A high-temperature exhaust gas treatment device for a biomass combustion boiler

Abstract

The application discloses a high-temperature waste gas treatment device for a biomass combustion boiler and belongs to the technical field of high-temperature waste gas treatment. The device comprises a treatment tower, a demister is arranged on the top side of the inside of the treatment tower, a plurality of filter screens are arranged below the demister, and the device further comprises a plurality of spray main pipes which are installed above the plurality of filter screens and are communicated with a plurality of spray branch pipes on the two sides of the spray main pipes; a temperature insulation pipe sleeve is sleeved on the outer circumferential side of the spray main pipe and the spray branch pipe, an inner cavity is formed in the inside of the temperature insulation pipe sleeve, and a plurality of first through holes are formed in the bottom side of the inside of the temperature insulation pipe sleeve. In the application, the use positions between different first taper blocks and racks are initially set, the temperature of waste gas transported in the inside of the treatment tower is monitored by cooperation of a first electric push rod, a ring-shaped sliding plate and an infrared sensor, the extension distances of spiral nozzles at different positions relative to the inside of a circular seat are monitored, and the independent zoning height adjustment of a plurality of spiral nozzles in the treatment tower is realized, so that the spatial difference of working conditions in the tower is adapted.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of high-temperature waste gas treatment, and particularly relates to a high-temperature waste gas treatment device for a biomass combustion boiler. BACKGROUND

[0002] The biomass combustion boiler is an industrial or civil device specially designed for burning biomass fuel to generate heat energy, and is a core device for biomass energy utilization, aiming to efficiently convert the chemical energy stored in the biomass into usable heat energy. However, during its use, high-temperature combustion waste gas is generated, and therefore a high-temperature waste gas treatment device is needed to reduce the temperature of the waste gas and reduce the impurities such as fly ash in the waste gas.

[0003] For example, a high-temperature setting machine oil fume waste gas treatment device and process is disclosed in Chinese patent document (CN104667682B), which has an absorption tower. The tower body is divided into a water spraying treatment section, a wet electrostatic falling film absorption section and a demisting section from bottom to top. The waste gas inlet is arranged on one side of the tower bottom, and an oil-water separator is installed on the other side of the tower bottom. The water spraying system is arranged on the top of the water spraying treatment section, and the water inlet of the water spraying system is arranged on the outside of the tower body. The wet electrostatic falling film absorption section is composed of an electrostatic discharge electrode, a water film generating device and a heat exchanger. The demisting section is located at the top of the tower body, and a demister is arranged in the demisting section. This invention combines the advantages of water spraying tower and falling film absorption tower, solves the problem of frequent cleaning of traditional membrane absorption tower, and enables the system to run for a long time without worrying about the problem of oil deposition on the surface of the collector. However, the contact range of the water spraying system with the waste gas is fixed in the use process of this device. When the high-temperature waste gas is concentrated and transported to the bottom space of the tower through the inlet pipe, the concentration of the waste gas in the area may change when the high-temperature waste gas rises in the tower. The fixed form of the spraying system may cause some waste gas to escape, thereby affecting the overall treatment effect of the device. SUMMARY

[0004] The purpose of the present application is to solve the problem that the contact range of the water spraying system with the waste gas is fixed in the use process of the existing technology, and when the high-temperature waste gas is concentrated and transported to the bottom space of the tower through the inlet pipe, the concentration of the waste gas in the area may change when the high-temperature waste gas rises in the tower. The fixed form of the spraying system may cause some waste gas to escape, thereby affecting the overall treatment effect of the device. A high-temperature waste gas treatment device for a biomass combustion boiler is provided.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0006] The utility model relates to a kind of high-temperature exhaust treatment device for biomass combustion boiler, including processing tower, mist eliminator is provided in the inside top side of processing tower, mist eliminator is provided with multiple filter screens below, further including:

[0007] Multiple spray main pipes are installed above multiple filter screens, and multiple spray branch pipes are communicated on both sides of spray main pipe;

[0008] Temperature insulation pipe sleeve is sleeved on the outer circumferential side of spray main pipe and spray branch pipe, inner cavity is opened in the inside of temperature insulation pipe sleeve, and multiple first through holes are opened in the inside bottom side of temperature insulation pipe sleeve;

[0009] Multiple circular seats are equidistantly installed in the inside bottom side of spray main pipe and spray branch pipe, and circular seat is located in first through hole, and the top end of circular seat is communicated with spray main pipe and spray branch pipe;

[0010] Multiple spiral nozzles are installed in the inside bottom side of circular seat;

[0011] Adjusting assembly is installed in the inside of temperature insulation pipe sleeve, for respectively adjusting and synchronously adjusting the use position between multiple spiral nozzles, to control the output spray angle and range of spiral nozzle;

[0012] Parallel adjusting assembly is installed in the inside of temperature insulation pipe sleeve, and is located on the side of adjusting assembly, for further adjusting the moving stroke of spiral nozzle;

[0013] First, processing tower is installed to suitable position, then biomass combustion boiler exhaust after heat recovery is transported to the inside bottom side of processing tower, then processing liquid is sprayed to the inside of processing tower by conveying main pipe, spray main pipe, spray branch pipe, circular seat and spiral nozzle, and collides with exhaust in the inside of processing tower and reacts, then adjusting assembly is adjusted respectively or synchronously to spiral nozzle in different positions, changes the spray treatment effect of spiral nozzle in different positions to exhaust in different positions, greatly improves the flexibility and treatment effect of spiral nozzle in use process, then, according to actual need, the use stroke of spiral nozzle is further adjusted by parallel adjusting assembly, further guarantee the overall treatment effect of device.

[0014] Preferably, the adjusting assembly comprises:

[0015] Two connecting plates are symmetrically installed in the inside of temperature insulation pipe sleeve, and connecting plate is located in the inside bottom side of temperature insulation pipe sleeve;

[0016] Two groups of first taper blocks are fixed to the outside one side of connecting plate, and two groups of first taper blocks are arranged on the opposite side of two connecting plates, wherein each group of first taper blocks is provided with multiple, and multiple first taper blocks are distributed on connecting plate, and two groups of first taper blocks are cross array distribution;

[0017] Two groups of second taper blocks are symmetrically connected to the opposite side of the connecting plate, wherein each group of second taper blocks is provided with a plurality of second taper blocks, and the plurality of second taper blocks are arranged on one side of the plurality of first taper blocks, the second taper blocks and the first taper blocks are provided with cavities on the side away from the connecting plate, and a liquid delivery channel is arranged in the connecting plate;

[0018] A driving unit is arranged in the temperature insulation pipe sleeve and used for adjusting the use position of the connecting plate and the first taper block;

[0019] A plurality of limiting adjustment units are arranged in the circular seat and in the temperature insulation pipe sleeve;

[0020] A plurality of protective sealing layers are arranged on the outer circumferential side of the circular seat, and the protective sealing layers are arranged on the outer circumferential side of the temperature insulation pipe sleeve;

[0021] A limiting sliding plate is arranged between the two connecting plates;

[0022] A plurality of gear racks are arranged on one side of the limiting sliding plate, and each group of gear racks is provided with two gear racks, and the distance between the two gear racks of each group is different;

[0023] The connecting plate is driven to move by the driving unit, in this process, the first first taper block on the left side drives the spiral nozzle to adjust the use position of the spiral nozzle in the circular seat through the first limiting adjustment unit on the left side, then the connecting plate is continuously driven to move by the driving unit, the use position of the spiral nozzle on the spray main pipe in the circular seat is adjusted, then the connecting plate is continuously driven to move by the driving unit, the first first taper block on the right side drives the spiral nozzle to adjust the use position of the spiral nozzle in the circular seat through the first limiting adjustment unit on the right side, and finally the connecting plate is continuously driven to move by the driving unit, the first first taper block on the left side drives the spiral nozzle to adjust the use position of the spiral nozzle in the circular seat through the second limiting adjustment unit on the left side, the spiral nozzles at different positions are adjusted respectively, and the treatment effect of the spiral nozzles at different positions on the waste gas at different positions is changed.

[0024] Preferably, the adjusting assembly further comprises:

[0025] A plurality of connecting seats are symmetrically arranged on both sides of the temperature insulation pipe sleeve, and the outer circumferential side of the connecting seat is fixedly connected with the inner wall of the temperature insulation pipe sleeve;

[0026] A plurality of rectangular tooth plates are symmetrically arranged on both sides of the temperature insulation pipe sleeve, and the rectangular tooth plates are slidingly connected in the connecting seat;

[0027] A plurality of rollers are symmetrically arranged on both sides of the temperature insulation pipe sleeve, and one side of the roller is fixed to one side of the outer wall of the rectangular tooth plate through a fixed rod;

[0028] Preferably, the adjusting assembly further comprises

[0029] A plurality of groups of rectangular sliding plates are symmetrically arranged on both sides of the temperature insulation pipe sleeve, and the rectangular sliding plates are arranged in the connecting seat;

[0030] A plurality of groups of springs are symmetrically arranged on both sides of the rectangular toothed plate, and the springs are fixedly connected with the inner walls of the rectangular sliding plates and the connecting seat on both sides;

[0031] Preferably, the driving unit comprises:

[0032] Two first electric push rods are symmetrically arranged on one side of the temperature insulation pipe sleeve;

[0033] An annular sliding plate is arranged in the temperature insulation pipe sleeve, and the annular sliding plate is slidingly connected with the outer circumferential side of the spray main pipe. One side of the annular sliding plate is fixedly connected with the output end of the first electric push rod, and one side of the annular sliding plate is fixedly connected with the limiting sliding plate and the connecting plate.

[0034] Preferably, the limiting adjusting unit comprises:

[0035] An annular gear is rotationally connected with the outer circumferential side of the circular seat;

[0036] An annular block is rotationally connected with the inner side of the circular seat, and the outer circumferential side of the annular block is fixedly connected with the inner circumferential side of the annular gear;

[0037] Two connecting frames are fixedly connected with the inner circumferential side of the annular block on the outer circumferential side, and the inner circumferential side of the two connecting frames is fixedly connected with the same circular seat;

[0038] A fixing sleeve is arranged in the circular seat through the fixing frame, and the fixing sleeve is arranged below the circular seat. Limiting sliding grooves are formed in both sides of the fixing sleeve;

[0039] A lead screw is rotationally connected in the fixing sleeve, and the top end of the lead screw extends to the outside of the fixing sleeve and is fixedly connected with the bottom of the circular seat. A reset assembly is arranged on the top side of the lead screw in the lead screw, which is used for resetting the rotation position of the lead screw;

[0040] A sliding sleeve is arranged on the outer circumferential side of the lead screw, and the sliding sleeve is slidingly connected in the fixing sleeve. The top of the sliding sleeve is drivingly connected with the outer circumferential side of the lead screw through the lead screw seat. Limiting sliding blocks are fixedly connected with both sides of the lead screw seat, and the limiting sliding blocks are slidingly connected in the limiting sliding grooves. The bottom of the sliding sleeve extends to the outer circumferential side of the fixing sleeve and is arranged on the top of the spiral nozzle through the connecting frame;

[0041] The first electric push rod drives the annular slide plate, the connecting plate and the first taper block to move. At this time, the first taper block on the left side will first contact the roller on the left side, and the roller will drive the rectangular tooth plate to move. The power is transmitted to the ring gear through the linkage effect between the rectangular tooth plate and the ring gear, so that the ring gear drives the annular block, the connecting frame, the circular seat and the lead screw to rotate. Then, the power is transmitted to the lead screw seat through the linkage effect between the lead screw and the lead screw seat, so that the lead screw seat drives the sliding sleeve and the spiral nozzle to move downward, adjusts the use position between the spiral nozzle and the circular seat, adjusts the extension distance of the spiral nozzle relative to the circular seat, reduces the constraint of the inner wall of the circular seat on the spiral nozzle, and makes the spiral nozzle output liquid film / liquid drop more freely to the radial diffusion, forms a wider spray cone angle, better wets the tower wall and the filler, reduces the "dry area" and the wall flow, and improves the tower cross-section utilization and the processing effect.

[0042] Preferably, the parallel adjustment assembly comprises:

[0043] The annular fixed plate is fixedly connected to the inner circumferential side of the temperature insulation pipe sleeve, and a first rectangular through hole is formed in one side of the inner part of the annular fixed plate.

[0044] The liquid bag is fixedly connected to one side of the annular fixed plate, and the liquid bag is arranged on the side away from the connecting plate. The cross-sectional shape of the liquid bag is annular, and a second rectangular through hole is formed in one side of the inner part of the liquid bag. The second rectangular through hole and the first rectangular through hole are on the same axis. The liquid bag is in communication with the liquid delivery channel in the connecting plate through the liquid delivery hose.

[0045] The annular plate is installed on one side of the liquid bag, and the annular plate is slidingly connected in the inner part of the temperature insulation pipe sleeve.

[0046] The two second push rods are arranged in a circumferential array on one side of the annular plate, and the second push rods are fixedly connected to the inner wall of the temperature insulation pipe sleeve on one side. The output shaft of the second push rod is fixedly connected to the outer wall of the annular plate on one end.

[0047] Preferably, the parallel adjustment assembly further comprises:

[0048] A plurality of third taper blocks are slidingly connected to the inner parts of the first taper block and the second taper block, and a secondary liquid bag is fixedly connected to one side of the third taper block. The other side of the secondary liquid bag is fixedly connected to the inner walls of the first taper block and the second taper block. The secondary liquid bag is in communication with the liquid delivery channel in the connecting plate through the pipeline.

[0049] A plurality of limiting springs are symmetrically installed on both sides of the secondary liquid bag, and the limiting springs are fixedly connected to the inner walls of the third taper block, the first taper block and the second taper block on both sides.

[0050] According to actual needs, the second push rod is started, the annular plate is driven by the second push rod to extrude the liquid bag, the liquid in the liquid bag is transported to the inside of the infusion channel in the connecting plate through the infusion pipe, and then is transported to the inside of the auxiliary liquid bag through the pipeline, so that the auxiliary liquid bag drives the third taper block to move to the outside of the first taper block and the second taper block, the use distance of the roller and the rectangular toothed plate is adjusted, the telescopic height of the spiral nozzle is further adjusted, and the treatment effect of the high-temperature waste gas of the device is affected, so that the treatment effect of the device is ensured.

[0051] Preferably, further comprising:

[0052] The cleaning sliding ring is sleeved on the outer periphery of the spiral nozzle and is slidingly connected in the circular seat.

[0053] The sealing sliding ring is arranged above the cleaning sliding ring and is sleeved on the outer periphery of the spiral nozzle.

[0054] During the up-down movement of the spiral nozzle, the sealing sliding ring ensures the sealing effect between the circular seat and the spiral nozzle, and during the up-down movement of the cleaning sliding ring, the use gap between the circular seat and the spiral nozzle is cleaned, so that the self-cleaning effect of the device during use is ensured.

[0055] Preferably, further comprising:

[0056] The recovery tank is communicated with one side of the bottom of the treatment tower, and the bottom of the recovery tank is fixedly connected to the bottom of the treatment tower through a support.

[0057] The input end of the circulating pump is communicated with the recovery tank through a liquid pumping pipeline.

[0058] The delivery main pipe is communicated with the output end of the circulating pump, and the delivery main pipe is communicated with the spraying main pipe through a pipe joint.

[0059] The circulating pump sprays the treatment liquid in the recovery tank to the inside of the treatment tower through the delivery main pipe, the spraying main pipe, the spraying branch pipe, the circular seat and the spiral nozzle, and collides and reacts with the waste gas in the treatment tower.

[0060] As described above, due to the adoption of the above technical scheme, the present application has the following advantages:

[0061] 1、The present application, by setting the adjusting assembly, the initial use position between different first taper block and rack is set, and through the action of first electric push rod and annular slide plate, cooperate with infrared sensor to monitor the temperature of waste gas conveying in the processing tower, the extension distance of spiral nozzle in different position relative to the inside of the circular seat, realize the independent zoning height adjustment of multiple spiral nozzles in the processing tower, the device only needs a single driving source to realize the zoning, independent, sequential adjustment or overall coordinated adjustment of multiple spiral nozzles, adapt to the spatial difference of tower working condition, and the inner wall of the circular seat can assist to reduce the constraint effect on the extended spiral nozzle, so that the liquid film / liquid drop output by the spiral nozzle can diffuse more freely in the radial direction, form a wider spray cone angle, improve the cross section utilization rate, packing wetting uniformity and waste gas treatment effect in the tower, and the first electric push rod drives the annular slide plate and the connecting plate to move, so that the second taper block on the left and right sides can simultaneously extrude the rollers on the left and right sides, so as to synchronously adjust the overall spraying angle in the processing tower, realize the overall coordinated adjustment of the height of the spiral nozzle, quickly respond to the overall working condition change, and greatly improve the waste gas treatment effect of the device in the use process.

[0062] 2、The present application, by setting the parallel adjusting assembly, the liquid in the liquid capsule is delivered to the inside of the auxiliary liquid capsule by the second push rod, so that the auxiliary liquid capsule drives the third taper block to move outwardly relative to the first taper block and the second taper block, adjusts the use distance of the roller and the rectangular toothed plate, and further remotely adjusts the telescopic height of the spiral nozzle, so that the device can flexibly optimize the spraying coverage, mixing efficiency and residence time according to the real-time waste gas flow, temperature or component change, thereby significantly improving the adaptability of the device to complex and variable working conditions and the overall waste gas treatment efficiency and stability.

[0063] 3、The present application, by setting the cleaning slip ring, the sealing slip ring ensures the sealing effect between the circular seat and the spiral nozzle during the up and down movement of the spiral nozzle, and the cleaning slip ring cleans the use gap between the circular seat and the spiral nozzle during the up and down movement, which significantly improves the sealing reliability and smoothness of the device, and further improves the adaptability and maintenance-free nature of the device under harsh working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0064] Figure 1 It is the overall three-dimensional structure schematic diagram of the present application;

[0065] Figure 2 It is the internal three-dimensional structure schematic diagram of the processing tower of the present application;

[0066] Figure 3 It is the overall three-dimensional structure schematic diagram of the spraying main pipe and the temperature insulation pipe sleeve in the present application;

[0067] Figure 4 It is the partial internal three-dimensional structure schematic diagram of the temperature insulation pipe sleeve in the present application;

[0068] Figure 5 A local enlarged structure diagram of A in the present application Figure 4

[0069] Figure 6 A internal three-dimensional structure diagram of temperature insulation pipe sleeve in the present application

[0070] Figure 7 A local enlarged structure diagram of B in the present application Figure 6

[0071] Figure 8 A local enlarged structure diagram of C in the present application Figure 6

[0072] Figure 9 A overall three-dimensional structure diagram of circular seat in the present application

[0073] Figure 10 A overall split three-dimensional structure diagram of circular seat and spiral nozzle in the present application

[0074] Figure 11 A overall three-dimensional structure diagram of screw in the present application

[0075] Legend:

[0076] 1, processing tower; 2, recovery box; 3, circulating pump; 4, conveying main pipe; 5, spraying main pipe; 6, temperature insulation pipe sleeve; 7, adjusting assembly; 701, first electric push rod; 702, annular slide plate; 703, connecting plate; 704, first taper block; 705, second taper block; 706, roller; 707, rectangular toothed plate; 708, annular gear; 709, annular block; 710, connecting frame; 711, circular seat; 712, screw; 713, sliding sleeve; 714, fixed sleeve; 715, protective sealing layer; 716, connecting seat; 717, limiting slide plate; 718, rack; 8, parallel adjusting assembly; 801, annular fixed plate; 802, liquid bag; 803, annular plate; 804, second push rod; 805, third taper block; 9, circular seat; 10, spiral nozzle; 11, cleaning sliding ring. DETAILED DESCRIPTION

[0077] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0078] Please refer to Figures 1-11 ​​​The application provides a technical scheme: a high-temperature waste gas treatment device for a biomass combustion boiler, which comprises a treatment tower 1, a demister is arranged on the top side in the treatment tower 1, a plurality of filter screens are arranged below the demister, and the device further comprises:

[0079] A plurality of spray main pipes 5 are installed above the plurality of filter screens, and a plurality of spray branch pipes are communicated with the two sides of the spray main pipes 5;

[0080] A temperature insulation pipe sleeve 6 is sleeved on the outer circumferential side of the spray main pipes 5 and the spray branch pipes, an inner cavity is formed in the temperature insulation pipe sleeve 6, and a plurality of first through holes are formed in the bottom side in the temperature insulation pipe sleeve 6;

[0081] A plurality of circular seats 9 are installed at equal intervals on the bottom side in the spray main pipes 5 and the spray branch pipes, the circular seats 9 are located in the first through holes, and the top ends of the circular seats 9 are communicated with the spray main pipes 5 and the spray branch pipes;

[0082] A plurality of spiral nozzles 10 are installed on the bottom side in the circular seats 9;

[0083] An adjusting assembly 7 is installed in the temperature insulation pipe sleeve 6 and is used for respectively adjusting and synchronously adjusting the use positions of the plurality of spiral nozzles 10, so as to control the output spray angle and range of the spiral nozzles 10;

[0084] A parallel adjusting assembly 8 is installed in the temperature insulation pipe sleeve 6 and is located on one side of the adjusting assembly 7, and is used for further adjusting the moving stroke of the spiral nozzles 10;

[0085] In the prior art, the contact range of the water spray system and the waste gas is fixed, when the high-temperature waste gas is concentrated and transported to the bottom space in the tower through the inlet pipe, the concentration of the waste gas in the region may change when the high-temperature waste gas rises in the tower, and the fixed form of the spray system may cause the escape of part of the waste gas, thereby affecting the overall treatment effect of the device;

[0086] The embodiment of the present application can solve the above problems, and the specific implementation is as follows: first, install the treatment tower 1 to a suitable position, then transport the biomass combustion boiler exhaust gas after heat recovery to the inside bottom side of the treatment tower 1, then spray the treatment liquid to the inside of the treatment tower 1 through the conveying main pipe 4, the spraying main pipe 5, the spraying branch pipe, the circular seat 9 and the spiral nozzle 10, and make collision contact and reaction with the exhaust gas in the inside of the treatment tower 1, then monitor the exhaust gas carrying part of the heat into the inside of the treatment tower 1 through the external infrared sensor, then make the adjusting assembly 7 adjust the spiral nozzles 10 at different positions respectively or synchronously, change the spraying treatment effect of the spiral nozzles 10 at different positions on the exhaust gas at different positions, greatly improve the flexibility and treatment effect of the spiral nozzles 10 in the use process, then further adjust the use stroke of the spiral nozzles 10 according to the actual needs through the parallel adjusting assembly 8, and further ensure the overall treatment effect of the device.

[0087] As an optional embodiment, the adjusting assembly 7 comprises:

[0088] Two connecting plates 703 are symmetrically installed on both sides of the heat insulation pipe sleeve 6, and the connecting plates 703 are located on the inside bottom side of the heat insulation pipe sleeve 6;

[0089] Two groups of first taper blocks 704 are fixed on one side of the connecting plate 703, and the two groups of first taper blocks 704 are arranged on the opposite side of the two connecting plates 703, wherein each group of first taper blocks 704 is provided with a plurality of first taper blocks 704, and the plurality of first taper blocks 704 are distributed on the connecting plate 703, and the two groups of first taper blocks 704 are arranged in a cross array;

[0090] Two groups of second taper blocks 705 are symmetrically connected on the opposite side of the connecting plate 703, wherein each group of second taper blocks 705 is provided with a plurality of second taper blocks 705, and the plurality of second taper blocks 705 are arranged on one side of the plurality of first taper blocks 704, the second taper blocks 705 and the first taper blocks 704 are provided with cavities away from one side of the connecting plate 703, and a liquid conveying channel is formed in the connecting plate 703;

[0091] A driving unit is located in the inside of the heat insulation pipe sleeve 6, and is used for adjusting the use position of the connecting plate 703 and the first taper block 704;

[0092] A plurality of limiting adjusting units are installed in the inside of the circular seat 9 and located in the inside of the heat insulation pipe sleeve 6;

[0093] A plurality of protective sealing layers 715 are installed on the outer circumferential side of the plurality of circular seats 9, and the protective sealing layers 715 are sleeved on the outer circumferential side of the heat insulation pipe sleeve 6;

[0094] A limiting sliding plate 717 is arranged between the two connecting plates 703;

[0095] A plurality of racks 718 are installed on one side of the limiting sliding plate 717, and each rack 718 is provided with two, and the distance between the two racks 718 of each group is different;

[0096] By driving the connecting plate 703 to move, in the process, the first left first taper block 704 will adjust the use position of the spiral nozzle 10 inside the circular seat 9 through the first left limiting adjustment unit, then the driving unit will continuously drive the connecting plate 703 to move, which will adjust the use position of the spiral nozzle 10 inside the circular seat 9 on the spray main pipe 5, then the driving unit will continuously drive the connecting plate 703 to move, the first right first taper block 704 will adjust the use position of the spiral nozzle 10 inside the circular seat 9 through the first right limiting adjustment unit, and finally the driving unit will continuously drive the connecting plate 703 to move, the first left first taper block 704 will adjust the use position of the spiral nozzle 10 inside the circular seat 9 through the second left limiting adjustment unit. Adjusting the spiral nozzles 10 at different positions respectively, and changing the waste gas spraying treatment effect of the spiral nozzles 10 at different positions.

[0097] As an optional embodiment, the adjusting assembly 7 further comprises:

[0098] A plurality of connecting seats 716 are symmetrically installed inside the temperature insulation pipe sleeve 6, and the outer circumferential side of the connecting seat 716 is fixedly connected with the inner wall of the temperature insulation pipe sleeve 6;

[0099] A plurality of rectangular tooth plates 707 are symmetrically installed inside the temperature insulation pipe sleeve 6, and the rectangular tooth plate 707 is slidingly connected inside the connecting seat 716;

[0100] A plurality of rollers 706 are symmetrically installed inside the temperature insulation pipe sleeve 6, and one side of the roller 706 is fixed to one side of the outer wall of the rectangular tooth plate 707 through a fixed rod;

[0101] As an optional embodiment, the adjusting assembly 7 further comprises

[0102] A plurality of rectangular sliding plates are symmetrically installed inside the temperature insulation pipe sleeve 6, and the rectangular sliding plate is installed inside the connecting seat 716;

[0103] A plurality of springs are symmetrically installed on both sides of the rectangular tooth plate 707, and the springs are fixedly connected with the inner walls of the rectangular sliding plate and the connecting seat 716 on both sides;

[0104] As an optional embodiment, the driving unit comprises:

[0105] Two first electric push rods 701 are symmetrically distributed on one side inside the temperature insulation pipe sleeve 6;

[0106] The annular sliding plate 702 is located inside the temperature insulation pipe sleeve 6 and is slidingly connected to the outer circumferential side of the spray main pipe 5. One side of the annular sliding plate 702 is fixedly connected to the output end of the first electric push rod 701, and the other side of the annular sliding plate 702 is fixedly connected to the limiting sliding plate 717 and the connecting plate 703.

[0107] As an optional embodiment, the limiting and adjusting unit comprises:

[0108] The annular gear 708 is rotationally connected to the outer circumferential side of the circular seat 9.

[0109] The annular block 709 is rotationally connected to the inside of the circular seat 9, and the outer circumferential side of the annular block 709 is fixedly connected to the inner circumferential side of the annular gear 708.

[0110] The two connecting frames 710 are fixedly connected to the inner circumferential side of the annular block 709, and the inner circumferential side of the two connecting frames 710 is fixedly connected to the same circular seat 711.

[0111] The fixed sleeve 714 is installed inside the circular seat 9 through the fixed frame, and the fixed sleeve 714 is arranged below the circular seat 711. Limiting sliding grooves are formed in the inside of the fixed sleeve 714 on both sides.

[0112] The lead screw 712 is rotationally connected inside the fixed sleeve 714, and the top end of the lead screw 712 extends to the outside of the fixed sleeve 714 and is fixedly connected to the bottom of the circular seat 711. A reset assembly is arranged on the inside top side of the lead screw 712 for resetting the rotation position of the lead screw 712.

[0113] The sliding sleeve 713 is sleeved on the outer circumferential side of the lead screw 712 and is slidingly connected inside the fixed sleeve 714. The top part of the sliding sleeve 713 is drivingly connected to the outer circumferential side of the lead screw 712 through a lead screw seat. Limiting sliding blocks are fixedly connected to both sides of the lead screw seat and are slidingly connected inside the limiting sliding grooves. The bottom part of the sliding sleeve 713 extends to the outer circumferential side of the fixed sleeve 714 and is installed on the top part of the spiral nozzle 10 through the connecting frame.

[0114] When the first electric push rod 701 drives the annular sliding plate 702, the connecting plate 703 and the first taper block 704 to move, the left first taper block 704 will first contact the left roller 706, and the roller 706 drives the rectangular toothed plate 707 to move. Through the linkage effect between the rectangular toothed plate 707 and the annular gear 708, the power is transmitted to the annular gear 708, so that the annular gear 708 drives the annular block 709, the connecting frame 710, the circular seat 711 and the lead screw 712 to rotate. Then, through the linkage effect between the lead screw 712 and the lead screw seat, the power is transmitted to the lead screw seat, so that the lead screw seat drives the sliding sleeve 713 and the spiral nozzle 10 to move downwards, adjusts the use position between the spiral nozzle 10 and the circular seat 9, adjusts the extension distance of the spiral nozzle 10 in the circular seat 9, auxiliary reduces the constraint of the inner wall of the circular seat 9 on the spiral nozzle 10, can make the liquid film / liquid drop output by the spiral nozzle 10 more freely diffuse in the radial direction, form a wider spray cone angle, better wet the tower wall and the filler, reduce the "dry area" and the wall flow, and improve the tower cross section utilization rate and the processing effect.

[0115] As an optional embodiment, the parallel adjusting assembly 8 comprises:

[0116] The annular fixed plate 801 is fixedly connected to the inner circumferential side of the temperature insulation pipe sleeve 6, and a first rectangular through hole is formed in one side of the interior of the annular fixed plate 801.

[0117] The liquid bag 802 is fixedly connected to one side of the annular fixed plate 801, and the liquid bag 802 is arranged on the side away from the connecting plate 703. The cross-sectional shape of the liquid bag 802 is annular, and a second rectangular through hole is formed in one side of the interior of the liquid bag 802. The second rectangular through hole and the first rectangular through hole are on the same axis. The liquid bag 802 is in communication with the liquid delivery channel in the connecting plate 703 through a liquid delivery hose.

[0118] The annular plate 803 is installed on one side of the liquid bag 802, and the annular plate 803 is slidingly connected in the interior of the temperature insulation pipe sleeve 6.

[0119] The two second push rods 804 are circumferentially arranged on one side of the annular plate 803, and one side of the second push rod 804 is fixedly connected to the inner wall of the temperature insulation pipe sleeve 6. The output shaft of the second push rod 804 is fixedly connected to the outer wall of the annular plate 803.

[0120] As an optional embodiment, the parallel adjusting assembly 8 further comprises:

[0121] The plurality of third taper blocks 805 are slidingly connected to the interiors of the first taper block 704 and the second taper block 705, respectively. A secondary liquid bag is fixedly connected to one side of the third taper block 805. The other side of the secondary liquid bag is fixedly connected to the inner walls of the first taper block 704 and the second taper block 705. The secondary liquid bag is in communication with the liquid delivery channel in the connecting plate 703 through a pipeline.

[0122] A plurality of limiting springs are symmetrically installed on both sides of the auxiliary liquid capsule, and the two sides of the limiting spring are fixedly connected with the inner walls of the third taper block 805, the first taper block 704 and the second taper block 705, respectively.

[0123] According to the actual needs, the second push rod 804 is started to drive the annular plate 803 to extrude the liquid capsule 802, so that the liquid in the liquid capsule 802 is transported to the inside of the liquid delivery channel in the connecting plate 703 through the liquid delivery pipe, and then transported to the inside of the auxiliary liquid capsule through the pipeline, so that the auxiliary liquid capsule drives the third taper block 805 to move outward of the first taper block 704 and the second taper block 705, adjusts the use distance of the roller 706 and the rectangular toothed plate 707, further adjusts the telescopic height of the spiral nozzle 10, and further affects the treatment effect of the high-temperature waste gas of the device, so as to ensure the treatment effect of the device.

[0124] As an optional embodiment, it further comprises:

[0125] The cleaning sliding ring 11 is sleeved on the outer circumferential side of the spiral nozzle 10, and the cleaning sliding ring 11 is slidingly connected in the inside of the circular seat 9.

[0126] The sealing sliding ring is arranged above the cleaning sliding ring 11, and the sealing sliding ring is sleeved on the outer circumferential side of the spiral nozzle 10.

[0127] During the up-down movement of the spiral nozzle 10, the sealing sliding ring ensures the sealing effect between the circular seat 9 and the spiral nozzle 10, and during the up-down movement of the cleaning sliding ring 11, the use gap between the circular seat 9 and the spiral nozzle 10 is cleaned, so as to ensure the self-cleaning effect of the device during use.

[0128] As an optional embodiment, it further comprises:

[0129] The recovery tank 2 is communicated to one side of the bottom of the treatment tower 1, and the bottom of the recovery tank 2 is fixedly connected to the bottom of the treatment tower 1 through a support;

[0130] The circulating pump 3 is connected to the recovery tank 2 through a liquid suction pipeline at the input end;

[0131] The delivery main pipe 4 is connected to the output end of the circulating pump 3, and the delivery main pipe 4 is connected to the spray main pipe 5 through a pipe joint;

[0132] The circulating pump 3 sprays the treatment liquid in the recovery tank 2 to the inside of the treatment tower 1 through the delivery main pipe 4, the spray main pipe 5, the spray branch pipe, the circular seat 9 and the spiral nozzle 10, and collides and reacts with the waste gas in the inside of the treatment tower 1.

[0133] Working principle: in use, first install the processing tower 1 to the appropriate position, then deliver the biomass combustion boiler exhaust after heat recovery to the bottom side of the processing tower 1, then make the circulating pump 3 spray the processing liquid in the recovery tank 2 to the inside of the processing tower 1 through the delivery main pipe 4, the spraying main pipe 5, the spraying branch pipe, the circular seat 9 and the spiral nozzle 10, and make the processing liquid collide with and react with the exhaust gas in the processing tower 1, and monitor the exhaust gas carrying part of the heat into the processing tower 1 through the external infrared sensor;

[0134] According to actual needs, the first electric push rod 701 is started to drive the annular sliding plate 702, the connecting plate 703 and the first taper block 704 to move, at this time, the first taper block 704 on the left side will first contact the left roller 706 and make the roller 706 drive the rectangular toothed plate 707 to move, the power is transmitted to the ring gear 708 through the linkage effect between the rectangular toothed plate 707 and the ring gear 708, the ring gear 708 drives the annular block 709, the connecting frame 710, the circular seat 711 and the lead screw 712 to rotate, then the power is transmitted to the lead screw seat through the linkage effect between the lead screw 712 and the lead screw seat, the lead screw seat drives the sliding sleeve 713 and the spiral nozzle 10 to move downward, the use position between the spiral nozzle 10 and the circular seat 9 is adjusted, then the first electric push rod 701 continuously drives the limiting sliding plate 717 to move, at this time, the rack 718 will engage with the ring gear 708 on the outer circumferential side of the circular seat 9 on the spraying main pipe 5, in this process, the first taper block 704 releases the extrusion of the roller 706, and the ring gear 708 on the outer circumferential side of the circular seat 9 on the spraying main pipe 5 adjusts the use height of the spiral nozzle 10 on the spraying main pipe 5 during rotation;

[0135] Afterwards, the first electric push rod 701 continues to drive the annular slide plate 702 to move, the first cone block 704 on the right side will extrude the right side of the roller 706, at this time the rack 718 is out of engagement with the ring gear 708, and the right side of the rectangular toothed plate 707 will drive the right side of the ring gear 708 to rotate, adjusting the right side of the spiral nozzle 10, and similarly, the first electric push rod 701 continues to drive the annular slide plate 702 to move, at this time the first cone block 704 on the right side will release the extrusion effect on the right side of the roller 706, and the first cone block 704 in the middle on the left side will extrude the roller 706 in the middle on the left side, so as to adjust the use position of the spiral nozzle 10 in the middle on the left side, by initially setting the use position between different first cone blocks 704 and the rack 718, and through the action of the first electric push rod 701 and the annular slide plate 702, cooperating with the infrared sensor to monitor the temperature of the waste gas transported in the treatment tower 1, the spiral nozzles 10 at different positions are adjusted respectively, so as to adjust the spraying range and liquid particle size of different regions in the treatment tower 1, and then adaptively adjust and process the waste gas in different regions in the treatment tower 1;

[0136] When the treatment tower 1 needs to adjust the spraying effect of the spiral nozzle 10 as a whole, the first electric push rod 701 continues to move, at this time the second cone block 705 on the left and right sides will simultaneously extrude the roller 706 on the left and right sides, and the rack 718 will simultaneously engage with the ring gear 708, and the use position between the spiral nozzles 10 relative to the circular seat 9 is adjusted, so as to adjust the overall spraying angle in the treatment tower 1, and in the process of upward and downward movement of the spiral nozzle 10, the sealing slide ring ensures the sealing effect between the circular seat 9 and the spiral nozzle 10, and the cleaning slide ring 11 cleans the use gap between the circular seat 9 and the spiral nozzle 10 in the process of upward and downward movement;

[0137] According to actual needs, the second push rod 804 is started, the annular plate 803 drives the liquid tank 802 to extrude, the liquid in the liquid tank 802 is transported to the liquid delivery channel in the connecting plate 703 through the liquid delivery pipe, and then is transported to the auxiliary liquid tank through the pipeline, so that the auxiliary liquid tank drives the third cone block 805 to move outward relative to the first cone block 704 and the second cone block 705, the use distance of the roller 706 and the rectangular toothed plate 707 is adjusted, and the telescopic height of the spiral nozzle 10 is further adjusted.

[0138] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A high-temperature exhaust gas treatment device for a biomass combustion boiler, comprising a treatment tower (1), wherein a demister is provided on the top side inside the treatment tower (1), and a plurality of filter screens are provided below the demister, characterized in that, Also includes: Multiple main spray pipes (5) are installed above multiple filter screens, and multiple branch spray pipes are connected to both sides of the main spray pipes (5); The heat insulation sleeve (6) is sleeved on the outer periphery of the main spray pipe (5) and the branch spray pipe. The heat insulation sleeve (6) has an inner cavity and multiple first through holes are opened on the bottom side of the inner cavity. Multiple round seats (9) are installed at equal intervals on the bottom side inside the main spray pipe (5) and the branch spray pipe, and the round seats (9) are located inside the first through hole. The top of the round seats (9) is connected to the main spray pipe (5) and the branch spray pipe. Multiple spiral nozzles (10) are installed on the bottom side inside the round base (9); Adjustment component (7), installed inside the insulation sleeve (6), includes: Two connecting plates (703) are symmetrically installed on both sides inside the insulation sleeve (6), and the connecting plates (703) are located on the bottom side inside the insulation sleeve (6); Two sets of first cone blocks (704) are fixed to one side of the outside of the connecting plate (703), and two sets of second cone blocks (705) are equidistantly and symmetrically connected to the opposite side of the connecting plate (703); The drive unit, located inside the insulation sleeve (6), is used to adjust the position of the connecting plate (703) and the first cone block (704); A limiting slide (717) is positioned between two connecting plates (703); Multiple sets of racks (718) are installed on one side of the limiting slide plate (717), and each set of racks (718) has two racks, with different working distances between the two racks (718) in each set; Multiple sets of connecting seats (716) are symmetrically installed on both sides inside the insulation sleeve (6), and the outer periphery of the connecting seat (716) is fixedly connected to the inner wall of the insulation sleeve (6); Multiple sets of rectangular toothed plates (707) are symmetrically installed on both sides inside the insulation sleeve (6), and the rectangular toothed plates (707) are slidably connected inside the connecting seat (716); Multiple sets of rollers (706) are symmetrically installed on both sides inside the insulation sleeve (6), and one side of the rollers (706) is fixed to the outer wall of the rectangular toothed plate (707) by a fixing rod; Multiple limit adjustment units are installed inside the circular base (9) and located inside the thermal insulation sleeve (6). The limit adjustment units include: The ring gear (708) is rotatably connected to the outer circumference of the round seat (9); The annular block (709) is rotatably connected to the inside of the round seat (9), and the outer circumference of the annular block (709) is fixedly connected to the inner circumference of the annular gear (708); The outer periphery of the two connecting frames (710) is fixedly connected to the inner periphery of the annular block (709), and the inner periphery of the two connecting frames (710) is fixedly connected to the same circular seat (711). The fixing sleeve (714) is installed inside the round seat (9) by a fixing bracket, and the fixing sleeve (714) is located below the round seat (711). Limiting grooves are opened on both sides inside the fixing sleeve (714). The lead screw (712) is rotatably connected inside the fixed sleeve (714), and the top of the lead screw (712) extends to the outside of the fixed sleeve (714) and is fixedly connected to the bottom of the circular seat (711). A reset component is provided on the top side inside the lead screw (712) for resetting the rotation position of the lead screw (712). A sliding sleeve (713) is sleeved on the outer periphery of the lead screw (712), and the sliding sleeve (713) is slidably connected to the inside of the fixed sleeve (714). The top of the sliding sleeve (713) is connected to the outer periphery of the lead screw (712) through the lead screw seat. Limiting sliders are fixedly connected on both sides of the lead screw seat. The limiting sliders are slidably connected to the inside of the limiting groove. The bottom of the sliding sleeve (713) extends to the outer periphery of the fixed sleeve (714) and is installed on the top of the spiral nozzle (10) through the connecting bracket. When the limiting slide (717) moves, the rack (718) will mesh with the ring gear (708) on the outer periphery of the round seat (9) on the spray pipe (5), the first cone (704) will release the squeezing action on the roller (706), and the ring gear (708) on the outer periphery of the round seat (9) on the spray pipe (5) will adjust the usage height of the spiral nozzle (10) on the spray pipe (5) during rotation, so as to adjust the usage position of multiple spiral nozzles (10) separately and synchronously, so as to control the output spray angle and range of the spiral nozzle (10); The parallel adjustment assembly (8) is installed inside the insulation sleeve (6) and is located on one side of the adjustment assembly (7) for further adjusting the travel of the spiral nozzle (10).

2. The high-temperature waste gas treatment device for a biomass combustion boiler according to claim 1, characterized in that, The adjustment component (7) further includes: Two sets of first cone blocks (704) are set on opposite sides of two connecting plates (703), with multiple first cone blocks (704) in each set, and multiple first cone blocks (704) are distributed on the connecting plate (703), and the two sets of first cone blocks (704) are arranged in a cross array. Each group of second cone blocks (705) is provided with multiple second cone blocks (705), and multiple second cone blocks (705) are provided on one side of multiple first cone blocks (704). Both the second cone blocks (705) and the first cone blocks (704) have cavities on the side away from the connecting plate (703). The connecting plate (703) has an infusion channel inside. Multiple protective sealing layers (715) are installed on the outer periphery of multiple round seats (9), and the protective sealing layers (715) are sleeved on the outer periphery of the insulation sleeve (6).

3. The high-temperature waste gas treatment device for a biomass combustion boiler according to claim 2, characterized in that, The adjustment component (7) also includes Multiple rectangular sliding plates are symmetrically installed on both sides inside the insulation sleeve (6), and the rectangular sliding plates are installed inside the connecting seat (716); Multiple sets of springs are symmetrically installed on both sides of the rectangular toothed plate (707), and the two sides of the springs are fixedly connected to the inner walls of the rectangular sliding plate and the connecting seat (716), respectively.

4. A high-temperature waste gas treatment device for a biomass combustion boiler according to claim 2, characterized in that, The driving unit includes: Two first electric push rods (701) are symmetrically distributed on one side inside the insulation sleeve (6); The annular slide plate (702) is located inside the heat insulation sleeve (6) and is slidably connected to the outer periphery of the spray main pipe (5). One side of the annular slide plate (702) is fixedly connected to the output end of the first electric push rod (701), and the other side of the annular slide plate (702) is fixedly connected to the limiting slide plate (717) and the connecting plate (703).

5. A high-temperature waste gas treatment device for a biomass combustion boiler according to claim 2, characterized in that, The parallel adjustment component (8) includes: An annular fixing plate (801) is fixedly connected to the inner circumference of the heat insulation sleeve (6), and a first rectangular through hole is provided on one side of the annular fixing plate (801); The liquid bladder (802) is fixedly connected to one side of the annular fixing plate (801), and the liquid bladder (802) is located on the side away from the connecting plate (703). The cross-sectional shape of the liquid bladder (802) is set as annular, and a second rectangular through hole is opened on one side inside the liquid bladder (802). The second rectangular through hole and the first rectangular through hole are on the same axis. The liquid bladder (802) is connected to the infusion channel inside the connecting plate (703) through the infusion hose. An annular plate (803) is installed on one side of the liquid bladder (802), and the annular plate (803) is slidably connected inside the heat insulation sleeve (6); Two second push rods (804) are arranged in a circular array on one side of the annular plate (803), and one side of the second push rod (804) is fixedly connected to the inner wall of the heat insulation sleeve (6). One end of the output shaft of the second push rod (804) is fixedly connected to the outer wall of the annular plate (803).

6. A high-temperature waste gas treatment device for a biomass combustion boiler according to claim 5, characterized in that, The parallel adjustment component (8) further includes: Multiple third cone blocks (805) are slidably connected to the inside of the first cone block (704) and the second cone block (705), and a secondary liquid bladder is fixedly connected to one side of the third cone block (805), and the other side of the secondary liquid bladder is fixedly connected to the inner wall of the first cone block (704) and the second cone block (705). The secondary liquid bladder is connected to the infusion channel inside the connecting plate (703) through a pipe. Multiple sets of limiting springs are symmetrically installed on both sides of the auxiliary liquid bladder, and the two sides of the limiting springs are fixedly connected to the inner walls of the third cone (805), the first cone (704), and the second cone (705), respectively.

7. A high-temperature waste gas treatment device for a biomass combustion boiler according to claim 1, characterized in that, Also includes: A cleaning slip ring (11) is fitted on the outer periphery of the spiral nozzle (10), and the cleaning slip ring (11) is slidably connected inside the round seat (9); A sealing slip ring is positioned above the cleaning slip ring (11) and is fitted around the outer periphery of the spiral nozzle (10).

8. A high-temperature waste gas treatment device for a biomass combustion boiler according to claim 1, characterized in that, Also includes: The recycling bin (2) is connected to one side of the bottom of the processing tower (1), and the bottom of the recycling bin (2) is fixedly connected to the bottom of the processing tower (1) by a support; The input end of the circulating pump (3) is connected to the recovery tank (2) through the liquid extraction pipe; The main conveying pipe (4) is connected to the output end of the circulating pump (3), and the main conveying pipe (4) is connected to the main spray pipe (5) through a pipe joint.

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