CN116183314A

CN116183314A - Flue gas collection pretreatment device

Info

Publication number: CN116183314A
Application number: CN202310207199.4A
Authority: CN
Inventors: 王彬; 刘云娜
Original assignee: Qingdao Haiheng Dongsheng Testing Technology Co ltd
Current assignee: Qingdao Haiheng Dongsheng Testing Technology Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-05-30

Abstract

The invention discloses a flue gas collection pretreatment device, and belongs to the technical field of flue gas monitoring equipment. The utility model provides a preprocessing device is gathered to flue gas, includes the mounting box, still includes: the filtering component is arranged at the left side of the bottom in the mounting box and is used for filtering dust and tar in the flue gas; according to the invention, the water in the cooling component absorbs the heat of the flue gas to evaporate, the water enters the power conversion component after the steam pressure reaches a certain degree, the power conversion component drives the filtering conversion component to convert the state, the filtered part of the filtering component and the part without the flue gas are subjected to position exchange, the flue gas is filtered by the part without the flue gas, and then the water vapor enters the filtering component through the power conversion component to clean the part with the flue gas filtered, so that the filtering component is automatically cleaned, and the dust and tar accumulated on the filtering component are prevented from being blocked by the filtering component.

Description

Flue gas collection pretreatment device

Technical Field

The invention relates to the technical field of flue gas monitoring equipment, in particular to a flue gas collection pretreatment device.

Background

The flue gas pretreatment device is mainly applied to the gas analysis industry, and the main principle is that the on-site flue gas is sampled to be dehumidified, filtered by dust and filtered by tar, so that the concentration of the flue gas can be normally detected by a gas analyzer, and the whole process is automatic treatment without human intervention.

In the prior art, because part flue gas contains the dust more, filter hole on the filter equipment in the preprocessing device is plugged up easily, need often manual handling change, and at the in-process of transmission, the air pump is when gas detector transmission gas, the gas velocity of flow is faster, cause the impact to the gas detector easily, reduce the life of gas detector, and because work always carries out the transmission to gas, the required heat dissipation requirement of air pump work always can not be satisfied to the cooling system of air pump, the time course, the air pump damages easily, and also, when cooling down the flue gas, the inside flue gas of cooling tube can resolidify and adsorb on the inner wall of cooling tube at the temperature after, cause the cooling tube to block up and reduced the radiating effect of cooling tube.

Disclosure of Invention

The invention aims to solve the problems that a filter room needs to be replaced manually frequently, the interior of a radiating pipe is easy to be blocked and the like in the prior art, and provides a flue gas collection pretreatment device.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a preprocessing device is gathered to flue gas, includes the mounting box, still includes: the filtering component is arranged at the left side of the bottom in the mounting box and is used for filtering dust and tar in the flue gas; the cooling component is arranged on the right side of the bottom in the mounting box, and absorbs heat of the flue gas by using water in the cooling component to generate water vapor; the air pump is arranged at the top of the cooling component and used for transmitting smoke; the gas flowmeter is arranged at the top of the cooling component and used for detecting the gas flow, and the input end of the gas flowmeter is connected with the output pipeline of the air pump; a gas detector disposed in the mounting box for detecting a gas component; the power conversion assembly is arranged in the cooling assembly and is used for converting the pressure of the water vapor into power of the switching state of the filtering assembly and transmitting the water vapor into the filtering assembly to automatically clean the filtering assembly.

In order to facilitate the filtration of dust, tar and the like in flue gas, preferably, the filter component comprises a filter box fixedly connected in the installation box, an installation box which divides the interior of the filter box into a filter cavity and a cleaning cavity is fixedly connected in the filter box, an installation shaft is rotatably connected in the installation box, an installation disc is fixedly connected on the installation shaft, a sealing groove corresponding to the outer wall of the installation disc is formed in the inner wall of the filter box, two symmetrical filter plates are fixedly connected on the installation disc, a sealing strip is fixedly connected on the installation disc, and the sealing strip is attached to the groove wall on the side wall of the installation box and the groove arm of the sealing groove.

For being convenient for keep warm, preferably, the cooling box includes fixed connection be in insulation can in the mounting box and the multiunit cooling tube that sets up in the insulation can, wherein, the insulation can includes outer case and inner box, outer case and inner box inside are provided with the thermal-insulated chamber, inner box internal fixation has the L board that divide into first mounting chamber and second mounting chamber with the inner box.

In order to be convenient for utilize the people of flue gas, preferably, the multiunit the cooling tube all includes fixed connection the annular pipe on the L board, sliding connection has multiunit seal scraper blade in the annular pipe, multiunit seal scraper blade passes through the annular pole and links to each other fixedly, the bottom fixedly connected with row material pipe of annular pipe, the left end fixedly connected with intake pipe of annular pipe, multiunit the input fixedly connected with shunt tubes of intake pipe, the input of shunt tubes links to each other with the exhaust end of filter chamber through first pipeline, the upper right end fixedly connected with blast pipe of annular pipe, multiunit the output fixedly connected with of blast pipe gathers the flow box, gather the flow box and link to each other with the input of air pump through seventh pipeline.

Preferably, the power conversion assembly comprises a mounting pipe fixedly connected to the top of the heat preservation box, a fourth pipeline which is fixedly connected to the heat preservation box and is communicated with the mounting pipe and the second mounting cavity, an overflow valve is fixedly connected to the fourth pipeline, a piston plate is slidably connected to the mounting pipe, a push rod is fixedly connected to the piston plate, the push rod extends to the outer portion of the mounting pipe and is fixedly connected with a rack, the mounting shaft extends to the top of the filter box and is connected with a gear meshed with the rack through a ratchet mechanism, a spring is sleeved on the push rod, and two ends of the spring respectively abut against the piston plate and the mounting pipe.

In order to facilitate cleaning of the filter plate, preferably, a splitter plate is fixedly connected in the cleaning cavity, a sixth pipeline is fixedly connected to the top of the mounting pipe, a three-way joint is fixedly connected to the sixth pipeline, and a fifth pipeline connected with the splitter plate is fixedly connected to the output end of the three-way joint.

In order to improve the life of gas detector, preferably still include buffer assembly, buffer assembly includes fixed connection the buffer tank in the mounting box, it is connected with the turbine to rotate in the buffer tank, the top fixedly connected with of buffer tank links to each other with buffer tank exhaust end gather the ring, gather the ring and link to each other with the input of gas detector through the third pipeline, the bottom fixedly connected with of buffer tank links to each other with the shunt ring of buffer tank air inlet, the shunt ring links to each other through the second pipeline with the output of flowmeter.

In order to facilitate heat dissipation of the air pump, preferably, an air cylinder is fixedly connected in the installation box, the air pump is arranged in the air cylinder, a transmission shaft is fixedly connected to the air cylinder, the transmission shaft extends to an inner fixedly connected fan blade of the air cylinder, the transmission shaft extends to the buffer box and is fixedly connected with the turbine, and an exhaust pipe connected with a three-way joint is fixedly connected to an exhaust end of the air cylinder.

In order to be convenient for to inside water adding of inner box, preferably still include the subassembly that intakes, the subassembly that intakes includes fixed connection inlet tube on the mount box, the inlet tube extends to first installation intracavity, the wash port has been seted up on the lateral wall that the inlet tube is located the second installation intracavity, sliding connection has the slide bar on the inlet tube, the top of slide bar extends to the inlet tube in fixedly connected with closing plate, the slide bar extends to first installation intracavity fixedly connected with floater, just the through-hole that communicates first installation chamber and second installation chamber has been seted up to the upper position on the lateral wall of L board.

Preferably, the floating ball is a solid foam ball.

Compared with the prior art, the invention provides a flue gas collection pretreatment device, which has the following beneficial effects:

1. according to the flue gas collection pretreatment device, heat of flue gas is absorbed by water in the cooling component to evaporate, the water enters the power conversion component after vapor pressure reaches a certain degree, then the power conversion component drives the filtering conversion component to convert state, the filtered part of the filtering component and the part without the flue gas are subjected to position exchange, the flue gas is filtered by the part without the flue gas, and then water vapor enters the filtering component through the power conversion component to clean the part with the flue gas filtered, so that the filtering component is automatically cleaned, and dust and tar accumulated on the filtering component are prevented from being blocked by the filtering component;

2. according to the flue gas collection pretreatment device, the sealing scraping plate is pushed to rotate through flue gas, the inner wall of the annular pipe is scraped and washed, and adsorbate which is adsorbed on the inner wall of the annular pipe and is solidified into particles again due to flue gas heat dissipation is scraped, so that the annular pipe is prevented from being blocked, excessive adsorbate is prevented from reducing flue gas heat dissipation, and the heat dissipation effect of the cooling component is prevented from being poor;

3. this preprocessing device is gathered to flue gas heats water through the heat that utilizes the flue gas to carry and generates vapor and washs the filter, has improved the cleaning performance to the filter when improving heat utilization.

Fig. 1 is a schematic perspective view of a flue gas collection pretreatment device according to the present invention;

FIG. 2 is a front cross-sectional view of a flue gas collection pretreatment device according to the present invention;

fig. 3 is a schematic structural diagram of an installation box of a flue gas collection pretreatment device according to the present invention;

FIG. 4 is a schematic diagram of a portion A of FIG. 3 of a flue gas collection pretreatment device according to the present invention;

fig. 5 is a schematic structural diagram of a heat dissipating tube of a flue gas collection pretreatment device according to the present invention;

FIG. 6 is a schematic view of a partial enlarged structure of FIG. 3 of a flue gas collection pretreatment device according to the present invention;

fig. 7 is a schematic structural diagram of a filter box of a flue gas collection pretreatment device according to the present invention;

fig. 8 is a schematic structural diagram of a mounting plate of a flue gas collection pretreatment device according to the present invention.

In the figure: 1. a mounting box; 2. a filter box; 201. a filter chamber; 202. cleaning the cavity; 203. a mounting box; 204. a mounting shaft; 205. a mounting plate; 2051. a sealing strip; 2052. a filter plate; 206. a gear; 207. a first pipe; 208. a shunt; 3. an insulation box; 301. an outer case; 302. an inner box; 303. a heat insulating chamber; 304. an L plate; 3041. a first mounting cavity; 3042. a second mounting cavity; 305. a through hole; 4. a flow meter; 5. a gas detector; 6. a buffer assembly; 601. a second pipe; 602. a shunt ring; 603. a buffer tank; 604. a converging flow ring; 605. a third conduit; 606. an exhaust pipe; 607. a turbine; 608. a transmission shaft; 609. a fan blade; 610. an air duct; 7. a water inlet assembly; 701. a water inlet pipe; 702. a slide bar; 703. a sealing plate; 704. a floating ball; 705. a drain hole; 8. a diverter plate; 801. installing a pipe; 802. a fourth conduit; 803. a fifth pipe; 804. an overflow valve; 805. a piston plate; 806. a push rod; 807. a rack; 808. a spring; 809. a sixth conduit; 810. a three-way joint; 9. a heat radiating pipe; 901. an annular tube; 902. a sealing scraper; 903. an annular rod; 904. an air inlet pipe; 905. an exhaust pipe; 906. a flow collecting box; 907. a seventh pipe; 908. an air pump; 909. and a discharge pipe.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Examples:

referring to fig. 1 to 8, a flue gas collection pretreatment device comprises a mounting box 1, and further comprises: the filtering component is arranged at the left side of the bottom in the installation box 1 and is used for filtering dust and tar in the flue gas; the cooling component is arranged at the right side of the bottom in the installation box 1, and absorbs the heat of the flue gas by using water in the cooling component to generate water vapor; an air pump 908 disposed on top of the cooling assembly for delivering flue gas; the gas flowmeter 4 is arranged at the top of the cooling component and used for detecting the gas flow, and the input end of the gas flowmeter 4 is connected with the output pipeline of the air pump 908; a gas detector 5 provided in the mounting box 1 for detecting a gas component; the power conversion assembly is arranged in the cooling assembly and used for converting the pressure of the water vapor into the power of the switching state of the filtering assembly and transmitting the water vapor into the filtering assembly to automatically clean the filtering assembly.

The gas is sent into the filter assembly through the outside heat-resisting pump body and is filtered, dust, tar and other substances in the flue gas are filtered, the flue gas is sent into the cooling assembly after filtration, water in the cooling assembly absorbs heat of the flue gas to generate steam, the flue gas is cooled simultaneously, then the air pump 908 is sent into the gas flowmeter 4 to be measured, then the gas components (substances such as sulfur monoxide, sulfur dioxide, carbon monoxide and carbon dioxide) in the gas detector 5 are sent into the gas detector 5, the corresponding gas detector 5 can be selected as required, or a mixed detector for detecting various gases is not used, specific constraint is not needed), then the gas is transmitted into a computer through Bluetooth, a data wire and other transmission means, the gas passing through the detector is discharged out of the mounting box 1, wherein when the steam pressure in the cooling assembly reaches a certain degree, the steam pressure enters the power conversion assembly, then the power conversion assembly is driven by the power conversion assembly to convert the state, the filtered part of the filter assembly and the part without the flue gas are subjected to position exchange, the unfiltered part of the flue gas is utilized to filter the filtered, and then the steam enters the filter assembly to the inside the filter assembly to automatically clean the filtered part, so that the dust is prevented from being accumulated on the filter assembly.

Referring to fig. 3, 7 and 8, the filter assembly comprises a filter box 2 fixedly connected in a mounting box 1, a mounting box 203 for dividing the interior of the filter box 2 into a filter cavity 201 and a cleaning cavity 202 is fixedly connected in the filter box 2, a mounting shaft 204 is rotatably connected in the mounting box 203, a mounting disc 205 is fixedly connected on the mounting shaft 204, a sealing groove corresponding to the outer wall of the mounting disc 205 is formed in the inner wall of the filter box 2, two symmetrical filter plates 2052 are fixedly connected on the mounting disc 205, sealing strips 2051 are fixedly connected on the mounting disc 205, and the sealing strips 2051 are attached to groove walls on the side walls of the mounting box 203 and groove arms of the sealing groove.

For convenience of explanation, two filter plates 2052 are divided into a deck and a plate b, and when the installation shaft 204 is driven to rotate by the power conversion assembly, the installation shaft 204 rotates by one hundred eighty degrees, the deck in the filter cavity 201 is switched into the cleaning cavity 202 to be cleaned by using water vapor, the plate b in the cleaning cavity 202 is switched into the filter cavity 201 to filter flue gas, and the switching is performed in a reciprocating manner, so that the filter plates 2052 are automatically cleaned, and the filter holes of the filter plates 2052 are prevented from being blocked, wherein the filter plates 2052 are preferably made of a porous material such as sponge.

Referring to fig. 3 to 4, the cooling box comprises an insulation box 3 fixedly connected in a mounting box 1 and a plurality of groups of radiating pipes 9 arranged in the insulation box 3, wherein the number of the radiating pipes is 5 to 10, the insulation box 3 comprises an outer box 301 and an inner box 302, a heat insulation cavity 303 is arranged inside the outer box 301 and the inner box 302, and an L plate 304 for dividing the inner box 302 into a first mounting cavity 3041 and a second mounting cavity 3042 is fixedly connected in the inner box 302.

The heat insulation cavity 303 arranged in the heat insulation box 3 is used for heat insulation, the outward radiating speed of heat in the heat insulation box 3 is reduced, and heat insulation materials such as cotton, polyurethane foam materials and the like can be filled in the heat insulation cavity 303.

Referring to fig. 5, the plurality of groups of radiating pipes 9 each include an annular pipe 901 fixedly connected to the L plate 304, a plurality of groups of sealing scrapers 902 are slidably connected to the annular pipe 901, the number of the plurality of groups of sealing scrapers 902 is 6-10, the plurality of groups of sealing scrapers 902 are fixedly connected to each other through an annular rod 903, a discharge pipe 909 is fixedly connected to the bottom of the annular pipe 901, an air inlet pipe 904 is fixedly connected to the left lower end of the annular pipe 901, a shunt pipe 208 is fixedly connected to the input end of the plurality of groups of air inlet pipes 904, the input end of the shunt pipe 208 is connected to the air outlet end of the filter cavity 201 through a first pipe 207, the right upper end of the annular pipe 901 is fixedly connected to an exhaust pipe 905, the output end of the plurality of groups of exhaust pipes 905 is fixedly connected to a flow collecting box 906, and the flow collecting box 906 is connected to the input end of the air pump 908 through a seventh pipe 907.

The intake pipe 904 and the exhaust pipe 905 are the same in number as the annular pipe 901 and correspond to each other.

The flue gas gets into in the shunt tubes 208 and shunts and get into a plurality of ring pipes 901 after filtering, promote sealed scraper 902 and rotate clockwise in ring pipe 901, simultaneously air pump 908 starts, air pump 908 draws the inside flue gas of ring pipe 901 through seventh pipeline 907, ring pipe 901 adopts the better metal preparation of heat conductivity, like brass, when sealed scraper 902 rotates, scrape the inner wall of ring pipe 901 and wash, will adsorb the adsorbate that the gaseous state solidifies into the granule again because of flue gas heat dissipation on the inner wall of ring pipe 901, thereby avoid ring pipe 901 to block up, and avoid the adsorbate too much reduced flue gas heat dissipation, avoid the radiating effect of cooling module to worsen, and the granule that scrapes then discharges install bin 1 through discharge pipe 909, the inside filter screen that is provided with of blast pipe 905, prevent the granule that resolidifies from getting into air pump 908 and causing the jam of air pump 908, and air pump 908 is the bi-directional pump, gas in ring pipe 901 can be taken out, inside again, can blow the granule that adsorbs on the filter screen when jet air injection to ring pipe 901.

Referring to fig. 3-4, the power conversion assembly comprises a mounting pipe 801 fixedly connected to the top of an insulation box 3, a fourth pipe 802 fixedly connected to the insulation box 3 and communicating the mounting pipe 801 with a second mounting cavity 3042, an overflow valve 804 fixedly connected to the fourth pipe 802, a piston plate 805 slidably connected to the mounting pipe 801, a push rod 806 fixedly connected to the piston plate 805, a rack 807 fixedly connected to the outside of the mounting pipe 801, a gear 206 meshed with the rack 807 connected to the top of the filter box 2 through a ratchet mechanism, a spring 808 sleeved on the push rod 806, and two ends of the spring 808 respectively propped against the piston plate 805 and the mounting pipe 801.

After the water in the heat preservation box 3 absorbs the heat of the flue gas to form steam, the pressure in the heat preservation box is increased, when the pressure in the heat preservation box is increased to a certain degree, the water flows into the mounting pipe 801 through the overflow valve 804 to push the piston plate 805 to slide, the piston plate 805 drives the rack 807 to slide through the push rod 806, the rack 807 drives the gear 206 to rotate, the gear 206 drives the mounting shaft 204 to rotate, the mounting shaft 204 drives the mounting disc 205 to rotate, the positions of the deck and the deck are changed, the deck and the deck are conveniently cleaned in turn, after the pressure in the mounting pipe 801 is reduced, the spring 808 pushes the piston plate 805 to reset, and the rack 807 resets when the piston plate 805 resets, but under the action of the ratchet mechanism, the rack 807 resets and does not drive the gear 206 to rotate, so that the mounting disc 205 cannot be driven to rotate.

Referring to fig. 3, a splitter plate 8 is fixedly connected to the cleaning chamber 202, a sixth pipeline 809 is fixedly connected to the top of the installation pipe 801, a three-way joint 810 is fixedly connected to the sixth pipeline 809, and a fifth pipeline 803 connected to the splitter plate 8 is fixedly connected to the output end of the three-way joint 810.

When the piston plate 805 moves over the sixth pipe 809, the sixth pipe 809 is communicated, water vapor inside the installation pipe 801 enters the three-way joint 810 through the sixth pipe 809, then enters the splitter plate 8 through the fifth pipe 803 for splitting, and is sprayed to the filter plate 2052 to perform back flushing on the filter plate 2052, molecular activity of tar can be added to the water vapor at high temperature, the pressure above the filter plate 2052 in the cleaning cavity 202 is higher than the pressure below, the water vapor flows from top to bottom, dust and tar blocking the filter hole opening at the bottom of the filter plate 2052 are cleaned through holes in the filter plate 2052, and in the invention, the water is heated by using heat carried by flue gas to generate water vapor to clean the filter plate 2052, so that the cleaning effect on the filter plate 2052 is improved while the heat energy utilization is improved.

Referring to fig. 6, the gas meter further comprises a buffer assembly 6, the buffer assembly 6 comprises a buffer box 603 fixedly connected in the installation box 1, a turbine 607 is rotationally connected in the buffer box 603, a flow gathering ring 604 connected with the exhaust end of the buffer box 603 is fixedly connected to the top of the buffer box 603, the flow gathering ring 604 is connected with the input end of the gas meter 5 through a third pipeline 605, a flow distribution ring 602 connected with the gas inlet of the buffer box 603 is fixedly connected to the bottom of the buffer box 603, and the flow distribution ring 602 is connected with the output end of the flow meter 4 through a second pipeline 601.

The flue gas discharged by the flowmeter 4 enters the diverter ring 602 and is diverted into the buffer box 603 to push the turbine 607 to rotate, the turbine 607 rotates to consume the kinetic energy of flue gas transmission, the impact on the gas detector 5 is reduced, the gas detector 5 is prevented from being damaged by high-flow-rate gas, and the service time of the gas detector 5 is further prolonged.

Referring to fig. 3 and 3, an air duct 610 is fixedly connected in the mounting box 1, an air pump 908 is arranged in the air duct 610, a transmission shaft 608 is fixedly connected to the air duct 610, the transmission shaft 608 extends to a fan blade 609 fixedly connected in the air duct 610, the transmission shaft 608 extends to the buffer box 603 and is fixedly connected with a turbine 607, and an exhaust end of the air duct 610 is fixedly connected with an exhaust pipe 606 connected with a three-way joint 810.

The turbine 607 rotates through the transmission shaft 608, the transmission shaft 608 drives the fan blade 609 to rotate, the flow speed of the flue gas passing through the buffer box 603 is further reduced, the impact of the flue gas on the gas detector 5 is further reduced, the outside normal-temperature air is sucked to form normal-temperature air flow to be blown to the air pump 908, the temperature of the air pump 908 is reduced, the normal-temperature air flow sucks heat energy radiated by the air pump 908 to form hot air flow, then the hot air enters the three-way joint 810 through the exhaust pipe 606, then the hot air flows into the splitter plate 8 through the fifth pipeline 803, the hot air is sprayed to the filter plate 2052 in the cleaning cavity 202 through the splitter plate 8, and the drying of the filter plate 2052 is accelerated.

Referring to fig. 3 and 4, the water inlet assembly 7 is further included, the water inlet assembly 7 includes a water inlet pipe 701 fixedly connected to the mounting box 1, the water inlet pipe 701 extends into the first mounting cavity 3041, a drain hole 705 is formed in the side wall of the water inlet pipe 701, which is located in the second mounting cavity 3042, a slide bar 702 is connected to the water inlet pipe 701 in a sliding manner, a sealing plate 703 is fixedly connected to the top of the slide bar 702, a floating ball 704 is fixedly connected to the first mounting cavity 3041 in the slide bar 702, and a through hole 305 for communicating the first mounting cavity 3041 with the second mounting cavity 3042 is formed in the upper position of the side wall of the L plate 304.

The water inlet pipe 701 is connected with a water source, the annular pipe 901 is in contact with water in the first installation cavity 3041 and water in the second installation cavity 3042, so that the water in the two installation cavities are heated simultaneously, the water in the first installation cavity 3041 forms water vapor and flows into the second installation cavity 3042 through the through hole 305, when the water in the first installation cavity 3041 evaporates to a certain degree, the floating ball 704 descends due to water level descent, when the floating ball 704 descends to a certain degree, the sealing plate 703 slides to the lower part of the water drain hole 705, the water in the water inlet pipe 701 is discharged into the second installation cavity 3042 through the water drain hole 705, and when the water level in the second installation cavity 3042 exceeds the through hole 305, the water in the second installation cavity 3042 flows into the first installation cavity 3041 to supplement water in the first installation cavity 3041.

Wherein, fixedly connected with shell fragment on the inner wall of inlet tube 701, this shell fragment's position is less than wash port 705, and closing plate 703 is the balancing weight, has the strength of passing through the shell fragment under the effect of gravity, can receive the resistance of shell fragment when the water level of first installation cavity 3041 is risen, and floater 704 drive closing plate 703 rises, and only buoyancy reaches the accessible shell fragment in certain degree rear and continues to come up to make water can be with through-hole 305 holding, avoid the water in the first installation cavity 3041 not enough.

The float ball 704 is a solid foam ball.

The adoption of the solid foam ball can prevent the floating ball 704 from being squeezed flat due to the overlarge pressure in the heat preservation box 3, thereby avoiding the buoyancy of the floating ball 704 from being reduced.

It is emphasized that: the sixth pipe 809 and the exhaust pipe 606 are provided with check valves, so that the steam in the sixth pipe 809 and the gas in the exhaust pipe 606 can only enter the three-way joint 810 and cannot flow reversely.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a flue gas collection preprocessing device, includes mounting box (1), its characterized in that still includes:

the filtering component is arranged at the left side of the bottom in the installation box (1) and is used for filtering dust and tar in the flue gas;

the cooling component is arranged on the right side of the bottom in the installation box (1) and absorbs heat of the flue gas by using water in the cooling component to generate water vapor;

an air pump (908) disposed on top of the cooling assembly for delivering flue gas;

the gas flowmeter (4) is arranged at the top of the cooling component and used for detecting the gas flow, and the input end of the gas flowmeter (4) is connected with an output pipeline of the air pump (908);

a gas detector (5) provided in the installation box (1) for detecting a gas component;

the power conversion assembly is arranged in the cooling assembly and is used for converting the pressure of the water vapor into power of the switching state of the filtering assembly and transmitting the water vapor into the filtering assembly to automatically clean the filtering assembly.

2. The flue gas collection pretreatment device according to claim 1, wherein the filter assembly comprises a filter box (2) fixedly connected in the installation box (1), an installation box (203) for dividing the interior of the filter box (2) into a filter cavity (201) and a cleaning cavity (202) is fixedly connected in the filter box (2), an installation shaft (204) is rotationally connected in the installation box (203), an installation disc (205) is fixedly connected on the installation shaft (204), a sealing groove corresponding to the outer wall of the installation disc (205) is formed in the inner wall of the filter box (2), two symmetrical filter plates (2052) are fixedly connected on the installation disc (205), and sealing strips (2051) are fixedly connected on the installation disc (205) and are attached to groove walls on the side walls of the installation box (203) and groove arms of the sealing groove.

3. The flue gas collection pretreatment device according to claim 2, wherein the cooling box comprises an insulation box (3) fixedly connected in the installation box (1) and a plurality of groups of radiating pipes (9) arranged in the insulation box (3), the insulation box (3) comprises an outer box (301) and an inner box (302), heat insulation cavities (303) are formed in the outer box (301) and the inner box (302), and an L plate (304) for dividing the inner box (302) into a first installation cavity (3041) and a second installation cavity (3042) is fixedly connected in the inner box (302).

4. A flue gas collection pretreatment device according to claim 3, wherein, the plurality of groups of the radiating pipes (9) each comprise an annular pipe (901) fixedly connected to the L plate (304), a plurality of groups of sealing scrapers (902) are slidably connected to the annular pipes (901), a plurality of groups of sealing scrapers (902) are fixedly connected to each other through annular rods (903), a discharge pipe (909) is fixedly connected to the bottom of the annular pipe (901), an air inlet pipe (904) is fixedly connected to the left lower end of the annular pipe (901), a plurality of groups of the inlet pipes (904) are fixedly connected to a shunt pipe (208), the input ends of the shunt pipes (208) are connected to the exhaust end of the filter chamber (201) through a first pipeline (207), the right upper ends of the annular pipes (901) are fixedly connected to an exhaust pipe (905), the output ends of the exhaust pipes (901) are fixedly connected to a flow collecting box (906), and the flow collecting box (906) is connected to the input end of the air pump (908) through a seventh pipeline (907).

5. A flue gas collection pretreatment device according to claim 3, wherein the power conversion assembly comprises a mounting pipe (801) fixedly connected to the top of the heat insulation box (3), a fourth pipeline (802) which is communicated with the mounting pipe (801) and the second mounting cavity (3042) is fixedly connected to the heat insulation box (3), an overflow valve (804) is fixedly connected to the fourth pipeline (802), a piston plate (805) is slidably connected to the mounting pipe (801), a push rod (806) is fixedly connected to the piston plate (805), the push rod (806) extends to the outside of the mounting pipe (801) and is fixedly connected with a rack (807), a gear (206) meshed with the rack (807) is connected to the top of the filter box (2) through a ratchet mechanism, a spring (808) is sleeved on the push rod (806), and two ends of the spring (808) are respectively abutted to the piston plate (805) and the mounting pipe (801).

6. The flue gas collection pretreatment device according to claim 5, wherein a splitter plate (8) is fixedly connected in the cleaning cavity (202), a sixth pipeline (809) is fixedly connected to the top of the installation pipe (801), a three-way joint (810) is fixedly connected to the sixth pipeline (809), and a fifth pipeline (803) connected with the splitter plate (8) is fixedly connected to the output end of the three-way joint (810).

7. The flue gas collection pretreatment device according to claim 6, further comprising a buffer assembly (6), wherein the buffer assembly (6) comprises a buffer box (603) fixedly connected in the installation box (1), a turbine (607) is rotationally connected in the buffer box (603), a flow gathering ring (604) connected with an exhaust end of the buffer box (603) is fixedly connected to the top of the buffer box (603), the flow gathering ring (604) is connected with an input end of the gas detector (5) through a third pipeline (605), a diverter ring (602) connected with an air inlet of the buffer box (603) is fixedly connected to the bottom of the buffer box (603), and the diverter ring (602) is connected with an output end of the flowmeter (4) through a second pipeline (601).

8. The flue gas collection pretreatment device according to claim 7, wherein an air duct (610) is fixedly connected in the installation box (1), an air pump (908) is arranged in the air duct (610), a transmission shaft (608) is fixedly connected to the air duct (610), the transmission shaft (608) extends to an inner fixedly connected fan blade (609) of the air duct (610), the transmission shaft (608) extends to the buffer box (603) and is fixedly connected with a turbine (607), and an exhaust pipe (606) connected with a three-way joint (810) is fixedly connected to an exhaust end of the air duct (610).

9. A flue gas collection pretreatment device according to claim 3, further comprising a water inlet assembly (7), wherein the water inlet assembly (7) comprises a water inlet pipe (701) fixedly connected to the mounting box (1), the water inlet pipe (701) extends into the first mounting cavity (3041), a water outlet hole (705) is formed in the side wall of the water inlet pipe (701) in the second mounting cavity (3042), a sliding rod (702) is connected to the water inlet pipe (701) in a sliding manner, a sealing plate (703) is fixedly connected to the top of the sliding rod (702) in the water inlet pipe (701), a floating ball (704) is fixedly connected to the sliding rod (702) in the first mounting cavity (3041), and a through hole (305) for communicating the first mounting cavity (3041) and the second mounting cavity (3042) is formed in the upper position on the side wall of the L plate (304).

10. A flue gas collection pretreatment device according to claim 9, wherein said floating ball (704) is a solid foam ball.