentration of the waste gas changes frequently, when the concentration of VOCs in the waste gas becomes small and cannot reach self balance, the temperature of the waste gas cannot be kept above 800 ℃ by virtue of the RTO of the waste gas, and a burner arranged on the RTO is required to be ignited to keep the cracking temperature of the waste gas. When the RTO burner works, the temperature of a high-temperature area of combustion flame is over 1000 ℃, and a large amount of thermal nitrogen oxides can be generated in the high-temperature area of the flame, so that the finally discharged smoke nitrogen oxides exceed the standard.

The prior RTO device does not have a good treatment method for nitrogen oxides in finally discharged flue gas.

Disclosure of Invention

1. Technical problem to be solved

In view of the problems in the prior art, the present invention provides an integrated RTO system, which is suitable for installing RTO systems of multiple combustion chambers and can effectively reduce the emission of nitrogen oxides in exhaust gas during use.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The exquisite integrated RTO system comprises an RTO integrated device, wherein a tail gas treatment device is installed on the RTO integrated device and comprises a main treatment chamber, two ends of the main treatment chamber are connected with auxiliary treatment chambers, the top ends of the auxiliary treatment chambers are fixedly connected with an air inlet cover and an exhaust pipe, the air inlet cover comprises a fixed frame, a movable shell is arranged on the fixed frame, a plurality of compression springs are connected between the movable shell and the fixed frame, a filter plate is inserted on the movable shell, the top ends of the movable shell are connected with air pipes, infusion covers are installed on the main treatment chamber and the auxiliary treatment chambers, nitrogen oxide treatment boxes matched with the infusion covers are fixedly connected on the inner walls of the main treatment chamber and the auxiliary treatment chambers, each nitrogen oxide treatment box comprises a fixed shell, a plurality of atomization nozzles are connected between the infusion covers and the fixed shells, a movable barrel is slidably connected on the fixed shells, install in the vice treatment chamber with blast pipe assorted processing section of thick bamboo, be equipped with the division board of fixed connection in the vice treatment chamber between nitrogen oxide treatment box and the processing section of thick bamboo, processing section of thick bamboo include with division board fixed connection's fixed cover, fixedly connected with inner tube in the fixed cover, the outside of inner tube is equipped with the urceolus, the bottom fixed connection of urceolus and vice treatment chamber, be connected with one-way pneumatic valve between main treatment chamber and the vice treatment chamber, and one-way pneumatic valve and processing section of thick bamboo position phase-match, can realize that this scheme can be applicable to the RTO system installation of a plurality of combustion chambers, and effectively reduce nitrogen oxide's emission in the waste gas through multilevel processing in the use.

Further, the division board is three cavity, three with the indoor separation of vice processing chamber the cavity distributes and handles case, a processing section of thick bamboo and blast pipe position phase-match with nitrogen oxide, fixedly connected with check valve on the division board, and the check valve is located nitrogen oxide and handles between the section of thick bamboo, prevents that the air current of main processing chamber output from passing the division board and the lid contact of admitting air.

Furthermore, fixedly connected with adsorption ring on the inner wall of urceolus, adsorption ring is made by silica gel material, carries out physical adsorption to nitrogen oxide through adsorption ring.

Furthermore, an absorption box fixedly connected with the auxiliary treatment chamber is arranged on the lower side of the inner barrel, alkaline solution is contained in the absorption box, and the nitrogen oxides are subjected to chemical adsorption through the alkaline solution.

Furthermore, the number of the nitrogen oxide treatment boxes arranged in the main treatment chamber is two, the inner wall of the main treatment chamber is fixedly connected with a flow guide plate matched with the nitrogen oxide treatment boxes, the flow guide plate is fixedly connected with a flow distribution net, and the aperture of the net hole on the flow distribution net is 200-300nm, so that the airflow can be conveniently guided to the nitrogen oxide treatment boxes.

Further, the activity section of thick bamboo includes the multilayer filter screen, and is adjacent two be connected with a plurality of adsorption strip between the filter screen, fixedly connected with permanent magnet in the adsorption strip, the upper and lower both ends of filter screen all install with permanent magnet assorted magnet piece, absorb the inflation behind atomizer spun treatment fluid at the adsorption strip to make the interval grow between two filter screens, two filter mutual extrusions under the air current effect on the one hand when the air current passes the filter screen, make adsorbed finishing agent extruded and prolong the filter screen and flow in the adsorption strip. The filter screen is covered by the treating agent in all directions, and under the repulsion action of the permanent magnet and the magnet piece, the filter screen is propped open again, so that the vibration of the filter screen is realized, the treating agent on the filter screen is desorbed, and the filter screen can better contact and react with the air flow.

Further, the filter plate is a honeycomb plate, filter layers are laid at the upper end and the lower end of the honeycomb plate, activated carbon particles are filled in meshes of the honeycomb plate, and the air flow is pretreated through the activated carbon particles.

Furthermore, solenoid valves are installed on the air inlet cover and the exhaust pipe.

Further, the fixed shell is made by the heat conduction material, a plurality of evenly distributed's heat transfer fin of fixedly connected with on the outer wall of fixed shell, conveniently dispel the heat in the air current to the external world to reduce the air current temperature.

Further, the partition plate is integrally forged from a heat insulating material.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can realize that this scheme can be applicable to the RTO system mount of a plurality of combustion chambers, and effectively reduces nitrogen oxide's emission in the waste gas through multilevel processing in the use.

(2) The division board is divided into three cavitys in with vice processing chamber, and three cavity distributes and nitrogen oxide handles case, a processing section of thick bamboo and blast pipe position phase-match, fixedly connected with check valve on the division board, and the check valve is located between nitrogen oxide handles case and the processing section of thick bamboo, prevents that the air current of main processing chamber output from passing the division board and the lid contact of admitting air.

(3) Fixedly connected with adsorption ring on the inner wall of urceolus, adsorption ring is made by the silica gel material, carries out physisorption to nitrogen oxide through adsorption ring, and the downside of inner tube is equipped with the absorption box with vice treatment chamber fixed connection, has held alkaline solution in the absorption box, carries out chemisorption through alkaline solution to nitrogen oxide.

(4) The nitrogen oxide treatment box of installation is two in the main treatment chamber, fixedly connected with and nitrogen oxide treatment box assorted guide plate on the inner wall of main treatment chamber, and fixedly connected with divides the flow net on the guide plate, and the aperture of the online mesh of reposition of redundant personnel is 200 and supplyes 300nm, conveniently leads the nitrogen oxide treatment box with the air current.

(5) Atomizer includes the multilayer filter screen, be connected with a plurality of adsorption strips between two adjacent filter screens, fixedly connected with permanent magnet in the adsorption strip, the upper and lower both ends of filter screen all install with permanent magnet assorted magnet piece, expand after the adsorption strip absorbs atomizer spun treatment fluid to make the interval grow between two filter screens, two filter extrusion each other under the air current effect on the one hand when the air current passes the filter screen, make adsorbed finishing agent extruded and prolong the filter screen and flow in the adsorption strip. The filter screen is covered by the treating agent in all directions, and under the repulsion action of the permanent magnet and the magnet piece, the filter screen is propped open again, so that the vibration of the filter screen is realized, the treating agent on the filter screen is desorbed, and the filter screen can better contact and react with the air flow.

(6) The set casing is made by the heat conduction material, and a plurality of evenly distributed's of fixedly connected with heat transfer fin on the outer wall of set casing conveniently disperses the heat in the air current to the external world to reduce the air current temperature.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic structural diagram at B in fig. 3.

The numbering in the figures illustrates:

1RTO system body, 2 main treatment chambers, 3 auxiliary treatment chambers, 4 air inlet covers, 401 fixed frames, 402 movable shells, 403 compression springs, 404 filter plates, 405 air pipes, 5 infusion covers, 6 nitrogen oxide treatment tanks, 601 fixed shells, 602 atomizing nozzles, 603 movable cylinders, 7 absorption cylinders, 701 fixed covers, 702 inner cylinders, 703 outer cylinders, 704 absorption boxes, 8 exhaust pipes, 9 partition plates, 901 one-way valves and 10 one-way air valves.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the adaptive model element. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, an exquisite integrated RTO system includes an RTO integrated device 1, where the RTO integrated device 1 is a set of existing mature RTO system devices, a tail gas treatment device is installed on the RTO integrated device 1, the tail gas treatment device is connected to an air outlet end of a regenerator of the RTO system, the tail gas treatment device includes a main treatment chamber 2, both ends of the main treatment chamber 2 are connected to sub-treatment chambers 3, a top end of the sub-treatment chamber 3 is fixedly connected to an air inlet cover 4 and an exhaust pipe 8, the air inlet cover 4 includes a fixed frame 401, a movable shell 402 is arranged on the fixed frame 401, a plurality of compression springs are connected between the movable shell 402 and the fixed frame 401, a filter plate 404 is inserted on the movable shell 402, a top end of the movable shell 402 is connected to an air pipe 405, the filter plate 404 is a honeycomb plate, filter layers 403 are respectively laid on upper and lower ends of the honeycomb plate, meshes of the honeycomb plate are filled with activated carbon particles, and the air flow is pretreated by the activated carbon particles. The air inlet cover 4 and the exhaust pipe 8 are both provided with electromagnetic valves. The main treatment chamber 2 and the auxiliary treatment chamber 3 are respectively provided with a transfusion cover 5, the inner walls of the main treatment chamber 2 and the auxiliary treatment chamber 3 are respectively and fixedly connected with a nitrogen oxide treatment box 6 matched with the transfusion cover 5, the number of the nitrogen oxide treatment boxes 6 arranged in the main treatment chamber 2 is two, the inner wall of the main treatment chamber 2 is fixedly connected with a flow guide plate matched with the nitrogen oxide treatment box 6, the flow guide plate is fixedly connected with a flow distribution net, the aperture of meshes on the flow distribution net is 200-300nm, and the air flow is conveniently guided to the nitrogen oxide treatment box 6.

Referring to fig. 3-4, the nitrogen oxide treatment box 6 includes a fixed housing 601, a plurality of atomizer 602 is connected between the infusion cover 5 and the fixed housing 601, a movable cylinder 603 is connected on the fixed housing 601 in a sliding manner, the movable cylinder 603 includes a plurality of filter screens, a plurality of adsorption strips are connected between two adjacent filter screens, permanent magnets are fixedly connected in the adsorption strips, magnet pieces matched with the permanent magnets are installed at the upper and lower ends of the filter screens, and the adsorption strips expand after absorbing treatment liquid sprayed from the atomizer 602, so that the distance between the two filter screens is increased, and when air flows pass through the filter screens, the two filter screens are mutually extruded under the action of the air flow, so that the treatment agent adsorbed in the adsorption strips is pressed out and flows along the filter screens. The filter screen is covered by the treating agent in all directions, and is propped open under the repulsion action of the permanent magnet and the magnet sheet, so that the vibration of the filter screen is realized, the treating agent on the filter screen is desorbed, and the treating agent can better contact and react with the airflow. The fixed casing 601 is made by the heat conduction material, and a plurality of evenly distributed's heat transfer fin of fixedly connected with on the outer wall of fixed casing 601, heat transfer fin link to each other with the outer wall of primary treatment room 2 or vice processing chamber 3, conveniently disperses the heat in the air current to the external world to reduce the air current temperature.

Referring to fig. 3-5, a treatment cylinder 7 matching with an exhaust pipe 8 is installed in the auxiliary treatment chamber 3, a partition plate 9 fixedly connected in the auxiliary treatment chamber 3 is provided between the nitrogen oxide treatment tank 6 and the treatment cylinder 7, and the partition plate 9 is integrally forged from a heat insulating material. The partition plate 9 divides the interior of the auxiliary treatment chamber 3 into three cavities, the distribution of the three cavities is matched with the positions of the nitrogen oxide treatment box 6, the treatment cylinder 7 and the exhaust pipe 8, the partition plate 9 is fixedly connected with a one-way valve 901, and the one-way valve 901 is positioned between the nitrogen oxide treatment box 6 and the treatment cylinder 7, so that the air flow output by the main treatment chamber 2 is prevented from passing through the partition plate 9 and contacting with the air inlet cover 4.

Referring to fig. 3, the processing cylinder 7 includes a fixing cover 701 fixedly connected with the partition plate 9, an inner cylinder 702 is fixedly connected in the fixing cover 701, an outer cylinder 703 is disposed outside the inner cylinder 702, the outer cylinder 703 is fixedly connected with the bottom end of the auxiliary processing chamber 3, a one-way air valve 10 is connected between the main processing chamber 2 and the auxiliary processing chamber 3, and the one-way air valve 10 is matched with the processing cylinder 7, so that the scheme can be applied to installation of RTO systems of multiple combustion chambers, and emission of nitrogen oxides in exhaust gas can be effectively reduced through multi-stage processing in the using process. The inner wall of the outer cylinder 703 is fixedly connected with an adsorption ring, the adsorption ring is made of a silica gel material, and nitrogen oxides are physically adsorbed by the adsorption ring. An absorption box 704 fixedly connected with the auxiliary treatment chamber 3 is arranged at the lower side of the inner cylinder 702, alkaline solution is contained in the absorption box 704, and the nitrogen oxides are chemically adsorbed by the alkaline solution.

This scheme is when using, and during RTO integrated device 1 exhaust tail gas advanced enters main treatment chamber 2, carries out primary treatment to tail gas through nitrogen oxide treatment box 6 in the main treatment chamber 2, strains mutual extrusion under the air current effect on the one hand when the air current passes the filter screen for two, makes absorbent in the adsorption strip extruded and prolong the filter screen and flow. Realize that the filter screen is by all-round cover of treating agent, and under the effect of permanent magnet and magnet piece repulsion, the filter screen is strutted again, realize the vibration of filter screen, make the treating agent desorption on the filter screen, and better and the air current contact reaction, remove with the treating agent in order to realize that tail gas is abundant, guarantee that the nitrogen oxide in the tail gas is handled, then tail gas passes through one-way air valve 10 and gets into in handling section of thick bamboo 7 again, through the absorption ring in handling section of thick bamboo 7 and absorption box 704 effect, make remaining nitrogen oxide in the tail gas adsorbed, discharge through blast pipe 8 at last.

When the RTO system with multiple regenerators is installed, for example, in the RTO system with three regenerators, the air outlet ends of the three regenerators are respectively connected with the main treatment chamber 2 through a pair of air pipes 405, the air flow entering the secondary treatment chamber 3 through the air pipes 405 firstly passes through the nitrogen oxide treatment box 6 to remove nitrogen oxides and then enters the treatment barrel 7 through the one-way valve 901, the air flow in the secondary treatment chamber 3 contacts with the air flow output by the main treatment chamber 2 to generate counter-flushing air flow, so that the treatment barrel 7 is further vibrated, and the air flow entering the treatment barrel 7 fully contacts with the adsorption ring and the adsorption box 704 to completely remove the nitrogen oxides in the tail gas.

Technicians can rectify the air outlet end of the RTO system and then connect the air outlet end of the RTO system with the main treatment chamber 2 to perform centralized tail gas treatment according to actual needs, and the air outlet end of the RTO system can also be separately installed on the main treatment chamber 2 and the auxiliary treatment chamber 3 to perform respective treatment. This scheme can realize that this scheme can be applicable to the RTO system installation of a plurality of combustion chambers, and effectively reduces nitrogen oxide's emission in the waste gas through multilevel processing in the use.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. An elaborate integrated RTO system comprising RTO integrated devices (1) characterized by: the RTO integrated device (1) is provided with a tail gas treatment device, the tail gas treatment device comprises a main treatment chamber (2), two ends of the main treatment chamber (2) are connected with auxiliary treatment chambers (3), the top end of each auxiliary treatment chamber (3) is fixedly connected with a gas inlet cover (4) and a gas exhaust pipe (8), each gas inlet cover (4) comprises a fixed frame (401), a movable shell (402) is arranged on each fixed frame (401), a plurality of compression springs (403) are connected between each movable shell (402) and the corresponding fixed frame (401), a filter plate (404) is inserted into each movable shell (402), the top end of each movable shell (402) is connected with a gas pipe (405), each main treatment chamber (2) and each auxiliary treatment chamber (3) is provided with a gas infusion cover (5), the inner walls of the main treatment chamber (2) and the auxiliary treatment chambers (3) are fixedly connected with a nitrogen oxide treatment tank (6) matched with the infusion covers (5), the nitrogen oxide treatment box (6) comprises a fixed shell (601), a plurality of atomizing nozzles (602) are connected between the infusion cover (5) and the fixed shell (601), a movable barrel (603) is connected on the fixed shell (601) in a sliding manner, a treatment barrel (7) matched with the exhaust pipe (8) is installed in the auxiliary treatment chamber (3), a partition plate (9) fixedly connected in the auxiliary treatment chamber (3) is arranged between the nitrogen oxide treatment box (6) and the treatment barrel (7), the treatment barrel (7) comprises a fixed cover (701) fixedly connected with the partition plate (9), an inner barrel (702) is fixedly connected in the fixed cover (701), an outer barrel (703) is arranged on the outer side of the inner barrel (702), the outer barrel (703) is fixedly connected with the bottom end of the auxiliary treatment chamber (3), and an adsorption ring is fixedly connected on the inner wall of the outer barrel (703), the adsorption ring is made of a silica gel material, an absorption box (704) fixedly connected with the auxiliary treatment chamber (3) is arranged on the lower side of the inner barrel (702), alkaline solution is contained in the absorption box (704), a one-way air valve (10) is connected between the main treatment chamber (2) and the auxiliary treatment chamber (3), and the one-way air valve (10) is matched with the treatment barrel (7) in position.

2. A compact integrated RTO system according to claim 1, wherein: the device is characterized in that the partition plate (9) divides the inside of the auxiliary treatment chamber (3) into three cavities, the three cavities are distributed to be matched with the positions of the nitrogen oxide treatment box (6), the treatment barrel (7) and the exhaust pipe (8), a one-way valve (901) is fixedly connected to the partition plate (9), and the one-way valve (901) is positioned between the nitrogen oxide treatment box (6) and the treatment barrel (7).

3. The compact integrated RTO system of claim 1, wherein there are two NOx treatment chambers (6) installed in said main treatment chamber (2), a flow guiding plate matching with the NOx treatment chambers (6) is fixedly connected to the inner wall of said main treatment chamber (2), a flow dividing net is fixedly connected to said flow guiding plate, and the aperture of the net hole on said flow dividing net is 200-300 nm.

4. A compact integrated RTO system according to claim 1, wherein: the movable cylinder (603) comprises a plurality of layers of filter screens, a plurality of adsorption strips are connected between every two adjacent filter screens, permanent magnets are fixedly connected in the adsorption strips, and magnet sheets matched with the permanent magnets are installed at the upper end and the lower end of each filter screen.

5. A compact integrated RTO system according to claim 1, wherein: the filter plate (404) is a honeycomb plate, filter layers are laid at the upper end and the lower end of the honeycomb plate, and activated carbon particles are filled in meshes of the honeycomb plate.

6. A compact integrated RTO system according to claim 1, wherein: and the air inlet cover (4) and the exhaust pipe (8) are both provided with electromagnetic valves.

7. A compact integrated RTO system according to claim 1, wherein: the fixed shell (601) is made of heat conduction materials, and a plurality of uniformly distributed heat exchange fins are fixedly connected to the outer wall of the fixed shell (601).

8. A compact integrated RTO system according to claim 1, wherein: the partition plate (9) is integrally forged from a heat insulating material.