Distillator

Abstract

The utility model relates to the technical field of hydrolat essential oil extraction, in particular to a distiller which comprises a steam generator, a distillation pot, a distillation copper head, a first condenser, a second condenser, a supporting pipe, a collecting tank and an oil-water separator. A first tube nest is fixedly connected to the interior of the first barrel, a spiral baffle plate is fixedly connected to the peripheral surface of the first tube nest, a second tube nest is fixedly inserted into the spiral baffle plate in a penetrating manner, and a plurality of first grooves are formed in the peripheral surface of the second tube nest. The spiral baffle plate is arranged, so that the effect of supporting the second tube nest can be achieved, the flowing path of gasified gas can be changed, the retention time of the gasified gas in the first barrel body can be prolonged, the heat exchange efficiency is relatively high, and meanwhile through the cooperation of the round holes in the spiral baffle plate and the first grooves of the second tube nest, the heat exchange efficiency is relatively high. Liquid on the spiral baffle plate can directly penetrate through the round holes to be directly discharged, and the liquid outlet effect is relatively good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a distiller in the hydrolat essential oil extraction technical field, concretely relates to a distiller. BACKGROUND

[0002] Essential oil is widely used in food, daily use chemical, tobacco, medicine and other industries, and is closely related to people's daily life, the existing essential oil extraction method has solvent extraction method, solid fat adsorption method, steam distillation method, supercritical extraction method etc., wherein, the cost of the plant essential oil obtained by distillation method is lowest, and the equipment purchase cost is also lower, therefore, is widely applied.

[0003] The existing distillation equipment needs to cool the gasified gas through the condenser, but in the existing condenser, the residence time of the gasified gas in the condenser is relatively short, thereby affecting the heat exchange efficiency of the condenser, and the heat exchange efficiency is relatively low, if the baffle is set, although the path of the gasified gas in the condenser can be prolonged, the liquid of the gasified gas liquidization also needs to follow the path of the baffle to discharge, and the liquid discharge efficiency is relatively poor.

[0004] Therefore, the applicant has made in-depth research on the above problems, and the present case is produced. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of distillers, which can improve the heat exchange efficiency and liquid discharge efficiency.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model relates to a distiller, including steam generator, with the steam generator connection and intercommunication distillation kettle, with the distillation kettle connection and intercommunication and located the top of distillation copper head of distillation kettle, with the distillation copper head connection and intercommunication first condenser, with the first condenser connection and intercommunication second condenser, with the second condenser connection and intercommunication support pipe, set up the collecting tank below the support pipe and set up the oil water separator in the one side of collecting tank and with the support pipe connection and intercommunication, and the oil water separator with the collecting tank connection and intercommunication, its characterized in that, the first condenser is set up in the second condenser's top, the second condenser includes first cylinder, first end cover and second end cover, the first end cover and the second end cover are located the both ends of first cylinder, the first end cover and the second end cover communicate with the first cylinder respectively, the first cylinder is vertically arranged, the first end cover is located the second end cover's directly above, the first end cover communicates with the first condenser, the second end cover communicates with the support pipe, the lateral wall of first cylinder is provided with first cooling inlet and first cooling outlet, the inside fixed connection of first cylinder has with the first cylinder coaxial arrangement first row of pipes, the both ends of first row of pipes communicate with first cooling inlet and first cooling outlet respectively, the outer peripheral surface of first row of pipes is fixedly connected with spiral baffle, and the spiral baffle is fixedly connected with the inside wall of first cylinder, a plurality of second row of pipes are fixedly inserted on the spiral baffle and are arranged along the length direction of first cylinder, one end of each second row of pipes communicates with first cooling inlet, the other end of each second row of pipes communicates with first cooling outlet, the spiral baffle is provided with a round hole for one-to-one insertion of each second row of pipes, the outer peripheral surface of each second row of pipes is provided with a plurality of first grooves arranged along the axial direction thereof, and each first groove penetrates through both ends of the axial direction of the second row of pipes, and each first groove is distributed around the center line of the second row of pipes.

[0008] As an improvement of the utility model, the side of the distillation kettle is provided with a mounting hole, a manhole is arranged on the mounting hole, the manhole comprises a cover, a manhole seat and a cross beam fixed to the cover, a sealing gasket is arranged between the cover and the manhole seat, the manhole seat is integrally connected with a connecting rod, a gap is formed between the connecting rod and the cover, one end of the cross beam is rotatably connected to the end of the connecting rod away from the manhole seat through a first pin shaft, the other end of the cross beam is fixedly connected with a U-shaped block, the U-shaped block and the manhole seat are connected through a fixing assembly, the fixing assembly comprises a U-shaped seat fixedly connected to the manhole seat, a screw rod rotatably connected to the inner cavity of the U-shaped seat through a second pin shaft and a rotating cover screw-connected to the screw rod, the screw rod is arranged in the inner cavity of the U-shaped block, and the side of the rotating cover facing the U-shaped seat abuts against the side of the U-shaped block away from the cover.

[0009] As one improvement of the utility model, the gasket is movably sleeved on the screw rod, and a second groove with an inner diameter matching the diameter of the gasket is formed in the side of the U-shaped block away from the cover body.

[0010] As one improvement of the utility model, the first condenser comprises a second cylinder, a third head, a fourth head and an exhaust assembly, a plurality of third tubes are fixedly connected in the second cylinder, the third head and the fourth head are located at two ends of the second cylinder, the third head and the fourth head are in communication with the second cylinder, the third head is located directly above the first cylinder, the second cylinder is gradually inclined downward relative to the horizontal plane from one end connected with the third head to the corresponding other end, the fourth head is in communication with the top of the distillation copper head, a second cooling inlet and a second cooling outlet are arranged on the side wall of the second cylinder, one end of each third tube is in communication with the second cooling inlet, the other end of each third tube is in communication with the second cooling outlet, a first outlet is formed in the third head, a second outlet is also formed in the third head, the opening direction of the first outlet is arranged downward, the opening direction of the second outlet is arranged upward, the exhaust assembly comprises a Venturi tube and a connecting pipe, the Venturi tube is vertically arranged, the Venturi tube comprises an inlet cylinder segment, a conical contraction segment, a cylinder throat pipe segment and a conical diffusion segment arranged in sequence from top to bottom, the large end of the conical contraction segment is connected and communicated with the inlet cylinder segment, the small end of the conical contraction segment is connected and communicated with the cylinder throat pipe segment, one end of the inlet cylinder segment away from the conical contraction segment is connected and communicated with the first outlet, the small end of the conical diffusion segment is connected and communicated with the cylinder throat pipe segment, the large end of the conical diffusion segment is connected and communicated with the first head, one end of the connecting pipe is in communication with the second outlet, a communication hole is formed in the side wall of the cylinder throat pipe segment, the other end of the connecting pipe is in communication with the communication hole.

[0011] As one kind of improvements of the utility model, first cooling import is connected with first water inlet pipe, first cooling import is connected with first water outlet pipe, first cooling import is located at the position of the outer circumferential wall of first cylinder body near its upper end, first cooling import is located at the position of the outer circumferential wall of first cylinder body near its lower end, second cooling import is connected with second water inlet pipe, second cooling export is connected with second water outlet pipe, second cooling import and second cooling export are all located at the outer circumferential wall of second cylinder body, second cooling import is close to distillation copper head relative to second cooling export, and the horizontal position of second cooling import is higher than the horizontal position of second cooling export, first water inlet pipe, first water outlet pipe, second water inlet pipe and second water outlet pipe are fixedly connected through pipe clamp.

[0012] As one kind of improvements of the utility model, the bottom of distillation kettle and collection jar is provided with multiple support legs, the bottom of each support leg is provided with threaded hole, each threaded hole is threadedly connected with height adjusting mechanism, each height adjusting mechanism includes bottom plate and threaded column, in the same height adjusting mechanism, the bottom plate is horizontally arranged, the threaded column is vertically arranged, the threaded column is fixedly connected or integrally connected at the center position of bottom plate, the outer circumferential surface of threaded column is provided with multiple third grooves arranged along the axial direction, and each third groove penetrates the both ends of axial direction of threaded column, and each third groove is distributed around the axis of threaded column as center.

[0013] As one kind of improvements of the utility model, first guide plate is arranged relative to horizontal plane in the support pipe, the support pipe is connected and communicated with oil-water separator through conveying pipe, one end of conveying pipe is connected with one side of support pipe, the other end of conveying pipe is connected with the top of oil-water separator, the connecting position of conveying pipe and support pipe corresponds with the lowest position of first guide plate.

[0014] As one kind of improvements of the utility model, the top of oil-water separator is provided with essential oil chamber, one side of essential oil chamber is provided with essential oil pipe connected and communicated with essential oil chamber, essential oil pipe is gradually arranged downwardly from one end connected with essential oil chamber to the other end, and valve is arranged on essential oil pipe.

[0015] As an improvement of the utility model, the oil-water separator is internally provided with a second guide plate arranged obliquely relative to the horizontal plane, one side of the oil-water separator is communicated with a liquid discharge pipe, the connecting position of the liquid discharge pipe and the oil-water separator corresponds to the lowest position of the second guide plate, the top of the oil-water separator is provided with a first reflux pipe, the first reflux pipe has a vertical section and a horizontal section communicated with each other, the bottom of the vertical section is located in the oil-water separator, and the horizontal position of the bottom of the vertical section is higher than that of the liquid discharge pipe, the horizontal position of the horizontal section is higher than that of the connecting position of the refined oil pipe and the refined oil chamber, one end of the horizontal section not communicated with the vertical section is connected with a second reflux pipe and a third reflux pipe through a three-way valve respectively, one end of the second reflux pipe away from the three-way valve is connected with and communicated with the top of the collecting tank, and one end of the third reflux pipe away from the three-way valve is connected with and communicated with the top of the distillation kettle.

[0016] As an improvement of the utility model, the side wall of the distillation kettle is provided with a transparent observation window near the upper end thereof.

[0017] By adopting the technical scheme, the utility model has the following beneficial effects:

[0018] The utility model discloses a spiral baffle is arranged, not only can play the role of supporting the second column pipe, still can change the flow path of the gasification after gas, prolong the residence time of the gasification after gas in the first cylinder, and the heat exchange efficiency is relatively higher, and simultaneously through the cooperation of the round hole on the spiral baffle and the first recess of the second column pipe, the liquid on the spiral baffle can directly pass through the round hole and directly drain away, and the liquid outlet effect is relatively good. ACCURACY OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the distiller of the utility model;

[0020] Figure 2 It is a partial structural schematic view of the first condenser in the utility model;

[0021] Figure 3 It is a partial structural schematic view of the second column pipe in the utility model;

[0022] Figure 4 It is a structural schematic view of the manhole in the utility model;

[0023] Figure 5 It is a structural schematic view of the height adjusting mechanism in the utility model;

[0024] Figure 6 It is Figure 1 It is a partial enlarged view of part A in the utility model.

[0025] Corresponding indications in the drawing are as follows:

[0026] 10 - steam generator; 20 - distillation pot;

[0027] 21 - distillation copper head; 22 - first condenser;

[0028] 23 - second condenser; 24 - support tube;

[0029] 25 - collection tank; 26 - oil-water separator;

[0030] 27 - first cylinder; 28 - first tube bank;

[0031] 29 - helical baffle; 30 - second tube bank;

[0032] 31 - first recess; 32 - cover;

[0033] 33 - manhole seat; 34 - crossbeam;

[0034] 35 - U-shaped block; 36 - U-shaped seat;

[0035] 37 - second pin shaft; 38 - screw rod;

[0036] 39 - rotating cover; 40 - gasket;

[0037] 41 - second recess; 42 - second cylinder;

[0038] 43 - first outlet; 44 - second outlet;

[0039] 45 - Venturi tube; 46 - connecting tube;

[0040] 47 - first water inlet pipe; 48 - first water outlet pipe;

[0041] 49 - second water inlet pipe; 50 - second water outlet pipe;

[0042] 51 - pipe clamp; 52 - support leg;

[0043] 53 - bottom plate; 54 - threaded column;

[0044] 55 - third recess; 56 - first guide plate;

[0045] 57 - delivery pipe; 58 - essential oil chamber;

[0046] 59 - essential oil pipe; 60 - second guide plate;

[0047] 61 - liquid discharge pipe; 62 - first return pipe;

[0048] 63 - vertical section; 64 - horizontal section;

[0049] 65 - transparent observation window; 66 - first head;

[0050] 67 - third head; 68 - inlet cylindrical section;

[0051] 69 - conical converging section; 70 - cylindrical throat section;

[0052] 71 - conical diverging section. DETAILED DESCRIPTION

[0053] The utility model will be further described below in combination with the drawings and specific embodiments.

[0054] As Figures 1-6 shown, the embodiment provides a distiller, which comprises a steam generator 10, a distillation pot 20 connected and communicated with the steam generator 10, a distillation copper head 21 connected and communicated with the distillation pot 20 and located at the top of the distillation pot 20, a first condenser 22 connected and communicated with the distillation copper head 21, a second condenser 23 connected and communicated with the first condenser 22, a support pipe 24 connected and communicated with the second condenser 23, a collection tank 25 arranged below the support pipe 24, and an oil-water separator 26 arranged at one side of the collection tank 25 and connected and communicated with the support pipe 24, and the oil-water separator 26 is connected and communicated with the collection tank 25, the first condenser 22 is arranged above the second condenser 23, specifically, the steam generator 10 is connected and communicated with the distillation pot 20 through a steam connection pipe.

[0055] The second condenser 23 comprises a first cylinder 27, a first head 66 and a second head. It is to be explained that the first head 66 and the second head are both conventional distributors, the first head 66 and the second head are located at two ends of the first cylinder 27, the first head 66 and the second head are communicated with the first cylinder 27 respectively, the first cylinder 27 is vertically arranged, the first head 66 is located directly above the second head, the first head 66 is communicated with the first condenser 22, the second head is communicated with the support pipe 24, a side wall of the first cylinder 27 is provided with a first cooling inlet and a first cooling outlet, the first cylinder 27 is fixedly connected with a first tube bank 28 which is coaxially arranged with the first cylinder 27 in the inside of the first cylinder 27, two ends of the first tube bank 28 are communicated with the first cooling inlet and the first cooling outlet respectively, an outer circumferential surface of the first tube bank 28 is fixedly connected with a spiral baffle 29, and the spiral baffle 29 is fixedly connected with the inner side wall of the first cylinder 27, a plurality of second tube banks 30 which are arranged along the length direction of the first cylinder 27 are fixedly and penetratingly arranged on the spiral baffle 29, one end of each second tube bank 30 is communicated with the first cooling inlet, the other end of each second tube bank 30 is communicated with the first cooling outlet, a circular hole for one-to-one penetrating of each second tube bank 30 is formed on the spiral baffle 29, an outer circumferential surface of the second tube bank 30 is provided with a plurality of first grooves 31 which are arranged along the axial direction of the second tube bank 30, and each first groove 31 penetrates through both ends of the axial direction of the second tube bank 30 respectively, each first groove 31 is distributed around the center along the axis of the second tube bank 30. By arranging the spiral baffle 29, the spiral baffle 29 not only can support the second tube bank 30, but also can change the flow path of the gasified gas, prolong the residence time of the gasified gas in the first cylinder 27, and the heat exchange efficiency is relatively high. At the same time, by cooperation of the circular hole on the spiral baffle 29 and the first groove 31 of the second tube bank 30, the liquid on the spiral baffle 29 can directly pass through the circular hole and be directly discharged, and the liquid discharge effect is relatively good.

[0056] The distillation kettle 20 is provided with a mounting hole on one side, and a manhole is arranged on the mounting hole. The manhole has two states of opening and closing. In this embodiment, the manhole is in the closed state. The manhole includes a cover body 32, a manhole seat 33, and a crossbeam 34 fixed to the cover body 32. A sealing gasket (not shown in the figure) is arranged between the cover body 32 and the manhole seat 33. The manhole seat 33 is integrally connected with a connecting rod. The connecting rod and the cover body 32 have a gap therebetween. One end of the crossbeam 34 is rotatably connected to the end of the connecting rod away from the manhole seat 33 through a first pin shaft. The other end of the crossbeam 34 is fixedly connected with a U-shaped block 35. The U-shaped block 35 and the manhole seat 33 are connected through a fixing assembly. The fixing assembly includes a U-shaped seat 36 fixedly connected to the manhole seat 33, a screw rod 38 rotatably connected to the inner cavity of the U-shaped seat 36 through a second pin shaft 37, and a rotating cover 39 screw-connected to the screw rod 38. The screw rod 39 is arranged in the inner cavity of the U-shaped block 35. The side of the rotating cover 39 facing the U-shaped seat 36 abuts against the side of the U-shaped block 35 away from the cover body 32. A gasket 40 is arranged between the rotating cover 39 and the U-shaped block 35. The gasket 40 is movably sleeved on the screw rod 38. The side of the U-shaped block 35 away from the cover body 32 is provided with a second recess 41 with an inner diameter matching the diameter of the gasket 40. Specifically, the maximum diameter of the opening of the U-shaped block 35 is smaller than the diameter of the outer contour of the cross section of the second recess 41. The screw rod 38 is prevented from loosening through the cooperation of the gasket 40 and the second recess 41, so as to ensure the sealing performance between the cover body 32 and the manhole seat 33.

[0057] The first condenser 22 comprises a second cylinder 42, a third head 67, a fourth head and an exhaust assembly. It should be noted that the third head 67 and the fourth head are both conventional distributors. The second cylinder 42 is internally fixedly connected with a plurality of third tubes. The third head 67 and the fourth head are located at two ends of the second cylinder 42. The third head 67 and the fourth head are in communication with the second cylinder 43, respectively. The third head 67 is located directly above the first cylinder 27. The second cylinder 42 is gradually inclined downward relative to the horizontal plane from the end connected with the third head 67 to the corresponding other end. The fourth head is in communication with the top of the distillation copper head 21. The sidewall of the second cylinder 42 is provided with a second cooling inlet and a second cooling outlet. One end of each third tube is in communication with the second cooling inlet. The other end of each second tube is in communication with the first cooling outlet. The third head 67 is provided with a first outlet 43 in communication with the inner cavity of the third head 67. The third head 67 is also provided with a second outlet 44 in communication with the inner cavity of the third head 67. The opening direction of the first outlet 43 is downward. The opening direction of the second outlet 44 is upward. The exhaust assembly comprises a Venturi tube 45 and a connecting pipe 46. The Venturi tube 45 is vertically arranged. The Venturi tube 45 comprises an inlet cylinder segment 68, a conical contraction segment 69, a cylinder throat segment 70 and a conical diffusion segment 71 arranged in sequence from top to bottom. The large end of the conical contraction segment 69 is connected with and in communication with the inlet cylinder segment 68. The small end of the conical contraction segment 69 is connected with and in communication with the cylinder throat segment 70. The end of the inlet cylinder segment 68 away from the conical contraction segment 69 is connected with and in communication with the first outlet 43. The small end of the conical diffusion segment 71 is connected with and in communication with the cylinder throat segment 69. The large end of the conical diffusion segment 71 is connected with and in communication with the top of the second condenser 23. One end of the connecting pipe 46 is in communication with the second outlet 44. The sidewall of the cylinder throat segment 70 is provided with a communication hole. The other end of the connecting pipe 46 is in communication with the communication hole. By being provided with the Venturi tube 45 and the connecting pipe 46, the non-condensable gas accumulated in the second cylinder 42 is discharged by using the negative pressure generated when the condensed liquid flows through the Venturi tube 45, thereby reducing the adverse effect of the non-condensable gas on the heat transfer effect and ensuring that the first condenser 22 has a stable heat transfer coefficient and high heat transfer capacity.

[0058] The first cooling inlet is communicated with a first water inlet pipe 47, the first cooling inlet is communicated with a first water outlet pipe 48, the first cooling inlet is located at the outer peripheral wall of the first cylinder body 27 close to the upper end thereof, the first cooling inlet is located at the outer peripheral wall of the first cylinder body 27 close to the lower end thereof, the first water inlet pipe 47 and the first water outlet pipe 48 are arranged to circulate cooling water, and the gas passing through the first cylinder body 27 is cooled. The second cooling inlet is communicated with a second water inlet pipe 49, the second cooling outlet is communicated with a second water outlet pipe 50, the second cooling inlet and the second cooling outlet are both located at the outer peripheral wall of the second cylinder body 42, the second cooling inlet is closer to the distillation copper head 21 than the second cooling outlet, and the horizontal position of the second cooling inlet is higher than that of the second cooling outlet. The second water inlet pipe 49 and the second water outlet pipe 50 are arranged to circulate cooling water, and the gas passing through the second cylinder body 42 is further cooled. The first water inlet pipe 47, the first water outlet pipe 48, the second water inlet pipe 49 and the second water outlet pipe 50 are fixedly connected by a pipe clamp 51. Specifically, the pipe clamp 51 includes a base, a plurality of pipe clamp bodies are arranged in sequence along the length direction of the base, each pipe clamp body is arranged one-to-one corresponding to the first water inlet pipe 47, the first water outlet pipe 48, the second water inlet pipe 49 and the second water outlet pipe 50, and the pipe clamp body is a conventional pipe clamp body which will not be described in detail here. The pipe clamp 51 is arranged to form an integral whole of the first water inlet pipe 47, the first water outlet pipe 48, the second water inlet pipe 49 and the second water outlet pipe 50, which is not easy to shake.

[0059] The distillation pot 20 and the bottom of the collection tank 25 are both provided with a plurality of supporting legs 52. The bottom of each supporting leg 52 is provided with a threaded hole. Each threaded hole is threadedly connected with a height adjusting mechanism. The height adjusting mechanism is used to adjust the height of the corresponding supporting leg 52. Each height adjusting mechanism includes a bottom plate 53 and a threaded column 54. In the same height adjusting mechanism, the bottom plate 53 is horizontally arranged, and the threaded column 54 is vertically arranged. The threaded column 54 is fixedly connected or integrally connected at the center position of the bottom plate 54. The outer peripheral surface of the threaded column 54 is provided with a plurality of third grooves 55 arranged along the axial direction thereof. Each third groove 55 penetrates through both ends of the axial direction of the threaded column 54. Each third groove 55 is distributed around the center along the axis of the threaded column 54. When the threaded column 54 is screwed in the corresponding threaded hole, the residual debris in the threaded hole can fall from the third groove 55. During the tightening process of the threaded column 54, there will be no jamming phenomenon.

[0060] The first guide plate 56 is arranged obliquely relative to the horizontal plane in the support pipe 24, and is used for guiding the mixture of essential oil and hydrolat to flow downward. It is to be noted that the first guide plate 56 divides the inner cavity of the support pipe 24 into two chambers that are not communicated with each other. The support pipe 24 is connected and communicated with the oil-water separator 26 through a conveying pipe 57. One end of the conveying pipe 57 is connected with one side of the support pipe 24, and the other end of the conveying pipe 57 is connected with the top of the oil-water separator 26. The connection position of the conveying pipe 57 with the support pipe 24 corresponds to the lowest position of the first guide plate 56. A cleaning pipe is further arranged on the support pipe 24. One end of the cleaning pipe is connected with one side of the support pipe 24, and the other end of the cleaning pipe is connected with the top of the collecting tank 25. The horizontal position of the connection position of the cleaning pipe with the support pipe 24 is higher than the horizontal position of the connection position of the conveying pipe 57 with the support pipe 24.

[0061] The top of the oil-water separator 26 is provided with an essential oil chamber 58. One side of the essential oil chamber 58 is provided with an essential oil pipe 59 connected and communicated with the essential oil chamber 58. The essential oil pipe 59 is arranged obliquely downward from one end connected with the essential oil chamber 58 to the other end. The other end of the essential oil pipe 59 is arranged in a suspended manner. A valve is arranged on the essential oil pipe 59. The essential oil can be discharged by opening the valve of the essential oil pipe 59.

[0062] The oil-water separator 26 is provided with a second guide plate 60 arranged obliquely. It is to be noted that the second guide plate 60 divides the inner cavity of the oil-water separator 26 into two chambers that are not communicated with each other. One side of the oil-water separator 26 is communicated with a liquid discharge pipe 61. The connection position of the liquid discharge pipe 61 with the oil-water separator 26 corresponds to the lowest position of the second guide plate 60. The top of the oil-water separator 26 is provided with a first reflux pipe 62. The first reflux pipe 62 has a vertical segment 63 and a horizontal segment 64 that are communicated with each other. The bottom of the vertical segment 63 is located in the oil-water separator 26. The horizontal position of the bottom of the vertical segment 63 is higher than the horizontal position of the liquid discharge pipe 61. The horizontal position of the horizontal segment 64 is higher than the horizontal position of the connection position of the essential oil pipe 59 with the essential oil chamber 58. In this way, the oil and water in the essential oil liquid can be fully separated. The pure essential oil with lighter weight floats above the water. The end of the horizontal segment 64 not communicated with the vertical segment 63 is connected with a second reflux pipe and a third reflux pipe through a three-way valve. The other end of the second reflux pipe away from the three-way valve is connected and communicated with the top of the collecting tank 25. The other end of the third reflux pipe away from the three-way valve is connected and communicated with the top of the distillation kettle 20.

[0063] The side wall of the distillation kettle 20 is provided with a transparent observation window 65 near the upper end thereof. The transparent observation window 65 is arranged to facilitate the workers to observe the distillation through the transparent observation window 65.

[0064] Before use, personnel put oil-containing plants such as flowers, grasses, branches and the like, i.e. raw materials, into the distillation pot 20 through the manhole, then close the manhole, when in use, open the steam generator 10, the high-temperature steam generated by the steam generator 10 is directly introduced into the inside of the distillation pot 20 through the steam connecting pipe, the flowers, grasses and the like in the distillation pot 20 are subjected to distillation, the distilled essential oil steam rises to the distillation copper head 21, the distillation copper head 21 will react with copper, thereby removing the sulfur-containing components and the like on the inner surface of the distillation copper head 21, removing the harmful components, the high-temperature steam sequentially passes through the first condenser 22 and the second condenser 23 for cooling, the cooled essential oil and hydrolat mixture enters the support pipe 24 and is sent into the oil-water separator 26 through the conveying pipe 57 for oil-water separation, the essential oil and hydrolat mixture is continuously collected in the oil-water separator 26, the liquid level is continuously raised, when the liquid level is raised to the horizontal section 64, the hydrolat will be directly discharged into the collection tank 25 or refluxed into the distillation pot 20 through the first reflux pipe 62, at this time, the liquid level will not be raised, the essential oil can be discharged by opening the valve of the essential oil pipe 59.

[0065] The utility model has been explained in detail above in combination with the drawings, but the implementation mode of the utility model is not limited to the above-mentioned implementation mode, and the person skilled in the art can make various deformations to the utility model according to the prior art, and these all belong to the protection scope of the utility model.

Claims

1. A distiller comprising a steam generator, a distillation kettle connected and communicating with said steam generator, a distillation head connected and communicating with said distillation kettle and located at the top of said distillation kettle, a first condenser connected and communicating with said distillation head, a second condenser connected and communicating with said first condenser, a support tube connected and communicating with said second condenser, a collection tank disposed below said support tube, and an oil-water separator disposed on one side of said collection tank and connected and communicating with said support tube, and said oil-water separator connected and communicating with said collection tank, characterized in that, The first condenser is arranged above the second condenser, the second condenser comprises a first cylinder, a first head and a second head, the first head and the second head are located at two ends of the first cylinder, the first head and the second head are in communication with the first cylinder, the first cylinder is vertically arranged, the first head is located directly above the second head, the first head is in communication with the first condenser, the second head is in communication with the support pipe, the side wall of the first cylinder is provided with a first cooling inlet and a first cooling outlet, the inside of the first cylinder is fixedly connected with a first tube bank arranged coaxially with the first cylinder, two ends of the first tube bank are in communication with the first cooling inlet and the first cooling outlet respectively, the outer peripheral surface of the first tube bank is fixedly connected with a spiral baffle, and the spiral baffle is fixedly connected with the inner side wall of the first cylinder, a plurality of second tube banks arranged along the length direction of the first cylinder are fixedly inserted on the spiral baffle, one end of each of the second tube banks is in communication with the first cooling inlet, the other end of each of the second tube banks is in communication with the first cooling outlet, a circular hole for one-to-one insertion of each second tube bank is formed on the spiral baffle, and the outer peripheral surface of each second tube bank is provided with a plurality of first grooves arranged along the axial direction thereof, and each first groove penetrates through both ends of the second tube bank in the axial direction.

2. A still according to claim 1, wherein, A mounting hole is formed on one side of the distillation kettle, a manhole is arranged on the mounting hole, the manhole comprises a cover body, a manhole seat and a cross beam fixed to the cover body, a sealing gasket is arranged between the cover body and the manhole seat, the manhole seat is integrally connected with a connecting rod, the connecting rod and the cover body have a gap therebetween, one end of the cross beam is rotatably connected to the end of the connecting rod away from the manhole seat through a first pin shaft, the other end of the cross beam is fixedly connected with a U-shaped block, the U-shaped block and the manhole seat are connected through a fixing assembly, the fixing assembly comprises a U-shaped seat fixedly connected to the manhole seat, a screw rod rotatably connected to the inner cavity of the U-shaped seat and a rotating cover screw-connected to the screw rod, the screw rod is arranged in the inner cavity of the U-shaped block, and the side of the rotating cover facing the U-shaped seat is in abutment with the side of the U-shaped block away from the cover body.

3. A still according to claim 2, wherein, A gasket is arranged between the rotating cover and the U-shaped block, the gasket is movably sleeved on the screw rod, and a second groove with an inner diameter matching the diameter of the gasket is formed on the side of the U-shaped block away from the cover body.

4. A still according to claim 1, wherein, The first condenser comprises a second cylinder, a third head, a fourth head and an exhaust assembly, the inside of the second cylinder is fixedly connected with a plurality of third tubes, the third head and the fourth head are located at two ends of the second cylinder, the third head and the fourth head are in communication with the second cylinder respectively, the third head is located directly above the first cylinder, the second cylinder is gradually inclined downward relative to the horizontal plane from one end connected with the third head to the corresponding other end, the fourth head is in communication with the top of the distillation copper head, the side wall of the second cylinder is provided with a second cooling inlet and a second cooling outlet, one end of each of the third tubes is in communication with the second cooling inlet, the other end of each of the third tubes is in communication with the second cooling outlet, a first outlet is formed in the third head, a second outlet is also formed in the third head, the opening direction of the first outlet is arranged downward, the opening direction of the second outlet is arranged upward, the exhaust assembly comprises a Venturi tube and a connecting pipe, the Venturi tube is vertically arranged, the Venturi tube comprises an inlet cylinder segment, a conical contraction segment, a cylinder throat segment and a conical diffusion segment arranged in sequence from top to bottom, the large end of the conical contraction segment is connected and communicated with the inlet cylinder segment, the small end of the conical contraction segment is connected and communicated with the cylinder throat segment, one end of the inlet cylinder segment away from the conical contraction segment is connected and communicated with the first outlet, the small end of the conical diffusion segment is connected and communicated with the cylinder throat segment, the large end of the conical diffusion segment is connected and communicated with the first head, one end of the connecting pipe is communicated with the second outlet, the side wall of the cylinder throat segment is provided with a communication hole, the other end of the connecting pipe is communicated with the communication hole.

5. A still according to claim 4, wherein, The first cooling inlet is communicated with a first water inlet pipe, the first cooling inlet is communicated with a first water outlet pipe, the first cooling inlet is located at the position close to the upper end of the outer peripheral wall of the first cylinder, the first cooling inlet is located at the position close to the lower end of the outer peripheral wall of the first cylinder, the second cooling inlet is communicated with a second water inlet pipe, the second cooling outlet is communicated with a second water outlet pipe, the second cooling inlet and the second cooling outlet are located on the outer peripheral wall of the second cylinder, the second cooling inlet is close to the distillation copper head relative to the second cooling outlet, and the horizontal position of the second cooling inlet is higher than that of the second cooling outlet, the first water inlet pipe, the first water outlet pipe, the second water inlet pipe and the second water outlet pipe are fixedly connected through a pipe clamp.

6. A still according to claim 1, wherein, The bottoms of the distillation kettle and the collection tank are respectively provided with a plurality of supporting legs, the bottoms of the supporting legs are respectively provided with threaded holes, the threaded holes are respectively threadedly connected with height adjusting mechanisms, the height adjusting mechanisms respectively include a bottom plate and a threaded column, in the same height adjusting mechanism, the bottom plate is horizontally arranged, the threaded column is vertically arranged, the threaded column is fixedly connected or integrally connected at the center position of the bottom plate, the outer circumferential surface of the threaded column is provided with a plurality of third grooves arranged along the axial direction thereof, and the third grooves are respectively penetrated through the two ends of the threaded column in the axial direction, and the third grooves are distributed around the axis of the threaded column as the center.

7. A still according to claim 1, wherein, The supporting pipe is provided with a first guide plate arranged obliquely relative to the horizontal plane, the supporting pipe is connected and communicated with the oil-water separator through a conveying pipe, one end of the conveying pipe is connected with one side of the supporting pipe, the other end of the conveying pipe is connected with the top of the oil-water separator, and the connection position of the conveying pipe and the supporting pipe corresponds to the lowest position of the first guide plate.

8. The still of claim 1, wherein, The top of the oil-water separator is provided with an essential oil chamber, one side of the essential oil chamber is provided with an essential oil pipe connected and communicated with the essential oil chamber, the essential oil pipe is arranged obliquely downward from one end connected with the essential oil chamber to the other end, and the essential oil pipe is provided with a valve.

9. A still according to claim 8, wherein, The oil-water separator is provided with a second guide plate arranged obliquely relative to the horizontal plane, one side of the oil-water separator is communicated with a liquid discharge pipe, the connection position of the liquid discharge pipe and the oil-water separator corresponds to the lowest position of the second guide plate, the top of the oil-water separator is provided with a first reflux pipe, the first reflux pipe has a vertical section and a horizontal section communicated with each other, the bottom of the vertical section is located in the oil-water separator, the horizontal position of the bottom of the vertical section is higher than that of the liquid discharge pipe, the horizontal position of the horizontal section is higher than that of the connection position of the essential oil pipe and the essential oil chamber, one end of the horizontal section not communicated with the vertical section is connected with a second reflux pipe and a third reflux pipe through a three-way valve respectively, the other end of the second reflux pipe away from the three-way valve is connected and communicated with the top of the collection tank, and the other end of the third reflux pipe away from the three-way valve is connected and communicated with the top of the distillation kettle.

10. The still of claim 1, wherein, The sidewall of the distillation kettle is provided with a transparent observation window near the upper end thereof.

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