CN217084661U

CN217084661U - A lingermann blackness meter for exhaust gas monitoring

Info

Publication number: CN217084661U
Application number: CN202220476029.7U
Authority: CN
Inventors: 高治中
Original assignee: Inner Mongolia Lujie Environmental Testing Co ltd
Current assignee: Inner Mongolia Lujie Environmental Testing Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-29
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a linggeman jetness meter for exhaust gas monitoring, its structure includes adjustment mechanism and guiding mechanism, through having set up adjustment mechanism at portable pole body top, the water conservancy diversion effect through miniature air pump and multi-way valve carries out the water conservancy diversion action to the air current, thereby make first pneumatic adjusting lever drive electromagnetic block and spacing sliding ring slide respectively in first spacing spout cell wall and portable pole body outside, improve the displacement control effect to first mount and linggeman jetness meter, through having set up guiding mechanism on first pneumatic adjusting lever right side, it is inside through water conservancy diversion filter screen and air guide cover entering electromagnetic directional valve to drive waste gas through micro vacuum pump, and the water conservancy diversion effect through electromagnetic directional valve makes waste gas get into the inside detection of linggeman jetness meter or get into the inside filtration of rose box and filter.

Description

A lingermann blackness meter for exhaust gas monitoring

Technical Field

The utility model relates to an exhaust-gas detection equipment technical field, concretely relates to linggemann blackness meter for exhaust-gas monitoring.

Background

The waste gas refers to toxic and harmful gas discharged by human in the production and living process; especially chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like, the discharged waste gas has large smell, seriously pollutes the environment and affects the human health; the ringer Mannesmia meter is a device for measuring the blackness of smoke discharged by a fixed pollution source by a ringer Mannesmia smoke blackness chart method, and is a smoke ringer Mannesmia analysis system which is developed as the level of science and technology is improved.

At present, chinese patent with publication number CN201220053280.9 discloses a lingemann blackness meter, which comprises a telescope body with an optical prism inside, and is characterized in that: the electronic watch comprises a battery, a clock module and a display module, wherein the battery is respectively connected with the clock module and the display module through wires, and the signal output end of the clock module is connected with the display module.

Most of the existing devices are relatively fixed in structure during detection, so that detection personnel mostly need to be close to a waste gas outlet during detection, and the physical damage to the personnel is easily caused; meanwhile, the existing detection device lacks a filtering step after detection, so that residual waste gas in the existing device is easy to cause harm to subsequent cleaning personnel.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the lingermann blackness meter for monitoring the waste gas is provided, and the problems that most of structures of the existing device are fixed during detection, so that most of detection personnel need to be close to a waste gas outlet during detection, and the body of the personnel is easily damaged are solved; meanwhile, the existing detection device lacks a filtering step after detection, so that the problem that residual waste gas in the existing device is easy to cause harm to subsequent cleaning personnel is caused.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a linggeman jetness meter for exhaust gas monitoring, including portable pole body, adjustment mechanism, guiding mechanism, linggeman jetness meter, first flexible trachea, down tube, afterbody pole, battery compartment, second mount and magic subsides, portable pole body top is equipped with the linggeman jetness meter, linggeman jetness meter top and first flexible trachea tube coupling, portable pole body left end and down tube fixed connection, down tube left end and afterbody pole fixed connection, afterbody pole left end and battery compartment right-hand member bolted connection, portable pole body bottom left side and second mount bolted connection, both sides all paste fixed connection with the magic around the second mount, linggeman jetness meter is connected with the battery compartment electricity, adjustment mechanism locates portable pole body top, adjustment mechanism includes first spacing spout, first pneumatic adjusting rod, The portable gas meter comprises an electromagnetic block, a limiting sliding ring, a holding part, a first fixing frame, a second telescopic gas pipe, a multi-way valve, a miniature gas pump, a second pneumatic adjusting rod and a rotating gas disk, wherein a first limiting sliding groove is formed in the top of a rod body of the portable gas pump, the inner groove wall of the first limiting sliding groove is in bolted connection with a fixing rod of the first pneumatic adjusting rod, the right side of a piston rod of the first pneumatic adjusting rod is in bolted connection with the left end of the electromagnetic block, the top of the electromagnetic block is fixedly connected with the inner groove of the limiting sliding ring, the inner groove wall of the limiting sliding ring is in sliding connection with the rod body of the portable gas pipe, the top of the limiting sliding ring is in bolted connection with the holding part, the top of the holding part is in bolted connection with the first fixing frame, the inner groove wall of the first fixing frame is in sliding connection with a Ringelmann melanometer, the gas inlet of the first pneumatic adjusting rod is in pipe connection with a connecting pipe at the middle side of the second telescopic gas pipe, the second telescopic gas pipe is respectively in connection with a pipeline at the top of the multi-way valve, the portable air pump is characterized in that the multi-way valve is fixedly connected with the inner side wall of the inclined rod, the multi-way valve is connected with a gas outlet pipeline of a miniature air pump, the miniature air pump is fixedly connected with the inner side wall of the inclined rod, the inner side wall of the rod of the portable rod is rotatably connected with a second pneumatic adjusting rod, the gas inlet of the second pneumatic adjusting rod is connected with a second telescopic gas pipe pipeline, the second pneumatic adjusting rod is fixedly connected with the inner side wall of the rotary air disc, the electromagnetic block, the multi-way valve and the miniature air pump are all electrically connected with the battery bin, and a flow guide mechanism is arranged on the right side of a piston rod of the second pneumatic adjusting rod.

Further, the flow guide mechanism comprises a heat insulation shell, a flow guide filter screen, a gas guide cover, a heat insulation cushion layer, a micro vacuum pump, an electromagnetic directional valve, a third telescopic air pipe and a filter box, the right side of a piston rod of the second pneumatic adjusting rod is in bolted connection with the left side of the heat insulation shell, the front end of the heat insulation shell is in bolted connection with the flow guide filter screen, the rear end of the flow guide filter screen is in bolted connection with the front end of the gas guide cover, the inner side wall of the heat insulation shell is fixedly connected with the heat insulation cushion layer, the gas inlet of the gas guide cover is in pipeline connection with the micro vacuum pump, the gas outlet of the micro vacuum pump is in pipeline connection with the electromagnetic directional valve, the pipe orifice at the bottom of the electromagnetic directional valve is in pipeline connection with the first telescopic air pipe, the pipe orifice at the rear end of the electromagnetic directional valve is in pipeline connection with the third telescopic air pipe is in pipeline connection with the filter box, and the top of the filter box is in bolted connection with the bottom of the tail rod, the micro vacuum pump and the electromagnetic directional valve are electrically connected with the battery cabin.

Furthermore, the adjusting length of the first pneumatic adjusting rod is the same as the displacement length of the limiting sliding ring, and the first pneumatic adjusting rod and the second pneumatic adjusting rod are in parallel relation.

Furthermore, the rotation angle interval of the second pneumatic adjusting rod and the rotating air disc is 180 degrees, and the second pneumatic adjusting rod is perpendicular to the left side of the heat insulation shell.

Furthermore, the limiting slip ring is made of steel.

Furthermore, the material of the flow guide filter screen is steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) a linggeman jetness meter for exhaust gas monitoring, through having set up adjustment mechanism at portable pole body top, the water conservancy diversion effect through miniature air pump and multi-ported valve carries out the water conservancy diversion action to the air current to make first pneumatic adjusting lever drive cell wall and portable pole body outside slide in first spacing spout respectively with spacing sliding ring, improve the displacement regulating effect to first mount and linggeman jetness meter.

2) A linggeman jetness meter for exhaust gas monitoring, through having set up guiding mechanism on first pneumatic adjustment pole right side, drive waste gas through micro vacuum pump and get into inside the solenoid directional valve through water conservancy diversion filter screen and air guide cover to the water conservancy diversion effect through the solenoid directional valve makes waste gas get into that linggeman jetness meter is inside to be detected or get into the rose box and filter.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an adjusting mechanism of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the adjusting mechanism of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the flow guiding mechanism of the present invention;

fig. 5 is a schematic view of the top view structure of the diversion mechanism of the present invention.

In the figure: the device comprises a portable rod body-1, an adjusting mechanism-2, a flow guide mechanism-3, a Ringelmann blackness meter-4, a first telescopic air pipe-5, an inclined rod-6, a tail rod-7, a battery bin-8, a second fixing frame-9, a magic tape-10, a first limiting chute-21, a first pneumatic adjusting rod-22, an electromagnetic block-23, a limiting sliding ring-24, a hand holding part-25, a first fixing frame-26, a second telescopic air pipe-27, a multi-way valve-28, a micro air pump-29, a second pneumatic adjusting rod-210, a rotary air disc-211, a heat insulation shell-31, a flow guide filter screen-32, an air guide cover-33, a heat insulation cushion layer-34, a micro vacuum pump-35, an electromagnetic reversing valve-36, a third telescopic air pipe-37, a heat insulation cushion layer-34, a micro vacuum pump-35, a magnetic reversing valve-36, a third telescopic air pipe-37, a magnetic material, a filter box-38.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a lingermann blackness meter for monitoring exhaust gas: including portable pole body 1, adjustment mechanism 2, guiding mechanism 3, linggeminmanmelanometer 4, first flexible trachea 5, the down tube 6, afterbody pole 7, battery compartment 8, second mount 9 and magic subsides 10, portable pole body 1 top is equipped with linggeminmanmelanometer 4, linggeminmanmelanometer 4 top and 5 pipe connection of first flexible trachea, 1 left end of portable pole body and 6 fixed connection of down tube, 6 left ends of down tube and 7 fixed connection of afterbody pole, 7 left ends of afterbody pole and 8 right-hand member bolted connection in battery compartment, 1 bottom left side of portable pole body and 9 bolted connection in second mount, both sides all paste 10 fixed connection with the magic around the second mount 9, linggeminmanmelanometer 4 is connected with 8 electricity in battery compartment.

Referring to fig. 2 and 3, the present invention provides a lingman jetometer for monitoring waste gas, wherein an adjusting mechanism 2 is disposed on the top of a handle bar body 1 to improve the adjusting effect, the adjusting mechanism 2 comprises a first limiting chute 21, a first pneumatic adjusting bar 22, an electromagnetic block 23, a limiting slip ring 24, a grip portion 25, a first fixing frame 26, a second telescopic air pipe 27, a multi-way valve 28, a micro air pump 29, a second pneumatic adjusting bar 210 and a rotary air plate 211, the top of the handle bar body 1 is provided with the first limiting chute 21 to improve the limiting effect of the first limiting chute 21, the inner chute wall of the first limiting chute 21 is connected with the first pneumatic adjusting bar 22 by a fixing rod bolt, so as to improve the fixing effect of the first pneumatic adjusting bar 22, the right side of the piston rod of the first pneumatic adjusting bar 22 is connected with the left end bolt of the electromagnetic block 23, so as to improve the driving effect of the first pneumatic adjusting bar 22, the top of the electromagnetic block 23 is fixedly connected with the inner chute of the limiting slip ring 24, improve the displacement effect of the limiting slip ring 24, the inner groove wall of the limiting slip ring 24 is connected with the handle body 1 in a sliding way, improve the displacement effect of the limiting slip ring 24, the top of the limiting slip ring 24 is connected with the holding part 25 in a bolt way, improve the fixing effect of the holding part 25, the top of the holding part 25 is connected with the first fixing frame 26 in a bolt way, improve the fixing effect of the first fixing frame 26, the inner groove wall of the first fixing frame 26 is connected with the Ringelmann nigrometer 4 in a sliding way, improve the limiting effect of the first fixing frame 26, the air inlet of the first pneumatic adjusting rod 22 is connected with the middle side connecting pipe of the second telescopic air pipe 27, improve the flow guiding effect of the second telescopic air pipe 27, the second telescopic air pipe 27 is respectively connected with the top side opening pipe of the multi-way valve 28, improve the flow guiding effect of the multi-way valve 28, the multi-way valve 28 is fixedly connected with the inner side wall of the inclined rod 6, improve the fixing effect of the multi-way valve 28, the multi-way valve 28 is connected with the air outlet pipe of the micro air pump 29, the flow guiding effect of the multi-way valve 28 is improved, the micro air pump 29 is fixedly connected with the inner side wall of the inclined rod 6, the fixing effect of the micro air pump 29 is improved, the inner groove wall of the handle bar body 1 is rotatably connected with the second pneumatic adjusting rod 210, the rotating effect of the second pneumatic adjusting rod 210 is improved, the air inlet of the second pneumatic adjusting rod 210 is connected with the second telescopic air pipe 27 through a pipeline, the driving effect of the second pneumatic adjusting rod 210 is improved, the second pneumatic adjusting rod 210 is fixedly connected with the inner ring wall of the rotary air disc 211, the rotating effect of the rotary air disc 211 is improved, the electromagnetic block 23, the multi-way valve 28 and the micro air pump 29 are electrically connected with the battery bin 8, the flow guiding mechanism 3 is arranged on the right side of the piston rod of the second pneumatic adjusting rod 210, the flow guiding effect is improved, the adjusting length of the first pneumatic adjusting rod 22 is the same as the displacement length of the limiting sliding ring 24, and the first pneumatic adjusting rod 22 is in parallel relation with the second pneumatic adjusting rod 210, the adjusting effect of the first pneumatic adjusting rod 22 and the second pneumatic adjusting rod 210 is improved, the rotating angle interval between the second pneumatic adjusting rod 210 and the rotating air disc 211 is 180 degrees, the second pneumatic adjusting rod 210 is perpendicular to the left side of the heat insulation shell 31, and the rotating adjusting effect of the second pneumatic adjusting rod 210 and the rotating air disc 211 is improved.

Referring to fig. 4 and 5, the present invention provides a lingemann blackness meter for monitoring exhaust gas, wherein the flow guide mechanism 3 comprises a heat insulation housing 31, a flow guide filter screen 32, a gas guide cover 33, a heat insulation cushion layer 34, a micro vacuum pump 35, an electromagnetic directional valve 36, a third telescopic air pipe 37 and a filter box 38, the right side of a piston rod of a second pneumatic adjusting rod 210 is bolted to the left side of the heat insulation housing 31 to improve the fixing effect of the heat insulation housing 31, the front end of the heat insulation housing 31 is bolted to the flow guide filter screen 32 to improve the fixing effect of the flow guide filter screen 32, the rear end of the flow guide filter screen 32 is bolted to the front end of the gas guide cover 33 to improve the fixing effect of the gas guide cover 33, the inner side wall of the heat insulation housing 31 is fixedly connected to the heat insulation cushion layer 34 to improve the fixing effect of the heat insulation cushion layer 34, the air inlet of the gas guide cover 33 is connected to the micro vacuum pump 35 to improve the flow guide effect of the micro vacuum pump 35, the air outlet of the micro vacuum pump 35 is connected to the electromagnetic directional valve 36, improve the fixed effect of electromagnetic

directional valve

36, 36 bottom mouths of tubes of electromagnetic directional valve and 5 pipe connections of first flexible trachea, improve the water conservancy diversion effect of electromagnetic

directional valve

36, 36 rear end mouths of tubes of electromagnetic directional valve and the 37 pipe connections of the flexible trachea of third, improve the water conservancy diversion effect of the flexible trachea 37 of third, the flexible trachea 37 of third is connected with rose box 38 air inlet pipe, improve the water conservancy diversion effect of the flexible trachea 37 of third, rose box 38 top and 7 bottom bolted connection of afterbody pole, improve the fixed effect of rose box 38, micro vacuum pump 35 and electromagnetic directional valve 36 all are connected with battery compartment 8 electricity.

The utility model provides a Lingemann blackness meter for waste gas monitoring through improvement, and the working principle is as follows;

firstly, when the equipment is used, the device is firstly placed in a working area, and then the equipment is connected with an external power supply, so that the required electric energy can be provided for the work of the equipment;

secondly, when the waste gas detection is carried out, a user controls the micro air pump 29 to work through the battery bin 8, so that the micro air pump 29 drives air flow to enter the first pneumatic adjusting rod 22 under the flow guide effect of the multi-way valve 28, the first pneumatic adjusting rod 22 drives the electromagnetic block 23 to slide in the groove in the first limiting sliding groove 21, the electromagnetic block 23 drives the limiting sliding ring 24, the holding part 25 and other parts to move, the first fixing frame 26 and the Ringelmann blackness meter 4 to be adjusted, then the holding part 25 is held by the hand of the user, the arm of the user is fixedly connected with the portable rod body 1 through the magic tape 10, and the portable rod body 1 can be matched and fixed with the user at a proper position;

thirdly, the second telescopic air pipe 27 drives the heat insulation shell 31 to perform displacement action when the flow guiding action of the micro air pump 29 and the multi-way valve 28 is performed, and meanwhile, the second pneumatic adjusting rod 210 and the heat insulation shell 31 can be subjected to angle adjusting action by rotating the air disc 211, so that the horizontal and angle adjusting effects on the heat insulation shell 31 can be improved, and then the micro vacuum pump 35 is controlled to perform air suction, so that the micro vacuum pump 35 drives air flow to enter the air guide hood 33 through the air guide hood 33;

fourthly, short circuit or other phenomena of the components such as the micro vacuum pump 35 and the electromagnetic directional valve 36 caused by high temperature of the waste gas are avoided through the heat insulation characteristics of the components such as the heat insulation shell 31 and the heat insulation cushion layer 34, and then the waste gas is driven to enter the inner side of the Ringelmann blackness meter 4 to be detected through the diversion and reversing effects of the micro vacuum pump 35 and the electromagnetic directional valve 36;

fifthly, when the data is detected to be higher, the lingman blackness meter 4 gives an alarm, and the electromagnetic directional valve 36 is controlled to change the direction, so that the air flow enters the filter box 38 through the third telescopic air pipe 37, the waste gas exceeding the standard is filtered inside the filter box 38, the influence on detection workers caused by overflow of the waste gas exceeding the standard is reduced, the workers can evacuate under the safe condition, and the detection safety is improved.

A linggeman jetness meter for exhaust gas monitoring, the water conservancy diversion effect through optimizing through miniature air pump 29 and multi-way valve 28 carries out the water conservancy diversion action to the air current, thereby make first pneumatic adjusting rod 22 drive electromagnetic block 23 and spacing sliding ring 24 respectively in first spacing spout 21 in cell wall and the portable pole body 1 outside slide, the improvement is to the displacement regulation effect of first mount 26 and linggeman jetness meter 4, it passes through inside water conservancy diversion filter screen 32 and the inlet hood 33 gets into electromagnetic directional valve 36 to drive waste gas through micro vacuum pump 35, and the water conservancy diversion effect through electromagnetic directional valve 36 makes waste gas get into the inside detection of linggeman jetness meter 4 or get into inside the filter box 38 and filter.

Claims

1. The utility model provides a linggeman jettometer for exhaust gas monitoring, pastes (10) including portable pole body (1) and magic, portable pole body (1) top is equipped with linggeman jettometer (4), linggeman jettometer (4) top and first flexible trachea (5) pipe connection, portable pole body (1) left end and down tube (6) fixed connection, its characterized in that: the portable bar is characterized by further comprising an adjusting mechanism (2) and a flow guide mechanism (3), wherein the adjusting mechanism (2) is arranged at the top of the portable bar body (1), the adjusting mechanism (2) comprises a first limiting sliding groove (21), a first pneumatic adjusting bar (22), an electromagnetic block (23), a limiting sliding ring (24), a holding part (25), a first fixing frame (26), a second telescopic air pipe (27), a multi-way valve (28), a micro air pump (29), a second pneumatic adjusting bar (210) and a rotary air disc (211), the inner groove wall of the first limiting sliding groove (21) is in bolted connection with a fixing rod of the first pneumatic adjusting bar (22), the top of the electromagnetic block (23) is fixedly connected with the inner groove of the limiting sliding ring (24), the top of the holding part (25) is in bolted connection with the first fixing frame (26), the second telescopic air pipe (27) is respectively connected with a top side open pipeline of the multi-way valve (28), miniature air pump (29) and down tube (6) inside wall fixed connection, second pneumatic adjusting lever (210) and rotation air disk (211) inner ring wall fixed connection, second pneumatic adjusting lever (210) piston rod right side is equipped with water conservancy diversion mechanism (3).

2. The ringelmann blackness meter for exhaust gas monitoring as set forth in claim 1, wherein: the flow guide mechanism (3) comprises a heat insulation shell (31), a flow guide filter screen (32), an air guide cover (33), a heat insulation cushion layer (34), a micro vacuum pump (35), an electromagnetic directional valve (36), a third telescopic air pipe (37) and a filter box (38), the right side of the piston rod of the second pneumatic adjusting rod (210) is connected with the left side of the heat insulation shell (31) through a bolt, the front end of the heat insulation shell (31) is connected with a flow guide filter screen (32) through a bolt, the rear end of the flow guide filter screen (32) is connected with the front end of the air guide cover (33) through a bolt, the inner side wall of the heat insulation shell (31) is fixedly connected with a heat insulation cushion layer (34), the air inlet of the air guide hood (33) is connected with a micro vacuum pump (35) through a pipeline, the air outlet of the micro vacuum pump (35) is connected with an electromagnetic directional valve (36) through a pipeline, the micro vacuum pump (35) and the electromagnetic directional valve (36) are electrically connected with the battery bin (8).

3. The ringelmann blackness meter for exhaust gas monitoring as set forth in claim 1, wherein: slope pole (6) left end and afterbody pole (7) fixed connection, afterbody pole (7) left end and battery compartment (8) right-hand member bolted connection, portable pole body (1) bottom left side and second mount (9) bolted connection, both sides all paste (10) fixed connection with the magic around second mount (9), linggemann blackness meter (4) are connected with battery compartment (8) electricity.

4. The ringelmann blackness meter for exhaust gas monitoring as set forth in claim 1, wherein: the portable rod body (1) is provided with a first limiting sliding groove (21) at the top, the right side of a piston rod of a first pneumatic adjusting rod (22) is connected with a left end bolt of an electromagnetic block (23), the inner groove wall of the limiting sliding ring (24) is connected with the rod body of the portable rod body (1) in a sliding way, the top of the limiting sliding ring (24) is connected with a holding part (25) through a bolt, the inner groove wall of a first fixing frame (26) is connected with a Lingeman melanometer (4) in a sliding way, the air inlet of the first pneumatic adjusting rod (22) is connected with a middle connecting pipe of a second telescopic air pipe (27), a multi-way valve (28) is fixedly connected with the inner side wall of an inclined rod (6), the multi-way valve (28) is connected with a gas outlet pipe of a miniature air pump (29), the inner groove wall of the portable rod body (1) is rotationally connected with a second pneumatic adjusting rod (210), the air inlet of the second pneumatic adjusting rod (210) is connected with the second telescopic air pipe (27), the electromagnetic block (23), the multi-way valve (28) and the micro air pump (29) are all electrically connected with the battery compartment (8).

5. The ringelmann blackness meter for exhaust gas monitoring as set forth in claim 2, wherein: the bottom pipe orifice of the electromagnetic directional valve (36) is connected with a first telescopic air pipe (5) through a pipeline, and the rear end pipe orifice of the electromagnetic directional valve (36) is connected with a third telescopic air pipe (37) through a pipeline.

6. The ringer manometers for monitoring exhaust gas as set forth in claim 5, wherein: the third telescopic air pipe (37) is connected with an air inlet pipeline of the filter box (38), and the top of the filter box (38) is connected with the bottom of the tail rod (7) through a bolt.

7. The ringelmann blackness meter for exhaust gas monitoring as set forth in claim 1, wherein: the adjusting length of the first pneumatic adjusting rod (22) is the same as the displacement length of the limiting sliding ring (24), and the first pneumatic adjusting rod (22) and the second pneumatic adjusting rod (210) are in parallel relation.

8. The ringelmann blackness meter for exhaust gas monitoring as set forth in claim 1, wherein: the rotation angle interval of the second pneumatic adjusting rod (210) and the rotating air disc (211) is 180 degrees, and the second pneumatic adjusting rod (210) is perpendicular to the left side of the heat insulation shell (31).