A packaging device for producing aminosulfonic acid

Abstract

The invention relates to the technical field of aminosulfonic acid packaging, and in particular to an aminosulfonic acid packaging device for production, comprising a main body plate, wherein a grinding mechanism for grinding aminosulfonic acid particles is arranged at the upper end of the main body plate, the grinding mechanism comprises a first placement groove opened at the upper end of the main body plate, two symmetrically arranged fixing rods are rotatably arranged on the side of the main body plate in the first placement groove, and grinding rollers are fixedly connected to the sides of the two fixing rods respectively, and an injection mechanism for drying and filtering aminosulfonic acid particles is arranged in the first placement groove, and the injection mechanism comprises a first screening plate, and one end of the first screening plate is rotatably arranged with the inner side surface of the main body plate; a controller can control a one-way control valve located at the lower half of the grinding roller to start, so that the heated and dried gas is discharged through the one-way control valve at the lower half, and the aminosulfonic acid particles are dehumidified, and at the same time, the ejected gas can blow off the aminosulfonic acid attached to the side of the grinding roller during grinding to prevent adhesion.

Description

Technical Field

[0001] The invention relates to the technical field of aminosulfonic acid packaging, in particular to a packaging device for aminosulfonic acid production. Background Art

[0002] Aminosulfonic acid is an important chemical raw material, mainly used to manufacture chemicals used in the textile, dye, pesticide and other industries. In the production process, the packaging of aminosulfonic acid is a key step, which involves the safety, quality and efficiency of the product. Since the surface of aminosulfonic acid crystals will adhere to water after precipitation, the liquid on the surface of aminosulfonic acid particles needs to be dried before packaging, and then the dried aminosulfonic acid particles are ground into a suitable size through a grinding device, and then packaged according to the size and weight of the particles.

[0003] In the prior art, when the aminosulfonic acid particles are ground, the surface of the aminosulfonic acid easily absorbs moisture in the air, which affects the purity of the aminosulfonic acid. After the aminosulfonic acid is ground, the ground aminosulfonic acid particles need to be classified and packed according to size and weight. When the aminosulfonic acid particles are packaged in the prior art, the particles are generally classified by screening, which can screen out larger impurities, but cannot screen out some fine impurities such as dust, resulting in lower quality of the aminosulfonic acid particles after packaging. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a subpackaging device for aminosulfonic acid production.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: a filling device for aminosulfonic acid production, comprising a main body plate, a grinding mechanism for grinding aminosulfonic acid particles is arranged at the upper end of the main body plate, the grinding mechanism comprises a first placement groove opened at the upper end of the main body plate, two symmetrically arranged fixed rods are rotatably arranged on the side of the main body plate in the first placement groove, and the sides of the two fixed rods are respectively fixedly connected with grinding rollers, and a jet mechanism for drying and filtering aminosulfonic acid particles is arranged in the first placement groove, and the jet mechanism comprises a first screening plate, one end of the first screening plate is rotatably arranged with the inner side surface of the main body plate, and the first screening plate is provided with a first empty groove on the side away from the rotating end, and a filling mechanism for filling aminosulfonic acid particles is arranged in the lower end of the main body plate, hydraulic telescopic rods are symmetrically arranged on the side of the main body plate, and the telescopic ends of the two hydraulic telescopic rods are fixedly connected with a base, and a heating and drying air pump is fixedly connected to the side of the main body plate, and the air outlet end of the heating and drying air pump is fixedly connected to the gas main pipe.

[0006] Preferably, the two fixing rods are hollow structures, air holes are opened on the sides of the two fixing rods, first through holes are opened through the end faces of the two grinding rollers, fifth cavities are opened inside the two grinding rollers respectively, second through holes corresponding to the air holes are opened on the sides of the two grinding rollers, and the two second through holes are communicated with the fifth cavity.

[0007] Preferably, a plurality of mounting holes communicating with the fifth cavity are respectively formed on the sides of the two grinding rollers, and a one-way control valve which is switched on and off by a controller is fixedly connected to each of the plurality of mounting holes.

[0008] Preferably, fourth cavities are respectively opened on the side of the main body plate at positions close to the two fixing rods, third through holes are respectively opened on the sides of the two fixing rods in the fourth cavities, a third cavity is opened on the side of the main body plate between the two fourth cavities, a first gas supply branch pipe communicating with the third cavity is provided on the side of the main body plate, and an end of the first gas supply branch pipe is connected to the jet mechanism.

[0009] Preferably, a second slot is provided on the side of the main body plate at a position close to the fixing rod, and two transmission wheels fixedly connected to the end of the fixing rod are arranged in the second slot. Two second motors are fixedly connected to the side of the main body plate, and the transmission shaft ends of the two second motors are respectively fixedly connected to a transmission wheel.

[0010] Preferably, an electric telescopic rod is fixedly connected in the first empty slot, the telescopic end of the electric telescopic rod is fixedly connected to a pressure sensor, the end of the pressure sensor is fixedly connected to a second screening plate that slides with the first empty slot, the side of the main plate is fixedly connected to the first motor at a position below the first screening plate, the transmission shaft end of the first motor is fixedly connected to an ellipsoid, the side of the ellipsoid is in contact with the lower end of the first screening plate, and the main plate is symmetrically provided with inclined plates in the first placement slot.

[0011] Preferably, a first cavity is symmetrically opened in the two inclined plates, a plurality of one-way valves communicating with the first cavity are arranged on the sides of the two inclined plates, a second cavity communicating with the two first cavities is opened on the side of the main plate, a second gas branch pipe is arranged in the second cavity, an end of the second gas branch pipe is connected to the gas main pipe, and a discharge port is opened on the main plate below the first placement groove.

[0012] Preferably, the packaging mechanism includes a second placement groove opened at the lower end of the main body plate, and two partitions are fixedly connected to the side of the main body plate in the second placement groove. The areas between the two partitions and the side of the main body plate are respectively provided with movable baffles, and the area between the two partitions is provided with an adapter, and the other end of the adapter is connected to the containing bag.

[0013] Preferably, a third gas branch pipe is arranged on the side of the main body plate, a gas outlet groove communicating with the third gas branch pipe is opened on the inner side of the main body plate, the other end of the third gas branch pipe is connected to the gas main pipe, and the third gas branch pipe is arranged in a horizontal direction.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. Two second motors drive two transmission wheels to rotate respectively, and the two second motors rotate in opposite directions. At this time, the two grinding rollers rotate in opposite directions driven by the transmission wheels. When the aminosulfonic acid particles fall on the two grinding rollers, the rotating grinding rollers can grind the aminosulfonic acid particles. While grinding, the heating and drying air pump is started. The heating and drying air pump discharges the heated and dried gas into the first gas transmission branch pipe through the gas transmission main pipe. Then, the first gas transmission branch pipe discharges the heated and dried gas into the grinding roller through the third cavity and the fourth cavity. A plurality of mounting holes are opened on the side of the grinding roller. A one-way control valve controlled by a controller is fixedly connected to each mounting hole. The controller can control the one-way control valve located in the lower half of the grinding roller to start, so that the heated and dried gas is discharged through the one-way control valve in the lower half. The aminosulfonic acid particles are dehumidified during the grinding process. At the same time, the ejected gas can blow off the aminosulfonic acid attached to the side of the grinding roller during grinding to prevent adhesion.

[0016] 2. The first motor starts, and the first motor drives the ellipsoid to rotate. When the ellipsoid rotates, it drives the first screening plate to rotate repeatedly. While rotating, the electric telescopic rod is extended and retracted through the pressure sensor to ensure that the end of the second screening plate is always in contact with the inner side of the main plate to prevent the particles stuck together during grinding from falling off. Then, when the first screening plate and the second screening plate are shaken, the particles stuck together during grinding are shaken off, and then fall through the first screening plate and the second screening plate. During the shaking process, the heating and drying air pump moves the heated and dried gas to the second cavity through the gas main pipe, and then discharges it from several one-way valves through the first cavity, so that drying can be achieved during the shaking process, thereby completely removing moisture. Discharge, improve the drying stability of the device, and then the dried and scattered particles fall onto the slope below the first placement tank, and then the particles fall through the discharge port. At this time, the heated drying air pump discharges the gas into the gas outlet tank through the gas main pipe, thereby applying a horizontal force to the falling particles, so that the particles make a parabolic fall in the process of falling according to their own shape and weight, so that the particles with appropriate particle size fall to the position between the two partitions, and then are collected through the converter. The larger and smaller particles fall to the area on the side of the partition and the main plate for collection, and are cleaned after packaging. This can ensure that the particles do not come into contact with moisture in the air during the process of particles, thereby improving the quality of aminosulfonic acid particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 The present invention is a sectional view of the whole Figure 1 ;

[0019] Figure 3 Partial cross-section of the present invention Figure 1 ;

[0020] Figure 4 The present invention is a sectional view of the whole Figure 2 ;

[0021] Figure 5 It is a partial structural schematic diagram of the present invention;

[0022] Figure 6 Partial cross-section of the present invention Figure 2 ;

[0023] Figure 7 For the present invention Figure 2 A magnified image of point A;

[0024] Figure 8 For the present invention Figure 2 The enlarged view of point B;

[0025] Fig. 9 For the present invention Figure 2 Enlarged view of point C;

[0026] Fig.10 For the present invention Figure 4 Enlarged view of point D.

[0027] 1. Main plate; 2. Jet mechanism; 3. Grinding mechanism; 4. Packing mechanism; 5. Hydraulic telescopic rod; 6. Base; 7. Heating and drying air pump; 21. Gas main pipe; 22. First screening plate; 23. First slot; 24. Second screening plate; 25. Ellipse; 26. Inclined plate; 27. One-way valve; 28. First cavity; 29. ​​Second cavity; 210. Third cavity; 211. First gas branch pipe; 212. Second gas branch pipe; 213. Fourth cavity; 21 4. First motor; 215. Electric telescopic rod; 216. Discharge port; 31. First placement slot; 32. Fixed rod; 33. Grinding roller; 34. First through hole; 35. One-way control valve; 36. Mounting hole; 37. Fifth cavity; 38. Second through hole; 39. Second motor; 310. Second slot; 311. Drive wheel; 313. Third through hole; 41. Second placement slot; 42. Third gas distribution pipe; 43. Partition; 44. Movable baffle; 45. Gas outlet slot. DETAILED DESCRIPTION

[0028] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0029] See also Figure 1-Figure 10 A packaging device for aminosulfonic acid production includes a main plate 1, and a grinding mechanism 3 for grinding aminosulfonic acid particles is arranged at the upper end of the main plate 1.

[0030] In this embodiment, the grinding mechanism 3 includes a first placement groove 31 opened at the upper end of the main plate 1, and two symmetrically arranged fixing rods 32 are rotatably arranged on the side of the main plate 1 in the first placement groove 31. The sides of the two fixing rods 32 are respectively fixedly connected with grinding rollers 33, and the lower end of the first placement groove 31 is a slope structure.

[0031] The two fixing rods 32 are hollow structures, and air holes are opened on the sides of the two fixing rods 32. The end faces of the two grinding rollers 33 are penetrated by first through holes 34. The interiors of the two grinding rollers 33 are respectively opened with fifth cavities 37. The sides of the two grinding rollers 33 are opened with second through holes 38 corresponding to the air holes, and the two second through holes 38 are communicated with the fifth cavity 37.

[0032] A plurality of mounting holes 36 communicating with the fifth cavity 37 are respectively formed on the side surfaces of the two grinding rollers 33 , and a one-way control valve 35 which is switched on and off by a controller is fixedly connected to each of the mounting holes 36 .

[0033] The side surfaces of the main body plate 1 are respectively provided with fourth cavities 213 at positions close to the two fixing rods 32, and the side surfaces of the two fixing rods 32 are respectively provided with third through holes 313 in the fourth cavities 213, and the side surfaces of the main body plate 1 are respectively provided with a third cavity 210 communicating between the two fourth cavities 213, and the side surfaces of the main body plate 1 are provided with a first gas supply branch pipe 211 communicating with the third cavity 210, and an end portion of the first gas supply branch pipe 211 is connected to the jet mechanism 2.

[0034] A second slot 310 is provided on the side of the main plate 1 near the fixing rod 32, and two transmission wheels 311 fixedly connected to the ends of the fixing rod 32 are arranged in the second slot 310. Two second motors 39 are fixedly connected to the side of the main plate 1, and the transmission shaft ends of the two second motors 39 are respectively fixedly connected to a transmission wheel 311.

[0035] Specifically, the two second motors 39 respectively drive the two transmission wheels 311 to rotate, and the two second motors 39 rotate in opposite directions. At this time, the two grinding rollers 33 rotate in opposite directions driven by the transmission wheels 311. When the aminosulfonic acid particles fall onto the two grinding rollers 33, the rotating grinding rollers 33 can grind the aminosulfonic acid particles.

[0036] In this embodiment, a jet mechanism 2 for drying and filtering aminosulfonic acid particles is arranged in the first placement groove 31, and the jet mechanism 2 includes a first screen plate 22, one end of the first screen plate 22 is rotatably arranged with the inner side surface of the main plate 1, and the first screen plate 22 is provided with a first empty groove 23 on the side away from the rotating end.

[0037] An electric telescopic rod 215 is fixedly connected in the first empty slot 23, and a pressure sensor is fixedly connected to the telescopic end of the electric telescopic rod 215, and the end of the pressure sensor is fixedly connected to a second screening plate 24 that slides with the first empty slot 23. A first motor 214 is fixedly connected to the side of the main body plate 1 at a position below the first screening plate 22, and an ellipsoid 25 is fixedly connected to the transmission shaft end of the first motor 214. The side of the ellipsoid 25 contacts the lower end of the first screening plate 22, and the main body plate 1 is symmetrically provided with inclined plates 26 in the first placement groove 31.

[0038] A first cavity 28 is symmetrically provided in the two inclined plates 26, and a plurality of one-way valves 27 communicating with the first cavity 28 are arranged on the sides of the two inclined plates 26. A second cavity 29 communicating with the two first cavities 28 is provided on the side of the main body plate 1, and a second gas branch pipe 212 is provided in the second cavity 29, and an end of the second gas branch pipe 212 is communicated with the gas main pipe 21. A discharge port 216 is provided on the main body plate 1 below the first placement groove 31.

[0039] Specifically, the first motor 214 is started, and the first motor 214 drives the ellipsoid 25 to rotate. When the ellipsoid 25 rotates, it drives the first screening plate 22 to rotate repeatedly. While rotating, the electric telescopic rod 215 is extended and retracted through the pressure sensor to ensure that the end of the second screening plate 24 is always in contact with the inner side of the main plate 1 to prevent the particles stuck together during grinding from falling off. Afterwards, when the first screening plate 22 and the second screening plate 24 are shaken, the particles stuck together during grinding are shaken off.

[0040] In this embodiment, a packaging mechanism 4 for packaging aminosulfonic acid particles is provided at the lower end of the main body plate 1, and hydraulic telescopic rods 5 are symmetrically provided on the side of the main body plate 1. The telescopic ends of the two hydraulic telescopic rods 5 are fixedly connected to the base 6, and a heating and drying air pump 7 is fixedly connected to the side of the main body plate 1, and the air outlet end of the heating and drying air pump 7 is fixedly connected to the gas main pipe 21.

[0041] The packaging mechanism 4 includes a second placement groove 41 opened at the lower end of the main plate 1, and two partitions 43 are fixedly connected to the side of the main plate 1 in the second placement groove 41. The areas between the two partitions 43 and the side of the main plate 1 are respectively provided with movable baffles 44, and the area between the two partitions 43 is provided with an adapter, and the other end of the adapter is connected to the containing bag.

[0042] A third gas branch pipe 42 is provided on the side of the main plate 1, and a gas outlet groove 45 communicating with the third gas branch pipe 42 is opened on the inner side of the main plate 1. The other end of the third gas branch pipe 42 is connected to the gas main pipe 21, and the third gas branch pipe 42 is arranged in a horizontal direction.

[0043] Specifically, the heating and drying air pump 7 discharges the gas into the gas outlet groove 45 through the gas main pipe 21, thereby applying a horizontal force to the falling particles, so that the particles make a parabola fall during the falling process due to their own shape and weight, so that particles with appropriate particle size fall to the position between the two partitions 43.

[0044] When in use, the main body plate 1 is fixed by the base 6, and then the two second motors 39 are started. The two second motors 39 respectively drive the two transmission wheels 311 to rotate, and the two second motors 39 rotate in opposite directions. At this time, the two grinding rollers 33 rotate in opposite directions under the drive of the transmission wheels 311. When the aminosulfonic acid particles fall on the two grinding rollers 33, the rotating grinding rollers 33 can grind the aminosulfonic acid particles. While grinding, the heating and drying air pump 7 is started, and the heating and drying air pump 7 discharges the heated and dried gas into the first gas delivery branch pipe 211 through the gas delivery main pipe 21. Then the first gas delivery branch pipe 211 The heated and dried gas is discharged into the grinding roller 33 through the third cavity 210 and the fourth cavity 213. A plurality of mounting holes 36 are provided on the side of the grinding roller 33. A one-way control valve 35 controlled by a controller is fixedly connected to each mounting hole 36. The controller can control the one-way control valve 35 located in the lower half of the grinding roller 33 to start, so that the heated and dried gas is discharged through the one-way control valve 35 in the lower half, and the aminosulfonic acid particles are dehumidified during the grinding process. At the same time, the ejected gas can blow off the aminosulfonic acid attached to the side of the grinding roller 33 during grinding to prevent adhesion and improve the grinding efficiency.

[0045] When the ground aminosulfonic acid particles fall onto the first screening plate 22 and the second screening plate 24, the first motor 214 is started, and the first motor 214 drives the ellipsoid 25 to rotate. When the ellipsoid 25 rotates, it drives the first screening plate 22 to rotate repeatedly. While rotating, the electric telescopic rod 215 is extended and retracted through the pressure sensor to ensure that the end of the second screening plate 24 is always in contact with the inner side of the main plate 1 to prevent the particles stuck together during grinding from falling off. Afterwards, when the first screening plate 22 and the second screening plate 24 are shaken, the particles stuck together during grinding are shaken off, and then fall through the first screening plate 22 and the second screening plate 24. During the shaking process, the heating and drying air pump 7 moves the heated and dried gas to the second cavity 29 through the gas main pipe 21, and then it is discharged from the plurality of one-way valves 27 through the first cavity 28, so that drying can be achieved during the shaking process. Drying is carried out to completely discharge the moisture and improve the drying stability of the device. Then the dried and scattered particles fall onto the inclined plane below the first placement groove 31, and then the particles fall through the discharge port 216. At this time, the heating and drying air pump 7 discharges the gas into the gas outlet groove 45 through the gas main pipe 21, thereby applying a horizontal force to the falling particles, so that the particles make a parabolic fall according to their own shape and weight during the falling process, so that the particles with appropriate particle size fall to the position between the two partitions 43, and then are collected through the converter. The larger and smaller particles fall to the area on the side of the partition 43 and the main plate 1 for collection, and are cleaned after packaging. This can ensure that the particles do not come into contact with moisture in the air during the packaging process, thereby improving the quality of the aminosulfonic acid particles, and can accurately classify and collect the particles according to their shape and weight, thereby improving the accuracy of packaging.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A packaging device for aminosulfonic acid production, comprising a main body plate (1), characterized in that: The upper end of the main plate (1) is provided with a grinding mechanism (3) for grinding aminosulfonic acid particles. The grinding mechanism (3) comprises a first placement groove (31) provided at the upper end of the main plate (1). Two symmetrically arranged fixing rods (32) are rotatably provided on the side of the main plate (1) in the first placement groove (31). The sides of the two fixing rods (32) are respectively fixedly connected with grinding rollers (33). The first placement groove (31) is provided with an air jet mechanism (2) for drying and filtering aminosulfonic acid particles. The air jet mechanism (2) comprises a first screening plate (22). One end of the first screening plate (22) is rotatably provided with the inner side surface of the main plate (1). The first screening plate (22) is provided with a side surface away from the rotating end. The first empty slot (23) is provided with a packaging mechanism (4) for packaging aminosulfonic acid particles in the lower end of the main body plate (1), a hydraulic telescopic rod (5) is symmetrically provided on the side of the main body plate (1), and the telescopic ends of the two hydraulic telescopic rods (5) are fixedly connected to a base (6), a heating and drying air pump (7) is fixedly connected to the side of the main body plate (1), and the air outlet end of the heating and drying air pump (7) is fixedly connected to the gas main pipe (21), the two fixed rods (32) are hollow structures, and the sides of the two fixed rods (32) are provided with air holes, the end surfaces of the two grinding rollers (33) are penetrated by a first through hole (34), and the insides of the two grinding rollers (33) are respectively provided with a fifth cavity (37), and the two The grinding roller (33) is provided with a second through hole (38) corresponding to the position of the air hole on the side surface, and the two second through holes (38) are communicated with the fifth cavity (37). The side surface of the main body plate (1) is provided with fourth cavities (213) at positions close to the two fixing rods (32), and the sides of the two fixing rods (32) are provided with third through holes (313) in the fourth cavities (213). The side surface of the main body plate (1) is provided with a third cavity (210) between the two fourth cavities (213). The side surface of the main body plate (1) is provided with a first gas supply branch pipe (211) communicated with the third cavity (210), and the end of the first gas supply branch pipe (211) is connected to the jet mechanism (2). An electric telescopic rod (215) is fixedly connected in the first slot (23); a pressure sensor is fixedly connected to the telescopic end of the electric telescopic rod (215); a second screening plate (24) slidably matched with the first slot (23) is fixedly connected to the end of the pressure sensor; a first motor (214) is fixedly connected to the side of the main body plate (1) at a position below the first screening plate (22); an ellipsoid (25) is fixedly connected to the transmission shaft end of the first motor (214); a side of the ellipsoid (25) contacts the lower end of the first screening plate (22); inclined plates (26) are symmetrically arranged in the first placement slot (31) of the main body plate (1); first cavities (28) are symmetrically opened in the two inclined plates (26);A plurality of one-way valves (27) communicating with the first cavity (28) are arranged on the side of the two inclined plates (26); a second cavity (29) communicating with the two first cavities (28) is provided on the side of the main body plate (1); a second gas transmission branch pipe (212) is provided in the second cavity (29); an end of the second gas transmission branch pipe (212) is communicated with the gas transmission main pipe (21); and a discharge port (216) is provided below the first placement groove (31) on the main body plate (1).

2. A packaging device for the production of sulfamic acid according to claim 1, characterized in that: A plurality of mounting holes (36) communicating with the fifth cavity (37) are respectively formed on the side surfaces of the two grinding rollers (33), and a one-way control valve (35) which is switched on and off by a controller is fixedly connected to each of the plurality of mounting holes (36).

3. A packaging device for the production of sulfamic acid according to claim 1, characterized in that: A second slot (310) is provided on the side of the main body plate (1) at a position close to the fixing rod (32), and two transmission wheels (311) fixedly connected to the ends of the fixing rod (32) are arranged in the second slot (310). Two second motors (39) are fixedly connected to the side of the main body plate (1), and the transmission shaft ends of the two second motors (39) are respectively fixedly connected to one transmission wheel (311).

4. A packaging device for the production of sulfamic acid according to claim 1, characterized in that: The subpackaging mechanism (4) comprises a second placement groove (41) provided at the lower end of the main body plate (1); two partitions (43) are fixedly connected to the side of the main body plate (1) in the second placement groove (41); movable baffles (44) are respectively provided in the area between the two partitions (43) and the side of the main body plate (1); an adapter is provided in the area between the two partitions (43); the other end of the adapter is connected to the containing bag.

5. A packaging device for the production of sulfamic acid according to claim 4, characterized in that: A third gas delivery branch pipe (42) is arranged on the side of the main body plate (1), and a gas outlet groove (45) communicating with the third gas delivery branch pipe (42) is provided on the inner side of the main body plate (1). The other end of the third gas delivery branch pipe (42) is communicated with the main gas delivery pipe (21), and the third gas delivery branch pipe (42) is arranged in a horizontal direction.

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