CN218358053U - Chemical industry laboratory flue gas treatment facility - Google Patents

Abstract

The utility model discloses a chemical industry laboratory flue gas treatment facility, including the flue gas treatment facility body, the flue gas treatment facility body includes the casing, connects draught fan, the intercommunication in casing top smoke vent department and fixes the flue gas absorption mouth in casing left side bottom. The utility model discloses a setting up of particle filtering component can be to the solid particle impurity prefiltration collection in the flue gas before the flue gas gets into the casing, reduce the risk that solid particle impurity caused the jam in getting into the casing in a large number, through the PCL controller, audible-visual annunciator, lead to the cigarette subassembly in turn, the setting of velocity of flow determine module and two breather pipes, can detect the flue gas velocity of flow and judge whether to take place to block up, and automatic alarm reminds and automatic change ventilation direction utilizes two box-shaped stainless steel filter screens to filter in turn when taking place to block up, need not stop smoking processing work when the solid particle impurity clearance of prefiltration collection, save downtime latency.

Description

Chemical industry laboratory flue gas treatment facility

Technical Field

The utility model relates to a flue gas treatment facility, technical field specifically are a chemical industry laboratory flue gas treatment facility.

Background

The asphalt smoke is a heterocyclic mixture containing a large amount of polycyclic aromatic hydrocarbon and a small amount of oxygen, nitrogen and sulfur, the asphalt contains thousands of substances harmful to human, animals and plants, and becomes one of atmospheric pollutants when being discharged into the atmosphere, and when the asphalt is tested in a chemical experiment, the smoke needs to be filtered and then discharged; according to the institute, in the prior art, an authorized bulletin number CN207591550U discloses chemical laboratory flue gas treatment equipment, which comprises a shell, wherein the top end of the shell is communicated with a draught fan, the side wall of the lower end of the shell is provided with a flue gas adsorption port, the shell sequentially comprises a liquid storage area, a particle adsorption layer, a high-precision adsorption layer and a spray header from bottom to top, and the liquid storage area is communicated with the spray header through a pipeline; particle adsorption, gas adsorption and spraying treatment are integrated in one shell to form a treatment system with complete functions, clear and reasonable hierarchical distribution, simple equipment structure and low investment and operation cost, wherein the treatment system is used for adsorption, filtration and self-spraying; when the equipment works, only the switch of the induced draft fan is needed to be turned on, other operations are not needed, the flow is simple, and the operation is convenient and fast; the equipment has simple structure and small size, and is suitable for being used in small-sized places in laboratories.

The above patent realizes the filtering and adsorbing treatment of the flue gas through the shell and the particle storage adsorption layer, the high-precision adsorption layer and the spray header arranged in the shell, but the above patent still has some defects;

it does not have the structure of solid particle impurity prefiltering in the flue gas before its flue gas passes through flue gas adsorption port entering casing, solid particle impurity directly gets into and easily causes the casing internal blocking in the casing, be difficult to the clearance, (although there is the mode that utilizes the filter cartridge to carry out the interception filterable in the import among the prior art, but along with filtering, when the filter screen in the filter cartridge blockked up needs the clearance, need stop the flue gas and get into the processing work, and it is longer to shut down the mode latency who carries out dismouting clearance again, work efficiency is low), synthesize this phenomenon and improve on its basis, therefore we have proposed a chemical industry laboratory flue gas treatment facility, be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemical industry laboratory flue gas treatment facility to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a chemical laboratory flue gas treatment device comprises a flue gas treatment device body, wherein the flue gas treatment device body comprises a shell, an induced draft fan connected to a smoke outlet at the top of the shell, and a flue gas adsorption port communicated with and fixed at the bottom of the left side of the shell, and the left end of the flue gas adsorption port is provided with an uninterrupted cleaning type flue gas pretreatment mechanism;

the non-stop cleaning type smoke pretreatment mechanism comprises a smoke gathering box fixedly connected to the left side of a shell, a flow velocity detection assembly is communicated and fixed between the bottom of the smoke gathering box and the left end of a smoke adsorption port, two rectangular boxes with openings at the tops are fixedly connected to the top of the smoke gathering box, a one-way valve is communicated and fixed at the bottom of each rectangular box, an outlet is formed in the bottom of each one-way valve and extends into the smoke gathering box, a PCL (polycaprolactone) controller electrically connected with the flow velocity detection assembly is fixedly connected between the two rectangular boxes, an audible and visual alarm is fixedly and electrically connected to the top of the PCL controller and used for detecting the flow velocity of smoke sucked and entering a laboratory and transmitting the flow velocity to the PCL controller, and the PCL controller is used for controlling the audible and visual alarm to be started to remind people when the flow velocity is lower than a preset loss value;

the top of the rectangular box is hermetically and movably sleeved with a box cover, the top of the box cover is fixedly connected with a U-shaped handle, the inner wall of the top of the box cover is fixedly connected with a particle filtering component, the particle filtering component is movably sleeved in the corresponding rectangular box, and the particle filtering component is used for pre-filtering and collecting particle impurities in the smoke before the smoke enters the shell;

two the same bottom of fixedly connected with is the fixed box that the opening set up between the rectangle box, the top intercommunication of fixed box is fixed with L shape and advances the tobacco pipe, the rectangle box is close to intercommunication and be fixed with the breather pipe between one side of fixed box and the fixed box, two breather pipes stagger from top to bottom, sealed movable contact has the cigarette subassembly of logical in turn with two breather pipe matched with between the both sides inner wall of fixed box, lead to the bottom fixed connection of cigarette subassembly and fixed box in turn, lead to cigarette subassembly and PCL controller electric connection in turn, lead to the cigarette subassembly in turn and be used for adjusting to lead to the cigarette direction.

Preferably, the velocity of flow determine module includes that gas flow meter and L appear to take over, gas flow meter's air inlet and the bottom communicating pipe that gathers the cigarette case and fixed, the top that L appeared to take over communicates and fixes with gas flow meter's gas outlet, and the right-hand member that L appeared to take over communicates and fixes with the left end of flue gas absorption mouth, and the cooperation is taken over to gas flow meter and L shape that sets up, utilizes gas flow meter to realize detecting the flue gas velocity of flow and transmits for PCL controller velocity of flow value.

Preferably, the granule filtering component includes box-shaped stainless steel filter screen and the connecting rod that the top set up for the opening, box-shaped stainless steel filter screen movable sleeve establishes in the rectangle box that corresponds, the bottom of connecting rod and the bottom inner wall fixed connection of the box-shaped stainless steel filter screen that corresponds, the top of connecting rod and the top inner wall fixed connection of the lid that corresponds, the box-shaped stainless steel filter screen and the cooperation of connecting rod of setting utilize box-shaped stainless steel filter screen to realize the collection of filtering in advance to the particulate impurity in the flue gas, utilize the connecting rod convenience to drive box-shaped stainless steel filter screen and shift out when moving the lid on, make things convenient for the personnel follow-up to take out the clearance to box-shaped stainless steel filter screen.

Preferably, it includes two shutoff boards to lead to the cigarette subassembly in turn, a connecting rod, L shape pole, bottom plate and electric telescopic handle, two the sealed movable contact of one side that the shutoff board repels is with the both sides inner wall of fixed box respectively, the both ends of connecting rod are respectively with the close one side fixed connection of two shutoff boards, the top of L shape pole and the bottom fixed connection of connecting rod, the sealed sliding sleeve of bottom plate is established on L shape pole, the top of bottom plate and the bottom fixed connection of fixed box, electric telescopic handle fixed mounting is on the bottom right side of bottom plate, electric telescopic handle's the end that stretches out and the bottom inner wall fixed connection of L shape pole, electric telescopic handle and PCL controller electric connection, left shutoff board is located the right side of left breather pipe, the shutoff board on right side is located the top on the breather pipe on right side, two shutoff boards that set up, the connecting rod, L shape pole, bottom plate and electric telescopic handle cooperation, utilize the PCL controller to set up the starting flow rate to electric telescopic handle in advance, PCL controller automatic control electric telescopic handle starts when flue gas inflow is less than putting, reach and can further drive two shutoff boards and move up, and then realize the shutoff in turn, and conveniently get into the change flue gas.

Preferably, a sealing rubber sleeve is bonded and sleeved in the box cover, and the inner side of the sealing rubber sleeve is in movable contact with the outer side of the corresponding rectangular box.

Preferably, two one side that the shutoff board kept away from each other all bonds and is fixed with the rubber seal, and one side that two rubber seals kept away from each other respectively with the both sides movable contact of fixed box, left rubber seal and the right-hand member movable contact of left breather pipe.

Preferably, flue gas treatment facility body still includes and distributes in proper order from the bottom up in proper order and sets up granule adsorbed layer, high accuracy adsorbed layer and the shower head in the casing.

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

1. according to the chemical laboratory flue gas treatment equipment, the particle filtering component, the flow velocity detection component, the cigarette gathering box, the one-way valve, the rectangular box, the vent pipe, the fixed box and the L-shaped smoke inlet pipe are matched, when the induced draft fan is started to enable the induced draft fan to sequentially pass through the shell and the flue gas adsorption port for suction, external chemical laboratory flue gas can be sucked into the corresponding rectangular box through the L-shaped smoke inlet pipe, solid particle impurities are filtered in advance by the particle filtering component, and the effect of filtering and collecting the particle impurities in the flue gas in advance before the flue gas enters the shell for treatment is achieved;

2. this chemical industry laboratory flue gas treatment facility, through the PCL controller that sets up, audible-visual annunciator, logical cigarette subassembly in turn, velocity of flow detection subassembly, two breather pipes, electric telescopic handle and fixed box cooperation, can detect the flue gas and get into the velocity of flow, whether take place to block up in order to judge box-shaped stainless steel filter screen, and automatic alarm reminds personnel and automatic change the direction of ventilating and utilizes two box-shaped stainless steel filter screens to filter in turn when being less than to predetermine velocity of flow value and judging for blocking, need not stop smoking processing work during the clearance.

The utility model discloses a setting up of particle filtering component can be to the solid particle impurity prefiltration collection in the flue gas before the flue gas gets into the casing, reduce the risk that solid particle impurity caused the jam in getting into the casing in a large number, through the PCL controller, audible-visual annunciator, lead to the cigarette subassembly in turn, the setting of velocity of flow determine module and two breather pipes, can detect the flue gas velocity of flow and judge whether to take place to block up, and automatic alarm reminds and automatic change ventilation direction utilizes two box-shaped stainless steel filter screens to filter in turn when taking place to block up, need not stop smoking processing work when the solid particle impurity clearance of prefiltration collection, save downtime latency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the non-stop cleaning type flue gas pretreatment mechanism of the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a portion B in fig. 3 according to the present invention.

In the figure: 100. a housing; 101. an induced draft fan; 102. a flue gas adsorption port; 1. an L-shaped adapter tube; 2. a gas flow meter; 3. gathering cigarette cases; 4. a rectangular box; 5. a one-way valve; 6. a box-shaped stainless steel filter screen; 7. a connecting rod; 8. a box cover; 9. a PCL controller; 10. an audible and visual alarm; 11. a fixing box; 12. an L-shaped smoke inlet pipe; 13. a breather pipe; 14. a plugging plate; 15. a connecting rod; 16. an L-shaped rod; 17. a base plate; 18. an electric telescopic rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the chemical laboratory flue gas treatment device provided in this embodiment includes a flue gas treatment device body, the flue gas treatment device body includes a housing 100, an induced draft fan 101 connected to a flue gas outlet at the top of the housing 100, and a flue gas adsorption port 102 communicated with and fixed at the bottom of the left side of the housing 100, the flue gas treatment device body further includes a particle adsorption layer, a high-precision adsorption layer, and a shower head sequentially distributed and disposed in the housing 100 from bottom to top, wherein the flue gas treatment device body adopts the above-mentioned technical principle of chemical laboratory flue gas treatment, which is mentioned and disclosed in the comparison document CN207591550U, and is not further described herein for the same principle basis, and the left end of the flue gas adsorption port 102 is provided with an endless cleaning type flue gas pretreatment mechanism;

the non-stop cleaning type smoke pretreatment mechanism comprises a cigarette gathering box 3 fixedly connected to the left side of a shell 100, a flow velocity detection assembly is communicated and fixed between the bottom of the cigarette gathering box 3 and the left end of a smoke adsorption port 102, two rectangular boxes 4 with the tops being provided with openings are fixedly connected to the tops of the cigarette gathering box 3, a one-way valve 5 is communicated and fixed at the bottoms of the rectangular boxes 4, the bottoms of the one-way valves 5 are outlets and extend into the cigarette gathering box 3, the arranged one-way valve 5 plays a role of one-way smoke ventilation into the cigarette gathering box 3, a PCL controller 9 electrically connected with the flow velocity detection assembly is fixedly connected between the two rectangular boxes 4, an audible and visual alarm 10 is fixedly and electrically connected to the top of the PCL controller 9 and used for detecting the flow velocity of smoke sucked into a laboratory and transmitting the smoke velocity to the PCL controller 9, the PCL controller 9 is used for presetting the flow velocity value for starting the audible and visual alarm 10 and controlling the audible and visual alarm 10 to start when the flow velocity is lower than the preset loss value, wherein the flow velocity detection assembly comprises a gas flow velocity meter 2 and an L-shaped connection pipe 1, the gas flow velocity meter 2 is communicated with the gas adsorption port 2, the gas flow velocity detector 2, and the left end of the PCL-shaped connection pipe 1 is communicated with the gas adsorption port 102, and the PCL-shaped connection pipe 1, and the gas flow velocity detector 102;

the top of the rectangular box 4 is movably sleeved with a box cover 8 in a sealing manner, a sealing rubber sleeve is bonded and sleeved in the box cover 8, the inner side of the sealing rubber sleeve is movably contacted with the outer side of the corresponding rectangular box 4 to play a role in sealing the top of the rectangular box 4, a U-shaped handle is fixedly connected to the top of the box cover 8, a particle filtering component is fixedly connected to the inner wall of the top of the box cover 8 and movably sleeved in the corresponding rectangular box 4 and used for pre-filtering and collecting particle impurities in smoke before the smoke enters the shell 100, the particle filtering component comprises a box-shaped stainless steel filter screen 6 with an opening at the top and a connecting rod 7, the box-shaped stainless steel filter screen 6 is movably sleeved in the corresponding rectangular box 4, the bottom end of the connecting rod 7 is fixedly connected with the inner wall of the bottom of the corresponding box-shaped stainless steel filter screen 6, the top end of the connecting rod 7 is fixedly connected with the inner wall of the top of the corresponding box cover 8, the box-shaped stainless steel filter screen 6 is matched with the connecting rod 7, the box-shaped stainless steel filter screen 6 is movably sleeved in the smoke, and the connecting rod 7 is convenient for moving the stainless steel filter screen 6 out when the stainless steel filter screen 6 is moved upwards moved, and a person taking the box cover for cleaning the stainless steel filter screen 6;

a fixed box 11 with an opening at the bottom is fixedly connected between the two rectangular boxes 4, the top of the fixed box 11 is communicated and fixed with an L-shaped smoke inlet pipe 12, one side of the rectangular box 4 close to the fixed box 11 is communicated with the fixed box 11 and is fixed with a vent pipe 13, wherein, the inner wall of one side close to the two rectangular boxes 4 and the inner wall of two sides of the fixed box 11 are both provided with a through hole, the inner wall of the through hole is fixedly connected with the outer side of the corresponding vent pipe 13, the vent pipe 13 is communicated with the rectangular box 4 and the fixed box 11 through the corresponding two through holes, the two vent pipes 13 are staggered up and down, the inner walls of two sides of the fixed box 11 are in sealed movable contact with an alternate smoke through component matched with the two vent pipes 13, the alternate smoke through component is fixedly connected with the bottom of the fixed box 11, the alternate smoke through component is electrically connected with a PCL controller 9, the alternate smoke through component is used for adjusting the smoke through direction, wherein the alternative smoke ventilation component comprises two plugging plates 14, a connecting rod 15, an L-shaped rod 16, a bottom plate 17 and an electric telescopic rod 18, one sides of the two plugging plates 14 which repel each other are respectively in sealing movable contact with the inner walls of the two sides of the fixed box 11, the two ends of the connecting rod 15 are respectively fixedly connected with one side of the two plugging plates 14 which are close to each other, the top end of the L-shaped rod 16 is fixedly connected with the bottom of the connecting rod 15, the bottom plate 17 is hermetically and slidably sleeved on the L-shaped rod 16, wherein the top of the bottom plate 17 is provided with a rectangular hole, a rectangular sealing ring is adhesively sleeved in the rectangular hole, the inner side of the rectangular sealing ring is slidably sleeved with the outer side of the L-shaped rod 16, the bottom plate 17 is slidably sleeved on the L-shaped rod 16 through the rectangular sealing ring to achieve the effect of sliding sealing between the bottom plate 17 and the L-shaped rod 16, the top of the bottom plate 17 is fixedly connected with the bottom of the fixed box 11, the electric telescopic rod 18 is fixedly installed at the right side of the bottom plate 17, the extension end of an electric telescopic rod 18 is fixedly connected with the inner wall of the bottom of an L-shaped rod 16, the electric telescopic rod 18 is electrically connected with a PCL controller 9, a left plugging plate 14 is positioned on the right side of a left vent pipe 13, a right plugging plate 14 is positioned above the right vent pipe 13, one sides, far away from each other, of the two plugging plates 14 are fixedly bonded with sealing rubber, one sides, far away from each other, of the two sealing rubber are respectively in movable contact with the two sides of a fixed box 11, the left sealing rubber is in movable contact with the right end of the left vent pipe 13, the effect of sealing and plugging the corresponding vent pipe 13 is achieved, the two plugging plates 14, a connecting rod 15, the L-shaped rod 16, a bottom plate 17 and the electric telescopic rod 18 are matched, the PCL controller 9 is used for presetting the starting flow rate of the electric telescopic rod 18, when smoke flows into the lower than preset value, the PCL controller 9 automatically controls the electric telescopic rod 18 to start, the two plugging plates 14 can be further driven to move downwards and upwards, so that the two vent pipes 13 are plugged alternately, and smoke can enter a convenient change; the utility model discloses a setting up of particle filtration subassembly can be to the solid particle impurity prefiltration collection in the flue gas before the flue gas gets into casing 100, reduce the risk that causes the jam in the solid particle impurity gets into casing 100 in a large number, through PCL controller 9, audible-visual annunciator 10, lead to the cigarette subassembly in turn, the setting of velocity of flow determine module and two breather pipes 13, can detect the flue gas velocity of flow and judge whether take place to block up, and automatic alarm reminds and automatic change direction of ventilation utilizes two box-shaped stainless steel filter screens 6 to filter in turn when taking place to block up, need not stop smoking processing work when clearing up the solid particle impurity of prefiltration collection, save downtime latency.

The using method of the embodiment comprises the following steps: when flue gas is treated in a chemical laboratory, an induced draft fan 101 is started to enable the induced draft fan 101 to sequentially pass through a shell 100 and a flue gas adsorption port 102 for suction, at the moment, the flue gas adsorption port 102 sequentially passes through an L-shaped connecting pipe 1, a gas flow velocity instrument 2, a smoke gathering box 3, a one-way valve 5, a rectangular box 4 and a right-side vent pipe 13 for suction in the fixed box 11, the fixed box 11 sucks the flue gas in an external chemical laboratory through an L-shaped smoke inlet pipe 12, under the suction force, the flue gas firstly enters the fixed box 11, then enters the right-side rectangular box 4 through the right-side vent pipe 13, then downwards passes through a right-side box-shaped stainless steel filter screen 6 to enter the smoke gathering box 3 through the right-side one-way valve, then downwards sequentially passes through the gas flow velocity instrument 2, the L-shaped connecting pipe 1 and the flue gas adsorption port 102 to enter the shell 100 for flue gas treatment, and when the flue gas passes through the right-side stainless steel filter screen 6, the right-side box-shaped stainless steel filter screen 6 can filter and collect solid particle impurities in the flue gas, so that the interior of the flue gas is pre-collected before the flue gas enters the shell 100 for treatment, and the risk of blocking the solid particle impurities in the shell 100 is reduced;

when smoke passes through the gas flow velocity instrument 2, the gas flow velocity instrument 2 detects the flow velocity of the smoke and transmits the flow velocity to the PCL controller 9, personnel can preset starting flow velocity values of the electric telescopic rod 18 and the audible and visual alarm 10 by using the PCL controller 9, when the box-shaped stainless steel filter screen 6 on the right side is blocked, the smoke passing efficiency is reduced, and further the flow velocity detected by the gas flow velocity instrument 2 is reduced, when the flow velocity is lower than the preset value, the PCL controller 9 controls the audible and visual alarm 10 to be turned on, audible and visual alarm is performed to remind the personnel to clean in time, meanwhile, the PCL controller 9 controls the electric telescopic rod 18 to be started in the forward direction, the extending end of the electric telescopic rod 18 drives the L-shaped rod 16 to move downwards, the L-shaped rod 16 drives the two plugging plates 14 to move downwards through the connecting rod 15, and at the time, the plugging plate 14 on the right side downwards plugs the ventilation pipe 13 on the right side, at the moment, the plugging plate 14 positioned on the left side downwards releases plugging of the vent pipe 13 on the left side, the smoke is sucked and fed through the vent pipe 13 on the left side, the smoke is further converted into the box-shaped stainless steel filter screen 6 on the left side to continue prefiltering, at the moment, a person can upwards pull the U-shaped handle on the right side to enable the U-shaped handle to sequentially pass through the box cover 8 on the right side and the connecting rod 7 to drive the box-shaped stainless steel filter screen 6 on the right side to upwards move out, the U-shaped handle can be cleaned and placed into the rectangular box 4 on the right side after the cleaning is finished, then the sound-light alarm 10 is turned off by the person, when the box-shaped stainless steel filter screen 6 on the left side is blocked, the flow rate is reduced again, when the flow rate is lower than the flow rate value, the PCL controller 9 controls the sound-light alarm 10 to turn on again to remind the person, controls the electric telescopic rod 18 to be reversely started, and the movement direction of the forward starting of the electric telescopic rod 18 is completely opposite to the same reason, two closure plates 14 change into upwards moving back and reset this moment, reach the breather pipe 13 shutoff on left and remove the shutoff to the breather pipe 13 on right side, realize turning direction once more and filter and ventilate, judge whether to take place the jam through detecting the flue gas velocity of flow, and automatic alarm reminds and automatic turning direction of ventilating utilizes two box-shaped stainless steel filter screens 6 mode of filtering in turn when taking place the jam, need not stop smoking processing work when the solid particle impurity clearance to prefiltering collection, play the effect of removing out to prefiltering solid particle impurity clearance when not shutting down, save the latency of shutting down.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a chemical industry laboratory flue gas treatment facility, includes the flue gas treatment facility body, the flue gas treatment facility body includes casing (100), connects draught fan (101), the intercommunication of casing (100) top smoke vent department and fixes flue gas absorption mouth (102) in casing (100) left side bottom, its characterized in that: the left end of the flue gas adsorption port (102) is provided with an nonstop cleaning type flue gas pretreatment mechanism;

the non-stop cleaning type smoke pretreatment mechanism comprises a smoke collection box (3) fixedly connected to the left side of a shell (100), the bottom of the smoke collection box (3) is communicated with the left end of a smoke adsorption port (102) and is fixedly provided with a flow velocity detection assembly, the top of the smoke collection box (3) is fixedly connected with two rectangular boxes (4) of which the tops are provided with openings, the bottoms of the rectangular boxes (4) are communicated and are fixedly provided with one-way valves (5), the bottoms of the one-way valves (5) are outlets and extend into the smoke collection box (3), a PCL controller (9) electrically connected with the flow velocity detection assembly is fixedly connected between the two rectangular boxes (4), and the top of the PCL controller (9) is fixedly and electrically connected with an audible and visual alarm (10);

the top of the rectangular box (4) is hermetically and movably sleeved with a box cover (8), the top of the box cover (8) is fixedly connected with a U-shaped handle, the inner wall of the top of the box cover (8) is fixedly connected with a particle filtering component, and the particle filtering component is movably sleeved in the corresponding rectangular box (4);

two fixedly connected with is fixed box (11) that the opening set up with same bottom between rectangle box (4), the top intercommunication of fixed box (11) is fixed with L shape and advances tobacco pipe (12), intercommunication and be fixed with breather pipe (13) between one side that rectangle box (4) are close to fixed box (11) and fixed box (11), stagger from top to bottom two breather pipe (13), sealed movable contact has between the both sides inner wall of fixed box (11) leads to the cigarette subassembly in turn with two breather pipe (13) matched with, lead to the bottom fixed connection of cigarette subassembly and fixed box (11) in turn, lead to cigarette subassembly and PCL controller (9) electric connection in turn.

2. The chemical laboratory flue gas treatment plant of claim 1, wherein: the flow velocity detection assembly comprises a gas flow velocity instrument (2) and an L-shaped connecting pipe (1), wherein a gas inlet of the gas flow velocity instrument (2) is communicated and fixed with the bottom of the cigarette gathering box (3), the top end of the L-shaped connecting pipe (1) is communicated and fixed with a gas outlet of the gas flow velocity instrument (2), and the right end of the L-shaped connecting pipe (1) is communicated and fixed with the left end of the smoke adsorption port (102).

3. The chemical laboratory flue gas treatment plant of claim 2, wherein: granule filtering component includes box-shaped stainless steel filter screen (6) and connecting rod (7) that the top set up for the opening, box-shaped stainless steel filter screen (6) movable sleeve is established in rectangle box (4) that corresponds, the bottom of connecting rod (7) and the bottom inner wall fixed connection of box-shaped stainless steel filter screen (6) that corresponds, the top of connecting rod (7) and the top inner wall fixed connection of lid (8) that corresponds.

4. The chemical laboratory flue gas treatment equipment according to claim 1, wherein: the alternative smoke ventilation assembly comprises two plugging plates (14), a connecting rod (15), an L-shaped rod (16), a bottom plate (17) and an electric telescopic rod (18), two, one side, repellent to each other, of each plugging plate (14) is in sealed movable contact with the inner walls of the two sides of a fixed box (11) respectively, two ends of each connecting rod (15) are fixedly connected with one side, close to the two plugging plates (14), of the top end of the L-shaped rod (16) and the bottom of the connecting rod (15), the bottom plate (17) is sleeved on the L-shaped rod (16) in a sealed sliding mode, the top of the bottom plate (17) is fixedly connected with the bottom of the fixed box (11), the electric telescopic rod (18) is fixedly installed on the right side of the bottom plate (17), the extending end of the electric telescopic rod (18) is fixedly connected with the inner wall of the bottom of the L-shaped rod (16), the electric telescopic rod (18) is electrically connected with a PCL controller (9), the left plugging plate (14) is located on the right side of the ventilation pipe (13), and the plugging plate (14) on the right side is located above the right side of the ventilation pipe (13).

5. The chemical laboratory flue gas treatment equipment according to claim 1, wherein: the box cover (8) is internally bonded and sleeved with a sealing rubber sleeve, and the inner side of the sealing rubber sleeve is movably contacted with the outer side of the corresponding rectangular box (4).

6. The chemical laboratory flue gas treatment plant of claim 4, wherein: one side that two shutoff board (14) kept away from each other all bonds and is fixed with the stripper rubber, one side that two stripper rubbers kept away from each other respectively with the both sides movable contact of fixed box (11), left stripper rubber and the right-hand member movable contact of left breather pipe (13).

7. The chemical laboratory flue gas treatment equipment according to claim 1, wherein: the flue gas treatment equipment body still includes in proper order from supreme granule adsorbed layer, the high accuracy adsorbed layer and the shower head of setting in casing (100) that distribute gradually down.

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