CN218421972U - Safe discharge apparatus suitable for hydrogen sulfide is handled - Google Patents

Abstract

The utility model discloses a safe discharge apparatus suitable for hydrogen sulfide is handled relates to hydrogen sulfide treatment facility technical field, specifically includes the bottom plate, backup pad bottom surface four corners all is equipped with rather than first pillar of looks vertically, first pillar one end is connected with the backup pad, the first pillar other end is connected with the bottom plate, backup pad top surface horizontal center department fixed mounting has the washing box, the top of washing box one side is equipped with first fixed slot, first fixed slot one side port department is equipped with down the gas collecting cover, down the gas collecting cover is connected with the washing box through the bolt, one side that the washing box was kept away from to the gas collecting cover down is connected with the air inlet main. The utility model discloses when using, realized the multiple purification to hydrogen sulfide gas body, security when having improved air discharge greatly has reduced the destruction to the environment to the at utmost, has higher suitability.

Description

Safe discharge apparatus suitable for hydrogen sulfide is handled

Technical Field

The utility model relates to a hydrogen sulfide treatment facility technical field specifically is a safe discharge apparatus suitable for hydrogen sulfide is handled.

Background

The hydrogen sulfide is an inorganic compound, has a chemical formula of H2S, is a flammable acidic gas under the standard condition, is colorless, has a smelly egg smell at a low concentration, has a sulfur smell at a very low concentration, is extremely toxic, and needs to be purified by using equipment before the hydrogen sulfide is discharged in order to avoid damaging the environment. The existing hydrogen sulfide treatment equipment is single in treatment mode, filter elements such as a multi-pass filter screen and a filter cartridge purify hydrogen sulfide gas in air, the treatment mode is single, the purification efficiency and the purification effect are poor, meanwhile, purified gas cannot be detected, and gas up to the standard can be purified repeatedly, the operation of unfavorable safe emission is realized, and the safety emission equipment suitable for hydrogen sulfide treatment is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safe discharging equipment suitable for hydrogen sulfide is handled has solved hydrogen sulfide treatment facility problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a safe discharge device suitable for hydrogen sulfide treatment comprises a bottom plate, wherein a supporting plate is arranged at the top of one end of the bottom plate, first support columns perpendicular to the supporting plate are arranged at four corners of the bottom surface of the supporting plate, one end of each first support column is connected with the supporting plate, the other end of each first support column is connected with the bottom plate, a washing box body is fixedly installed at the horizontal center of the top surface of the supporting plate, a first fixing groove is formed in the top of one side of the washing box body, a lower gas collecting cover is arranged at one side port of the first fixing groove and connected with the washing box body through bolts, and an air inlet main is connected to one side, away from the washing box body, of the lower gas collecting cover;

the middle part of the inner cavity of the washing box body is fixedly connected with a mounting seat, a filler storage box is connected inside the mounting seat, a spray pipe is arranged below the filler storage box and is respectively connected with two sides of the inner wall of the washing box body, a plurality of connecting branch pipes perpendicular to the spray pipe are arranged on the outer side of the spray pipe, one end of each connecting branch pipe is connected with the spray pipe, and the bottom of the other end of each connecting branch pipe is connected with a high-pressure spray head;

the second fixed slot has been seted up at the top of washing box one side, the gas collecting cover is gone up to second fixed slot side port department, washing box one side is equipped with filters the box, filter the equal fixedly connected with second pillar in bottom half four corners, the second pillar is kept away from the one end of filtering the box and is connected with the bottom plate, the one side that washing box was kept away from to last gas collecting cover is connected with the return bend that admits air, the return bend that admits air is kept away from the one end of last gas collecting cover and is connected with filtering the box air inlet, the return bend internally mounted that admits air has pipeline formula air exhauster, it is equipped with gaseous detector to filter the bottom half, gaseous detector's air inlet is connected with filtering the box gas outlet, gaseous detector's gas outlet is connected with first gas outlet pipe, the equal fixed connection solenoid valve of one end that gaseous detector was kept away from to first gas outlet pipe, second gas outlet pipe kept away from the one end of gaseous detector, the liquid outlet of solenoid valve is connected with the delivery pipe, and the one of first gas outlet pipe is kept away from the one end of first gas outlet pipe and is linked together with the outside, and another delivery pipe is kept away from the one end of second gas outlet pipe and is linked together with the gas inlet main inside.

Optionally, the washing box body top is equipped with rather than corresponding access cover, access cover bottom edge is equipped with a plurality of stud, the access cover is connected with the washing box body through stud.

Optionally, one side slope that the filter box was kept away from to the backup pad is equipped with the inclined ladder of ascending a height, the inclined ladder one end of ascending a height is connected with the bottom plate, the inclined ladder other end of ascending a height is connected with the backup pad.

Optionally, the inclined ladder of ascending a height below is equipped with the liquid reserve tank, liquid reserve tank fixed mounting is on the bottom plate, liquid reserve tank top fixed mounting has the drawing liquid pump, the inlet of drawing liquid pump is connected with the feed liquor pipe, the one end that the drawing liquid pump was kept away from to the feed liquor pipe is linked together with the liquid reserve tank is inside, the liquid outlet of drawing liquid pump is connected with the drain pipe, the one end that the drawing liquid pump was kept away from to the drain pipe runs through backup pad, washing box and the inside of shower pipe is linked together.

Optionally, it has sealed cabinet door to articulate in the filtration box outside, it is equipped with quadrilateral frame to filter the inside equidistant of being interrupted of box, quadrilateral frame is parallel with the bottom plate, the inside fixed mounting of quadrilateral frame has the active carbon filter plate, the equal fixed mounting in quadrilateral frame both sides has T type slider, filter box inner wall both sides and all seted up the T type spout corresponding with T type slider, T type slider is located inside T type spout.

Optionally, a spiral centrifugal solid-liquid separator is arranged below the supporting plate, the spiral centrifugal solid-liquid separator is fixedly mounted on the bottom plate, a drain pipe is arranged at the bottom of the washing box body, one end, far away from the washing box body, of the drain pipe is connected with a liquid inlet of the spiral centrifugal solid-liquid separator, and a control valve is mounted inside the drain pipe.

Compared with the prior art, the utility model discloses when using, through setting up to synthesize the safety emission equipment suitable for hydrogen sulfide is handled, during the use, through setting up first fixed slot, lower gas collecting cover, the outside air inlet main way that will transport hydrogen sulfide is linked together with washing box is inside, recycle drawing liquid pump, loop through the feed liquor pipe with the inside copper sulfate solution of liquid reserve tank, the drain pipe, the shower pipe extracts to connecting branch inside, again by connecting branch terminal high pressure nozzle blowout water smoke, water smoke and the gaseous fully contact mixture of hydrogen sulfide that gets into from first fixed slot, generate copper sulfide and trace sulphuric acid, and copper sulfide deposit is extremely difficult to water, be convenient for follow-up separation to collect, afterwards through setting up gas collecting cover, the return bend that admits air, gas after will purifying lets in inside the filtration box, filter the inside multilayer active carbon filter plate of box with remaining in the gas, material with the foul smell adsorbs, the gas detection appearance of bottom half simultaneously filters can detect gas after the secondary purification, the cooperation solenoid valve, the delivery pipe is in order to ensure gas quality, thereby realized the emission purification of vulcanization, the safety when having improved greatly, the destruction degree of air reduces the maximum, the environment is higher up to standard, the nature ground has reached.

Drawings

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

fig. 2 is a schematic rear view of the present invention;

FIG. 3 is a schematic view of the internal structure of the filtering box of the present invention;

fig. 4 is a schematic view of the internal structure of the washing tank of the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. washing the box body; 4. a first support; 5. a mounting seat; 6. a filler storage box; 7. a first fixing groove; 8. a lower gas collecting cover; 9. an air inlet main channel; 10. a shower pipe; 11. connecting branch pipes; 12. a high pressure spray head; 13. a liquid storage tank; 14. a liquid pump; 15. a liquid outlet pipe; 16. a liquid inlet pipe; 17. a second fixing groove; 18. an upper gas collecting cover; 19. an air inlet bent pipe; 20. a filter box body; 21. a second support; 22. a quadrangular frame; 23. an active carbon filter plate; 24. a T-shaped slider; 25. a T-shaped chute; 26. a gas detector; 27. sealing the cabinet door; 28. a first outlet duct; 29. a second outlet duct; 30. an electromagnetic valve; 31. a discharge pipe; 32. ascending an inclined ladder; 33. a spiral centrifugal solid-liquid separator; 34. a blow-off pipe; 35. and an access cover.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a safe discharge device suitable for hydrogen sulfide treatment comprises a bottom plate 1, wherein a supporting plate 2 is arranged at the top of one end of the bottom plate 1, four corners of the bottom surface of the supporting plate 2 are respectively provided with a first support 4 perpendicular to the supporting plate, one end of the first support 4 is connected with the supporting plate 2, the other end of the first support 4 is connected with the bottom plate 1, a washing box body 3 is fixedly arranged at the horizontal center of the top surface of the supporting plate 2, a first fixing groove 7 is arranged at the top of one side of the washing box body 3, a lower gas collecting cover 8 is arranged at the port of one side of the first fixing groove 7, the lower gas collecting cover 8 is connected with the washing box body 3 through a bolt, one side of the lower gas collecting cover 8, which is far away from the washing box body 3, is connected with a gas inlet main passage 9, and the first fixing groove 7 and the lower gas collecting cover 8 are arranged to communicate the external gas inlet main passage 9 for transporting hydrogen sulfide with the interior of the washing box body 3, so that subsequent gas washing work can be conveniently carried out;

the middle part of the inner cavity of the washing box body 3 is fixedly connected with a mounting seat 5, the inside of the mounting seat 5 is connected with a filler storage box 6, a spray pipe 10 is arranged below the filler storage box 6, the spray pipes 10 are respectively connected with two sides of the inner wall of the washing box body 3, the outer side of each spray pipe 10 is provided with a plurality of connecting branch pipes 11 perpendicular to the spray pipes, one end of each connecting branch pipe 11 is connected with the spray pipe 10, the bottom of the other end of each connecting branch pipe 11 is connected with a high-pressure spray head 12, a liquid pump 14 is arranged, copper sulfate solution in a liquid storage box 13 is sequentially pumped into the connecting branch pipes 11 through a liquid inlet pipe 16, a liquid outlet pipe 15 and the spray pipes 10, water mist is sprayed out through the high-pressure spray heads 12 at the tail ends of the connecting branch pipes 11, the water mist is fully contacted and mixed with hydrogen sulfide gas entering from the first fixing groove 7 to generate copper sulfide and micro sulfuric acid, and then the hydrogen sulfide gas is secondarily decomposed by matching with reaction fillers in the filler storage box 6, so that the hydrogen sulfide gas is efficiently purified;

a second fixing groove 17 is arranged at the top of one side of the washing box body 3, a gas collecting cover 18 is arranged at one side port of the second fixing groove 17, a filtering box body 20 is arranged at one side of the washing box body 3, four corners of the bottom of the filtering box body 20 are fixedly connected with second support columns 21, one end of each second support column 21, which is far away from the filtering box body 20, is connected with the bottom plate 1, one side of the upper gas collecting cover 18, which is far away from the washing box body 3, is connected with a gas inlet elbow 19, one end of the gas inlet elbow 19, which is far away from the upper gas collecting cover 18, is connected with a gas inlet of the filtering box body 20, a pipeline type exhaust fan is arranged in the gas inlet elbow 19, a gas detector 26 is arranged at the bottom of the filtering box body 20, a gas inlet of the gas detector 26 is connected with a gas outlet of the filtering box body 20, a gas outlet of the gas detector 26 is respectively connected with a first gas outlet pipeline 28 and a second gas outlet pipeline 29, one end of the first gas outlet pipeline 28, which is far away from the gas detector 26, and one end of the second gas outlet pipeline 29, which is far away from the gas detector 26, are both fixedly connected with an electromagnetic valve 30, the liquid outlet of the electromagnetic valve 30 is connected with a discharge pipe 31, one end of one discharge pipe 31 far away from the first gas outlet pipe 28 is communicated with the outside, one end of the other discharge pipe 31 far away from the second gas outlet pipe 29 is communicated with the inside of the gas inlet main pipe 9, purified gas is introduced into the filtering box body 20 through the arrangement of the upper gas collecting cover 18 and the gas inlet bent pipe 19, the residual substances with odor in the gas are adsorbed by the multi-layer activated carbon filter plates 23 in the filtering box body 20, the gas after secondary purification is detected by the gas detector 26 at the bottom of the filtering box body 20, when the gas quality reaches the standard, the electromagnetic valve 30 at one end of the first gas outlet pipe 28 is opened, the electromagnetic valve 30 at one end of the second gas outlet pipe 29 is closed, and the purified gas is discharged to the outside from the discharge pipe 31, otherwise, when the air quality does not reach the standard, the electromagnetic valve 30 at one end of the first air outlet pipeline 28 is closed, the electromagnetic valve 30 at one end of the second air outlet pipeline 29 is opened, and the air returns to the air inlet main pipeline 9 again and enters the washing box body 3 for re-purification until the air quality reaches the standard.

Further, 3 tops of washing box are equipped with rather than corresponding access cover 35, and access cover 35 bottom edge is equipped with a plurality of stud, and access cover 35 is connected with washing box 3 through stud, through setting up access cover 35, is convenient for maintain 3 inside maintenances of washing box, has improved the usability.

Further, one side slope that filter box 20 was kept away from to backup pad 2 is equipped with the inclined ladder 32 of ascending a height, and the inclined ladder 32 one end of ascending a height is connected with bottom plate 1, and the inclined ladder 32 other end of ascending a height is connected with backup pad 2, through setting up the inclined ladder 32 of ascending a height, and the staff of being convenient for ascends a support plate 2 and debugs and maintain washing box 3, has further improved the suitability.

Further say, it is equipped with liquid reserve tank 13 to ascend a height inclined ladder 32 below, liquid reserve tank 13 fixed mounting is on bottom plate 1, liquid reserve tank 13 top fixed mounting has drawing liquid pump 14, the inlet of drawing liquid pump 14 is connected with feed liquor pipe 16, the one end that drawing liquid pump 14 was kept away from to feed liquor pipe 16 is linked together with liquid reserve tank 13 is inside, the liquid outlet of drawing liquid pump 14 is connected with drain pipe 15, the one end that drawing liquid pump 14 was kept away from to drain pipe 15 runs through backup pad 2, washing box 3 is linked together with shower 10 is inside, utilize drawing liquid pump 14, it holds between fingers to spray pipe 10 subassemblies to carry the inside solution of liquid reserve tank 13 through the pipeline, rethread high pressure nozzle 12 blowout water smoke and hydrogen sulfide gas body high efficiency mixing.

Further, a sealing cabinet door 27 is hinged to the outer side of the filtering box body 20, quadrilateral frames 22 are arranged inside the filtering box body 20 at intervals, the quadrilateral frames 22 are parallel to the bottom plate 1, activated carbon filter plates 23 are fixedly mounted inside the quadrilateral frames 22, T-shaped sliders 24 are fixedly mounted on two sides of each quadrilateral frame 22, T-shaped chutes 25 corresponding to the T-shaped sliders 24 are formed in two sides of the inner wall of the filtering box body 20, the T-shaped sliders 24 are located inside the T-shaped chutes 25, and the activated carbon filter plates 23 are convenient to maintain, clean and replace through the T-shaped chutes 25 and the T-shaped sliders 24.

Further, a spiral centrifugal solid-liquid separator 33 is arranged below the supporting plate 2, the spiral centrifugal solid-liquid separator 33 is fixedly installed on the bottom plate 1, a drain pipe 34 is arranged at the bottom of the washing box body 3, one end, far away from the washing box body 3, of the drain pipe 34 is connected with a liquid inlet of the spiral centrifugal solid-liquid separator 33, a control valve is installed inside the drain pipe 34, after a copper sulfate solution reacts with a hydrogen sulfide gas, copper sulfide and a trace amount of sulfuric acid with the chemical formula of CuSO4+ H2S = CuS ↓blackprecipitate + H2SO4 are formed, and the copper sulfide precipitate is separated from the sulfuric acid solution by the spiral centrifugal solid-liquid separator 33, SO that subsequent reuse and processing are facilitated.

In summary, when the safe discharge device suitable for hydrogen sulfide treatment is used, a worker uses the first fixing groove 7 and the lower gas collecting cover 8 to communicate the external gas inlet main pipe 9 for transporting hydrogen sulfide with the inside of the washing box body 3, a liquid pump 14 is arranged to pump copper sulfate solution in the liquid storage box 13 to the inside of the connecting branch pipe 11 sequentially through the liquid inlet pipe 16, the liquid outlet pipe 15 and the spraying pipe 10, then water mist is sprayed out through the high-pressure spray head 12 at the tail end of the connecting branch pipe 11, the water mist is fully contacted and mixed with hydrogen sulfide gas entering from the first fixing groove 7 to generate copper sulfide and micro sulfuric acid, copper sulfide precipitate is extremely insoluble in water, subsequent separation and collection are facilitated, then purified gas is introduced into the inside of the filtering box body 20 through the upper gas collecting cover 18 and the gas inlet elbow pipe 19, the multilayer activated carbon filter plates 23 in the filtering box body 20 adsorb substances with odor in the gas, then a gas detector 26 at the bottom of the filtering box body 20 is used to detect the gas after secondary purification, when the gas quality reaches the standard, the first end 30 of the first gas inlet pipe 28 is opened, the second gas inlet main pipe 30 is closed, and the second gas inlet electromagnetic valve 30 is closed again, otherwise, the second gas outlet main pipe 30 is closed, the second gas inlet electromagnetic valve 30 in the second gas outlet main pipe 30, and the second gas outlet main pipe 30 is closed, and the second electromagnetic valve 30 is closed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. 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 the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A safety vent apparatus adapted for hydrogen sulfide disposal, comprising a base plate (1), characterized in that: the washing machine is characterized in that a supporting plate (2) is arranged at the top of one end of the bottom plate (1), first supporting columns (4) perpendicular to the supporting plate are arranged at four corners of the bottom surface of the supporting plate (2), one end of each first supporting column (4) is connected with the supporting plate (2), the other end of each first supporting column (4) is connected with the bottom plate (1), a washing box body (3) is fixedly installed at the horizontal center of the top surface of the supporting plate (2), a first fixing groove (7) is formed in the top of one side of the washing box body (3), a lower gas collecting cover (8) is arranged at one side port of the first fixing groove (7), the lower gas collecting cover (8) is connected with the washing box body (3) through bolts, and one side, far away from the washing box body (3), of the lower gas collecting cover (8) is connected with a gas inlet main (9);

the middle part of the inner cavity of the washing box body (3) is fixedly connected with a mounting seat (5), a filler storage box (6) is connected inside the mounting seat (5), a spray pipe (10) is arranged below the filler storage box (6), the spray pipe (10) is respectively connected with two sides of the inner wall of the washing box body (3), a plurality of connecting branch pipes (11) vertical to the spray pipe (10) are arranged outside the spray pipe (10), one end of each connecting branch pipe (11) is connected with the spray pipe (10), and the bottom of the other end of each connecting branch pipe (11) is connected with a high-pressure spray head (12);

second fixed slot (17) have been seted up at the top of washing box (3) one side, gas collecting cover (18) are gone up to second fixed slot (17) one side port department, washing box (3) one side is equipped with filters box (20), the equal fixedly connected with second pillar (21) in filter box (20) bottom four corners, the one end of filter box (20) is kept away from in second pillar (21) is connected with bottom plate (1), the one side of going up gas collecting cover (18) and keeping away from washing box (3) is connected with return bend (19) that admits air, the one end that last gas collecting cover (18) was kept away from in return bend (19) that admits air is connected with filter box (20) air inlet, return bend (19) internally mounted that admits air has pipeline formula air exhauster, it is equipped with gaseous detector (26) to filter box (20) bottom, the air inlet of gaseous detector (26) is connected with the gas outlet of filtering box (20), the gas outlet of gaseous detector (26) is connected with first gas outlet pipeline (28), second gas outlet pipeline (29) respectively, the one end of gaseous detector (26) is kept away from gas outlet pipeline (26), the one end of first gas outlet pipeline (30) is connected with solenoid valve (30) that the solenoid valve (30) is kept away from gaseous detector (26) is connected with, one end of one discharge pipe (31) far away from the first outlet pipeline (28) is communicated with the outside, and the other end of the other discharge pipe (31) far away from the second outlet pipeline (29) is communicated with the inside of the air inlet main channel (9).

2. A safety vent apparatus adapted for hydrogen sulfide disposal as recited in claim 1, wherein: washing box body (3) top is equipped with rather than corresponding access cover (35), access cover (35) bottom edge is equipped with a plurality of stud, access cover (35) are connected with washing box body (3) through stud.

3. A safety vent apparatus adapted for hydrogen sulfide disposal in accordance with claim 1, wherein: one side slope that filter box (20) was kept away from in backup pad (2) is equipped with ascending a height inclined ladder (32), ascending a height inclined ladder (32) one end is connected with bottom plate (1), ascending a height inclined ladder (32) other end is connected with backup pad (2).

4. A safety vent apparatus adapted for hydrogen sulfide disposal according to claim 3, wherein: ascending inclined ladder (32) below is equipped with liquid reserve tank (13), liquid reserve tank (13) fixed mounting is on bottom plate (1), liquid reserve tank (13) top fixed mounting has drawing liquid pump (14), the inlet of drawing liquid pump (14) is connected with feed liquor pipe (16), the one end that drawing liquid pump (14) were kept away from in feed liquor pipe (16) is linked together with liquid reserve tank (13) are inside, the liquid outlet of drawing liquid pump (14) is connected with drain pipe (15), the one end that drawing liquid pump (14) were kept away from in drain pipe (15) runs through backup pad (2), washing box (3) and spray pipe (10) inside and is linked together.

5. A safety vent apparatus adapted for hydrogen sulfide disposal as recited in claim 1, wherein: it has sealed cabinet door (27) to articulate in filtering box (20) outside, it is equipped with quadrilateral frame (22) to filter box (20) inside equidistant being interrupted, quadrilateral frame (22) are parallel with bottom plate (1), the inside fixed mounting of quadrilateral frame (22) has activated carbon filter plate (23), the equal fixed mounting in quadrilateral frame (22) both sides has T type slider (24), filter box (20) inner wall both sides and all seted up T type spout (25) corresponding with T type slider (24), T type slider (24) are located inside T type spout (25).

6. A safety vent apparatus adapted for hydrogen sulfide disposal in accordance with claim 1, wherein: backup pad (2) below is equipped with spiral centrifugal solid-liquid separation machine (33), spiral centrifugal solid-liquid separation machine (33) fixed mounting is on bottom plate (1), washing box (3) bottom is equipped with blow off pipe (34), the one end that washing box (3) were kept away from in blow off pipe (34) is connected with spiral centrifugal solid-liquid separation machine (33) inlet, blow off pipe (34) internally mounted has the control valve.

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