CN218237509U

CN218237509U - Boiler tail gas device

Info

Publication number: CN218237509U
Application number: CN202222501444.6U
Authority: CN
Inventors: 王运峰; 张雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-01-06
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a boiler tail gas device, including the intercommunication and fixing the tail gas flue pipe on the boiler outlet flue, the intraductal movable sleeve of tail gas flue is equipped with the installation pipe, and the right-hand member of installation pipe extends to the right side of tail gas flue pipe, and the right-hand member screw thread of installation pipe and tail gas flue pipe is fixed, and the filter component is installed in the sealed rotation of installation pipe. The utility model discloses a setting of filter element and purification mechanism, can carry out effective filtration purification treatment to the pollutant in the exhaust tail gas, reduce the pollution of tail gas discharge to the environment, and pass through flow velocity transducer, audible-visual annunciator, band-type brake motor and controller's setting, can in time report to the police when jam appears in one of them box-shaped filter screen and remind personnel and switch the use to the box-shaped filter screen, thereby realize crossing the purpose of filtering the clearance in turn to two box-shaped filter screens, make and need not stop tail gas discharge when the clearance, can effectually save downtime, improve filtration treatment efficiency.

Description

Boiler tail gas device

Technical Field

The utility model relates to a boiler tail gas equipment technical field especially relates to a boiler tail gas device.

Background

The boiler can generate a large amount of tail gas in the use process, most of the tail gas exhausted from a tail gas flue pipe of the boiler is directly exhausted to the outside after being filtered by a simple filter screen, the tail gas can only filter dust and cannot block pollutants in a simple filtering mode, and the tail gas contains a large amount of nitrogen oxides which are exhausted to the outside, so that the environment is easily polluted and the tail gas exhaust standard is not met; in addition, the filter screen is used for a long time, so that blockage is easily caused, and people cannot be reminded of cleaning the filter screen in time when the filter screen is blocked, so that the situation is integrated, and therefore the boiler tail gas device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a boiler tail gas device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a boiler tail gas device, including the intercommunication and fix the tail gas flue pipe on boiler smoke outlet, the intraductal movable sleeve of tail gas flue is equipped with the installation pipe, the right-hand member of installation pipe extends to the right side of tail gas flue pipe, the right-hand member thread tightening of installation pipe and tail gas flue pipe, the sealed rotation of installation pipe installs filter assembly, carry out filtration treatment to exhaust tail gas through filter assembly, fixedly connected with and filter assembly matched with tail gas collection subassembly on the top inner wall of installation pipe, tail gas collection subassembly is used for collecting and leading-in to filter assembly exhaust tail gas, the left side of tail gas collection subassembly extends to the left side of installation pipe, the purification mechanism that the top fixedly connected with of installation pipe and filter assembly are linked together, purification mechanism is used for carrying out purification treatment to the tail gas after filtering, filter assembly's right side fixedly connected with bull stick, the right side top fixedly connected with L shape mounting panel of installation pipe, the bottom fixedly connected with output shaft of L shape mounting panel and the right-hand member fixed connection's of bull stick brake motor, cooperate through band-type motor and bull stick, can drive the rotation of filter assembly rotation, the front side fixed and the electric connection of band-type brake motor and the electric property control ware, the velocity of flow sensor that the tail gas flow sensor that the bottom fixed connection of band-type flow sensor is connected with the pole, the acoustic-type flow velocity sensor is linked together, the acoustic-type flow velocity sensor is connected with the acoustic-type flow velocity sensor, the acoustic-type flow sensor is connected with the exhaust flow velocity sensor, the bottom of the acoustic-type flow velocity sensor, the acoustic-type flow sensor is connected with the acoustic-type flow velocity sensor, the acoustic-type flow velocity sensor is connected with the acoustic-type flow sensor.

Preferably, the filter assembly includes that sealed rotation installs the circular block in the installation pipe, and the right side of circular block and the left end fixed connection of bull stick, two rectangular holes have been seted up on the right side of circular block, and the movable cover in the rectangular hole is equipped with the box-shaped filter screen that the left side set up for the opening, filters the dust impurity in the tail gas through the box-shaped filter screen, and the right side fixedly connected with pull ring of box-shaped filter screen, the left side fixed mounting of circular block has the baffle, and two inlet ports have been seted up on the right side of baffle, and the inlet port is linked together with the rectangular hole that corresponds.

Preferably, the tail gas collecting assembly comprises a first connecting pipe fixedly mounted on the inner wall of the top of the mounting pipe, the right end of the first connecting pipe is in sealed movable contact with the left side of the baffle, the upper air inlet hole of the first connecting pipe is communicated with the lower air inlet hole of the two air inlet holes, the left end of the first connecting pipe is communicated with and fixed with a gas collecting hood movably sleeved in the tail gas flue pipe, and the gas collecting hood is used for collecting tail gas discharged into the tail gas flue pipe.

Preferably, purification mechanism includes fixed connection and is at the purifying box on the installation pipe top inner wall, establish to the opening at the top of purifying box, it is the check valve of export to inlay the right side to be equipped with on the left side inner wall of purifying box, the right side intercommunication of check valve is fixed with L shape connecting pipe, L shape connecting pipe is used for leading-in the purifying box with gas, the setting of check valve, can effectually avoid the phenomenon of gas reflux, the left side of check valve is linked together with the rectangular hole of top, the right side of circular block and the left side sealing movable contact of purifying box, flow rate sensor's bottom is linked together with the inside of purifying box, the purifying box intussuseption is filled with the nitrogen oxide absorption liquid, absorb the purification treatment through the nitrogen oxide absorption liquid in to tail gas, the purifying box is located the top of bull stick.

Preferably, the distance between the front side inner wall and the rear side inner wall of the rectangular hole is smaller than the distance between the front side and the rear side of the purification box, the distance between the top inner wall and the bottom inner wall of the rectangular hole is smaller than the distance between the top and the bottom of the purification box, and the purification box is used for sealing and shielding the rectangular hole above.

Preferably, the mounting tube is internally and fixedly sleeved with two large bearings, the inner sides of the inner rings of the large bearings are fixedly connected with the outer sides of the circular blocks, and the large bearings have the effect of rotating and mounting the circular blocks.

Preferably, the equal fixedly connected with nut in top and the bottom of installation pipe, two thread grooves have been seted up to the right-hand member of tail gas flue pipe, and thread groove internal thread cover is equipped with T shape fixing bolt, and nut thread cover is established on the T shape fixing bolt that corresponds, through the mode of T shape fixing bolt and nut cooperation installation between installation piece and the tail gas flue pipe, can follow-up take off the installation piece.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the exhaust tail gas can be effectively filtered and purified through the matching of the filtering component, the tail gas collecting component and the purifying mechanism, so that pollutants in the tail gas can be effectively absorbed, and the pollution of the tail gas exhaust to the environment is reduced;

2. through the cooperation of the band-type brake motor, the controller, the rotating rod, the flow velocity sensor and the audible and visual alarm, when one box-shaped filter screen is blocked, the alarm can be given out in time to remind people and the box-shaped filter screens can be switched for use, and the purpose of alternately filtering and cleaning the two box-shaped filter screens is realized through the switching use mode, so that tail gas discharge does not need to be stopped during cleaning, the shutdown waiting time can be effectively saved, and the filtering treatment efficiency is improved;

the utility model discloses a setting of filter element and purification mechanism, can carry out effective filtration purification treatment to the pollutant in the exhaust tail gas, reduce the pollution of tail gas discharge to the environment, and pass through flow velocity transducer, audible-visual annunciator, band-type brake motor and controller's setting, can in time report to the police when jam appears in one of them box-shaped filter screen and remind personnel and switch the use to the box-shaped filter screen, thereby realize crossing the purpose of filtering the clearance in turn to two box-shaped filter screens, make and need not stop tail gas discharge when the clearance, can effectually save downtime, improve filtration treatment efficiency.

Drawings

Fig. 1 is a schematic perspective view of a boiler tail gas device according to the present invention;

FIG. 2 is a front cross-sectional structural view of FIG. 1;

fig. 3 is a schematic diagram of a right-side view structure of a circular block of a boiler tail gas device according to the present invention.

In the figure: 100. a boiler; 101. a tail gas flue pipe; 1. installing a pipe; 2. a gas-collecting hood; 3. a first connecting pipe; 4. a circular block; 5. a baffle plate; 6. an air intake; 7. a box-shaped filter screen; 8. a purification box; 9. a rotating rod; 10. an L-shaped connecting pipe; 11. a one-way valve; 12. a flow rate sensor; 13. an L-shaped mounting plate; 14. a band-type brake motor; 15. a controller; 16. an audible and visual alarm; 17. a rectangular hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a boiler tail gas device comprises a tail gas flue pipe 101 communicated with and fixed on a smoke outlet of a boiler 100, wherein an installation pipe 1 is movably sleeved in the tail gas flue pipe 101, the right end of the installation pipe 1 extends to the right side of the tail gas flue pipe 101, the installation pipe 1 is fixed with the right end of the tail gas flue pipe 101 through screw threads, nuts are fixedly connected to the top and the bottom of the installation pipe 1, two thread grooves are formed in the right end of the tail gas flue pipe 101, T-shaped fixing bolts are sleeved in the thread grooves, the nut thread grooves are sleeved on the corresponding T-shaped fixing bolts, the installation pipe 1 and the tail gas flue pipe 101 are connected through the T-shaped fixing bolts and the nuts in a matching manner, the installation pipe 1 is conveniently taken down subsequently, and a filter assembly is hermetically and rotatably installed in the installation pipe 1, the filter assembly comprises a circular block 4 which is installed in an installation pipe 1 in a sealing and rotating mode, wherein two large bearings are fixedly sleeved in the installation pipe 1, the inner sides of the inner rings of the large bearings are fixedly connected with the outer sides of the circular block 4, the circular block 4 is installed in a rotating mode through the large bearings, two rectangular holes 17 are formed in the right side of the circular block 4, a box-shaped filter screen 7 with the left side being provided with an opening is movably sleeved in each rectangular hole 17, a pull ring is fixedly connected to the right side of the box-shaped filter screen 7, a connecting rod is fixedly connected to the right side of the box-shaped filter screen 7, the pull ring is fixedly connected to the right end of the corresponding connecting rod, a baffle plate 5 is fixedly installed on the left side of the circular block 4, the baffle plate 5 is used for shielding the two rectangular holes 17, two air inlets 6 are formed in the right side of the baffle plate 5, and the air inlets 6 are communicated with the corresponding rectangular holes 17;

a tail gas collecting component communicated with an upper gas inlet 6 is fixedly connected to the inner wall of the top of the mounting pipe 1, the left side of the tail gas collecting component extends to the left side of the mounting pipe 1, wherein the tail gas collecting component comprises a first connecting pipe 3 fixedly mounted on the inner wall of the top of the mounting pipe 1, a supporting block is fixedly connected to the inner wall of the top of the mounting pipe 1, the bottom of the supporting block is fixedly connected with the bottom of the first connecting pipe 3, the first connecting pipe 3 is supported by the supporting block, the right end of the first connecting pipe 3 is in sealed movable contact with the left side of the baffle 5, a first sealing rubber sheet is fixedly bonded to the left side of the baffle 5, two vent holes are formed in the left side of the first sealing rubber sheet, the vent holes are communicated with the corresponding gas inlet 6, the left side of the first sealing rubber sheet is in movable contact with the right end of the first connecting pipe 3, the first connecting pipe 3 is communicated with the upper gas inlet 6 in the two gas inlets 6 and matched with the lower gas inlet 6, a gas collecting cover 2 movably sleeved in the flue pipe 101 is communicated with and fixed to the left end of the first connecting pipe 3, and the outer side of the gas collecting cover 2 is in movable contact with the inner wall of the flue pipe 101;

the top of the installation pipe 1 is fixedly connected with a purification mechanism communicated with a rectangular hole 17 above, wherein the purification mechanism comprises a purification box 8 fixedly connected on the inner wall of the top of the installation pipe 1, the top of the purification box 8 is provided with an opening, a check valve 11 with an outlet at the right side is embedded on the inner wall at the left side of the purification box 8, wherein the inner wall at the right side of the purification box 8 is provided with an installation hole for installing the check valve 11, the right side of the check valve 11 is communicated and fixed with an L-shaped connecting pipe 10, the left side of the check valve 11 is communicated with the rectangular hole 17 above, the right side of the circular block 4 is in sealing movable contact with the left side of the purification box 8, the left side of the purification box 8 is fixedly bonded with a second sealing rubber, and the left side of the second sealing rubber is in movable contact with the right side of the circular block 4, the circular block 4 is in sealed movable contact with the purification box 8 through the second sealing rubber sheet, wherein the distance between the inner wall of the front side and the inner wall of the rear side of the rectangular hole 17 is smaller than the distance between the front side and the rear side of the purification box 8, the distance between the inner wall of the top part and the inner wall of the bottom part of the rectangular hole 17 is smaller than the distance between the top part and the bottom part of the purification box 8, the rectangular hole 17 above the purification box 8 can be shielded, the purification box 8 is filled with nitrogen oxide absorption liquid, the right side of the purification box 8 is communicated and fixed with a liquid discharge pipe, a blocking cover is sleeved on the liquid discharge pipe in a threaded manner, the nitrogen oxide absorption liquid in the purification box 8 is replaced through the liquid discharge pipe, and the nitrogen oxide absorption liquid is used for absorbing nitrogen oxides in tail gas;

the utility model discloses a right side fixedly connected with bull stick 9 of circular block 4, the right side top fixedly connected with L shape mounting panel 13 of installation pipe 1, the bottom fixedly connected with output shaft of L shape mounting panel 13 and the band-type brake motor 14 of the right-hand member fixed connection of bull stick 9, support band-type brake motor 14 through L shape mounting panel 13, the fixed and electrically connected with controller 15 in front of band-type brake motor 14, the fixed connection in right side of L shape mounting panel 13 and the audible-visual annunciator 16 of controller 15 electric connection, the top intercommunication of installation pipe 1 is fixed with velocity of flow sensor 12, velocity of flow sensor 12 and controller 15 electric connection, the bottom of velocity of flow sensor 12 is linked together with the inside of purifying box 8, the utility model discloses a setting of filter assembly and purification mechanism can in time report to the police and remind and switch over the use to filter screen 7 when the pollutant in the exhaust tail gas appears blocking, thereby realize the pollution of tail gas discharge to the environment, and through velocity of flow sensor 12, audible-visual annunciator 16, band-type brake motor 14 and controller 15's setting, can in time the warning personnel of reminding when two filter screens 7 appear blocking, make the filter screen to stop to clear up in turn, can save the effectual filtration efficiency of waiting for the filtration.

The working principle is as follows: when the tail gas purification device is used, when tail gas in a boiler enters the tail gas flue pipe 101, the tail gas sequentially enters the upper box-shaped filter screen 7 through the gas collecting hood 2, the first connecting pipe 3 and the upper gas inlet 6, the tail gas passes through the upper box-shaped filter screen 7 and is sequentially introduced into nitrogen oxide absorption liquid in the purification box 8 through the one-way valve 11 and the L-shaped connecting pipe 10, dust impurities in the tail gas are filtered and shielded in the upper box-shaped filter screen 7, the nitrogen oxide absorption liquid absorbs and purifies the nitrogen oxide in the tail gas, the purified gas gradually floats upwards and is discharged to the outside through the flow rate sensor 12, and pollutants in the tail gas can be effectively absorbed through a tail gas filtering, absorbing and purifying mode, so that the discharged tail gas meets the standard and the environmental pollution is reduced;

the flow velocity sensor 12 detects the flow velocity of the flowing gas, when the flow velocity sensor 12 detects that the flow velocity is lower than a preset value, the situation that the box-shaped filter screen 7 located above is blocked is proved, the flow velocity sensor 12 transmits a signal to the controller 15, the controller 15 controls the band-type brake motor 14 and the audible and visual alarm 16 to be opened, the audible and visual alarm 16 gives out audible and visual alarm to remind people, an output shaft of the band-type brake motor 14 drives the rotating rod 9 to rotate, the rotating rod 9 drives the circular block 4 to rotate, the circular block 4 drives the baffle plate 5 and the two air inlet holes 6 located above the baffle plate to rotate, so that the air inlet holes 6 located above the baffle plate rotate to the bottom, the air inlet holes 6 located below the circular block 4 also drives the two box-shaped filter screens 7 to rotate, so that the box-shaped filter screen 7 located above the baffle plate rotates to the bottom, tail gas at the moment is sequentially flowed through the air inlet holes 6 located above the box-shaped filter screen 7 and continues to flow velocity, and when the flow velocity sensor 12 detects that the preset value is restored, the flow velocity sensor 12 transmits the signal to the controller 15 controls the band-type brake motor 14 and the audible and visual alarm 16 to be closed again;

when a person hears an alarm, the person can directly pull the pull ring positioned below through the mounting pipe 1, the pull ring below drives the box-shaped filter screen 7 positioned below to move out of the corresponding rectangular hole 17, so that the moved box-shaped filter screen 7 can be cleaned, the box-shaped filter screen 7 can be moved into the rectangular hole 17 again after cleaning to wait for next use, when the flow velocity sensor 12 detects that the tail gas flow velocity is lower than the preset value again, the flow velocity sensor 12 controls the band-type brake motor 14 and the audible and visual alarm 16 to be started again through the controller 15, so that the band-type brake motor 14 drives the two box-shaped filter screens 7 to rotate again through the rotating rod 9 and the circular block 4, the box-shaped filter screen 7 positioned above rotates to below, and the box-shaped filter screen 7 positioned below rotates to above, the aim of filtering and cleaning the two box-shaped filter screens 7 alternately is fulfilled, tail gas exhaust does not need to stop during cleaning, the halt waiting time can be effectively saved, and the filtering efficiency is improved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific situations.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a boiler tail gas device, including intercommunication and fixing tail gas flue pipe (101) on boiler (100) outlet flue, a serial communication port, movable sleeve is equipped with installation pipe (1) in tail gas flue pipe (101), the right-hand member of installation pipe (1) extends to the right side of tail gas flue pipe (101), the right-hand member thread tightening of installation pipe (1) and tail gas flue pipe (101), the installation pipe (1) internal seal rotates installs filter assembly, fixedly connected with on the top inner wall of installation pipe (1) and filter assembly matched with tail gas collection subassembly, the left side of tail gas collection subassembly extends to the left side of installation pipe (1), the top fixedly connected with of installation pipe (1) and the purification mechanism that filter assembly is linked together, the right side fixedly connected with bull stick (9) of filter assembly, the right side top fixedly connected with L shape mounting panel (13) of installation pipe (1), the bottom fixedly connected with of L shape mounting panel (13) output shaft and the right-hand member fixed connection's of bull stick (9) band-type brake motor (14), the front side fixedly connected with electrical property controller (15) of band-type brake motor (14), the flow rate controller (15) and the acoustic-type transducer (12) of the top fixedly connected with the acoustic-optic sensor (15) and the acoustic-type transducer (12), the bottom of the flow velocity sensor (12) is an air inlet end and is communicated with the purification mechanism.

2. The boiler tail gas device according to claim 1, wherein the filtering component comprises a circular block (4) which is installed in the installation pipe (1) in a sealing and rotating mode, the right side of the circular block (4) is fixedly connected with the left end of a rotating rod (9), two rectangular holes (17) are formed in the right side of the circular block (4), a box-shaped filter screen (7) with the left side arranged for opening is movably sleeved in each rectangular hole (17), a pull ring is fixedly connected to the right side of the box-shaped filter screen (7), a baffle plate (5) is fixedly installed on the left side of the circular block (4), two air inlet holes (6) are formed in the right side of the baffle plate (5), and the air inlet holes (6) are communicated with the corresponding rectangular holes (17).

3. The boiler tail gas device according to claim 2, wherein the tail gas collecting assembly comprises a first connecting pipe (3) fixedly installed on the inner wall of the top of the installation pipe (1), the right end of the first connecting pipe (3) is in sealing movable contact with the left side of the baffle (5), the first connecting pipe (3) is communicated with an upper air inlet (6) of the two air inlets (6) and matched with a lower air inlet (6), and the left end of the first connecting pipe (3) is communicated with and fixed with a gas collecting hood (2) movably sleeved in the tail gas flue pipe (101).

4. The boiler tail gas device according to claim 3, characterized in that the purification mechanism comprises a purification box (8) fixedly connected to the inner wall of the top of the installation pipe (1), the top of the purification box (8) is provided with an opening, a check valve (11) with a right side as an outlet is embedded on the inner wall of the left side of the purification box (8), the right side of the check valve (11) is communicated with and fixed to an L-shaped connecting pipe (10), the left side of the check valve (11) is communicated with a rectangular hole (17) above the check valve, the right side of the circular block (4) is in sealed movable contact with the left side of the purification box (8), the bottom of the flow velocity sensor (12) is communicated with the inside of the purification box (8), the purification box (8) is filled with nitrogen oxide absorption liquid, and the purification box (8) is located above the rotating rod (9).

5. A boiler tail gas unit according to claim 4, characterized in that the distance between the front and rear inner walls of the rectangular hole (17) is smaller than the distance between the front and rear sides of the purification box (8), and the distance between the top and bottom inner walls of the rectangular hole (17) is smaller than the distance between the top and bottom of the purification box (8).

6. A boiler tail gas unit according to claim 2, characterized in that the mounting tube (1) is internally fixed with two large bearings, the inner sides of the large bearings are fixedly connected with the outer sides of the circular blocks (4).

7. The boiler tail gas device according to claim 1, wherein nuts are fixedly connected to the top and the bottom of the installation pipe (1), two thread grooves are formed in the right end of the tail gas flue pipe (101), T-shaped fixing bolts are sleeved in the thread grooves, and the nuts are sleeved on the corresponding T-shaped fixing bolts in a threaded manner.