Evaporative concentration device for dehydroepiandrosterone production

Abstract

The utility model is suitable for dehydroepiandrosterone production technical field provides a kind of evaporation concentration device for dehydroepiandrosterone production, including bottom plate;Fixedly connected with the tank body of bottom plate top end side, the surface of the tank body is fixedly connected with heating jacket, the inside of heating jacket is provided with heating pipe, the bottom end of the tank body is fixedly connected with discharge pipe, the upper end of the one side of the tank body is fixedly connected with feed pipe;Through bolt fixedly connected with the top cover of the tank body top end, the one side of the top cover top end is fixedly connected with negative pressure pipe, the top cover top end of negative pressure pipe one end is fixedly connected with temperature sensor, the one side of the top cover top end away from temperature sensor is fixedly connected with pressure gauge.The evaporation concentration device for dehydroepiandrosterone production provided in scheme utilizes recovery component to carry out temperature reduction to the steam generated by evaporation concentration and to adsorb odor etc. after direct discharge again, it is convenient to the recovery treatment of steam, and it improves its practicality.

Description

Technical Field

[0001] This utility model belongs to the field of dehydroepiandrosterone (DHEA) production technology, and particularly relates to an evaporation and concentration device for DHEA production. Background Technology

[0002] Dehydroepiandrosterone (DHEA) is a major raw material for the production of steroid hormone drugs and contraceptives. Its preparation process involves multi-step chemical transformation and fine purification technology. In the production process, the fermentation broth needs to be evaporated and concentrated for further purification and processing.

[0003] Chinese patent CN212440081U discloses a fermentation broth concentration device for producing dehydroepiandrosterone (DHEA) via microbial transformation. The device includes a processing unit with a collection device connected to its top. A heating structure is connected to the end of the processing unit away from the collection device. An exhaust pipe is connected to the lower side wall of one side of the processing unit, and a sealing structure is connected to one end of the exhaust pipe. A vacuum pump is connected to one side of the sealing structure. The beneficial effects of this invention are: the fermentation broth is transported into the concentration tank through the injection pipe; the internal condition of the concentration tank can be observed in real time through the observation port; a scale can clearly indicate the concentration progress; the sealing structure strengthens the connection between the exhaust pipe and the vacuum pump while increasing the sealing performance, effectively preventing air leakage from affecting the decompression effect; and the threaded column pushes a limiting plate to clamp and limit the concentration tank, allowing it to be placed more stably in the mounting slot, ensuring smooth heating.

[0004] However, the current scheme only collects steam, but the storage box has a limited volume, which cannot meet the overall evaporation and concentration requirements, thus affecting the steam collection effect and causing inconvenience in its use. Therefore, it is necessary to design an evaporation and concentration device for the production of dehydroepiandrosterone. Utility Model Content

[0005] This invention provides an evaporation and concentration device for the production of dehydroepiandrosterone (DHEA), which aims to solve the problem that some currently used evaporation and concentration devices are inconvenient to collect and process steam.

[0006] This utility model is implemented as follows: an evaporation and concentration device for the production of dehydroepiandrosterone (DHEA) includes a base plate; a tank body fixedly connected to one side of the top of the base plate, a heating jacket fixedly connected to the surface of the tank body, a heating tube disposed inside the heating jacket, a discharge pipe fixedly connected to the bottom of the tank body, and a feed pipe fixedly connected to the upper end of one side of the tank body; a top cover fixedly connected to the top of the tank body by bolts, a negative pressure pipe fixedly connected to one side of the top of the top cover, a temperature sensor fixedly connected to the top of the top of the negative pressure pipe, and a pressure gauge fixedly connected to the side of the top of the top cover away from the temperature sensor; a stirring assembly mounted on the top cover, the stirring assembly being used to agitate the fermentation liquid inside the tank to facilitate uniform heating; a recovery assembly mounted on the other side of the top of the base plate, the recovery assembly being used to recover and treat the steam generated during concentration; and a controller fixedly connected to the top of the base plate.

[0007] The recycling assembly includes: a buffer tank fixedly connected to one side of the top of the base plate, with a drain pipe fixedly connected to the lower end of one end of the buffer tank, a condenser fixedly connected to the top of the buffer tank, a spiral tube fixedly connected inside the condenser, the top end of the spiral tube communicating with one side of the top of the top cover via a conduit, and the bottom end of the spiral tube communicating with the top of the buffer tank via a conduit; and an adsorption tank fixedly connected to one side of the top of the base plate, with the upper end of one side of the adsorption tank communicating with the interior of the buffer tank via a conduit, an exhaust pipe fixedly connected to the lower end of the other side of the adsorption tank, a fixing groove opened at the top of the adsorption tank, a sealing plate movably connected to the top of the adsorption tank, and activated carbon adsorption plates extending into the interior of the adsorption tank fixedly connected at equal intervals at the bottom end of the sealing plate.

[0008] Preferably, a sealing ring is fixedly connected to the lower end of the surface of the sealing plate, and the sealing ring is in the shape of a U-shape.

[0009] Preferably, a water inlet pipe is fixedly connected to the lower end of one side of the condenser cylinder, and a drain pipe is fixedly connected to the upper end of the other side of the condenser cylinder.

[0010] Preferably, the top of the adsorption box on both sides of the fixing groove is provided with a first bolt hole, and the top of the sealing plate is movably connected with a first fixing bolt that is threaded into the first bolt hole.

[0011] Preferably, the stirring assembly includes: a reduction motor fixedly connected to the middle position of the top of the top cover, the output end of the reduction motor passing through the top cover and fixedly connected to a linkage rod through a coupling; a stirring rod disposed at the bottom end of the linkage rod, the surface of the stirring rod being fixedly connected with stirring blades at equal intervals and angles, and a scraper disposed at the bottom end of the stirring rod.

[0012] Preferably, one side of the scraper is arc-shaped, and the bottom end of the scraper is beveled.

[0013] Preferably, an installation structure is provided between the scraper, the linkage rod, and the stirring rod. The installation structure is used to assemble and disassemble the scraper and the stirring rod, and the linkage rod and the stirring rod. The installation structure includes: a mounting base fixedly connected to the top and bottom ends of the stirring rod, the mounting base having a slot, and a reserved groove on one side of the mounting base, with a second fixing bolt extending into the slot movably connected inside the reserved groove; and a locking block fixedly connected to the top end of one side of the scraper and the bottom end of the linkage rod, with a second bolt hole on one side of the locking block threaded to one end of the second fixing bolt.

[0014] Preferably, the card block and the card slot form an engaging structure, and the card block and the card slot are convex in shape.

[0015] Preferably, an elastic ring is fixedly connected to the surface of the second fixing bolt nut, and the elastic ring is O-shaped.

[0016] Preferably, a guide platform is fixedly connected to the inner bottom wall of the tank, and the guide platform is funnel-shaped.

[0017] Compared with related technologies, the evaporation and concentration apparatus for dehydroepiandrosterone (DHEA) production provided by this utility model has the following advantages:

[0018] 1. The steam generated by evaporation can be transported to the inside of the spiral tube through a conduit, and then cold water can be transported to the inside of the condenser through a water inlet pipe, which facilitates heat exchange between the hot steam inside the spiral tube. The water after heat exchange is discharged through the drain pipe. At the same time, this part of the water after heat exchange can be recycled for daily hand washing or vegetable washing. The water in the steam is cooled into liquid and stored in the buffer tank. After the subsequent evaporation and concentration operation is completed, the valve on the drain pipe can be opened to drain the water in the buffer tank. At the same time, the cooled gas will be buffered in the buffer tank and then transported to the adsorption tank. At this time, the activated carbon adsorption plate is used to adsorb the gas. The adsorbed gas is then discharged through the exhaust pipe. After the evaporation and concentration operation is completed, the saturated activated carbon adsorption plate can be removed and replaced.

[0019] 2. By starting the geared motor, the linkage rod rotates, which in turn drives the stirring rod and stirring blades to rotate, facilitating the stirring of the fermentation liquid and ensuring even heating. This promotes uniform evaporation and concentration. Simultaneously, the rotation of the stirring rod drives the scraper to rotate, effectively reducing the adhesion and residue of evaporation crystals on the inner wall of the tank. Furthermore, the scraper, linkage rod, and stirring rod can be disassembled and disassembled for cleaning or replacement of damaged parts, reducing overall disassembly and maintenance costs and improving practicality. Attached Figure Description

[0020] Figure 1This is a frontal cross-sectional view of the present invention.

[0021] Figure 2 This is a front view structural diagram of the present utility model;

[0022] Figure 3 This is a partial cross-sectional exploded view of the adsorption box of this utility model;

[0023] Figure 4 This is a schematic diagram of a partial explosion of the stirring component of this utility model;

[0024] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0025] In the diagram: 1. Recycling assembly; 101. Inlet pipe; 102. Buffer tank; 103. Activated carbon adsorption plate; 104. Adsorption box; 105. Sealing plate; 106. Condenser; 107. Spiral tube; 108. Drain pipe; 109. Drainage pipe; 110. Fixing groove; 111. First bolt hole; 112. Sealing ring; 113. First fixing bolt; 2. Top cover; 3. Stirring assembly; 301. Scraper; 302. Speed ​​reducer. 303. Machine; 304. Linkage rod; 305. Mounting base; 306. Stirring rod; 307. Stirring blade; 308. Locking block; 309. Locking groove; 310. Elastic ring; 311. Second fixing bolt; 312. Reserved groove; 313. Second bolt hole; 4. Negative pressure pipe; 5. Feed pipe; 6. Tank body; 7. Heating jacket; 8. Guide platform; 9. Discharge pipe; 10. Base plate; 11. Pressure gauge; 12. Temperature sensor; 13. Controller. Detailed Implementation

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0027] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0028] Example 1

[0029] A preferred embodiment of the evaporation and concentration apparatus for dehydroepiandrosterone (DHEA) production provided by this utility model is, for example... Figures 1 to 5 The diagram shows an evaporation and concentration device for the production of dehydroepiandrosterone (DHEA), comprising a base plate 10; a tank 6 fixedly connected to one side of the top of the base plate 10, a heating jacket 7 fixedly connected to the surface of the tank 6, a heating tube disposed inside the heating jacket 7, a discharge pipe 9 fixedly connected to the bottom of the tank 6, and a feed pipe 5 fixedly connected to the upper end of one side of the tank 6; a top cover 2 fixedly connected to the top of the tank 6 by bolts, a negative pressure pipe 4 fixedly connected to one side of the top of the top cover 2, a temperature sensor 12 fixedly connected to one end of the negative pressure pipe 4, and a pressure gauge 11 fixedly connected to the side of the top of the top cover 2 away from the temperature sensor 12; a stirring assembly 3 mounted on the top cover 2, used to stir the fermentation liquid inside the tank 6 to facilitate uniform heating; a recovery assembly 1 mounted on the other side of the top of the base plate 10, used to recover the steam generated during concentration; and a controller 13 fixedly connected to the top of the base plate 10.

[0030] The recycling component 1 includes: a buffer tank 102 fixedly connected to one side of the top of the base plate 10, a drain pipe 109 fixedly connected to the lower end of one side of the buffer tank 102, a condenser cylinder 106 fixedly connected to the top of the buffer tank 102, a spiral tube 107 fixedly connected inside the condenser cylinder 106, the top end of the spiral tube 107 communicating with one side of the top of the top cover 2 through a conduit, and the bottom end of the spiral tube 107 communicating with the top of the buffer tank 102 through a conduit; an adsorption tank 104 fixedly connected to one side of the top of the base plate 10, the upper end of one side of the adsorption tank 104 communicating with the interior of the buffer tank 102 through a conduit, an exhaust pipe fixedly connected to the lower end of the other side of the adsorption tank 104, a fixing groove 110 opened at the top of the adsorption tank 104, a sealing plate 105 movably connected to the top of the adsorption tank 104, and activated carbon adsorption plates 103 extending into the interior of the adsorption tank 104 fixedly connected at equal intervals at the bottom end of the sealing plate 105.

[0031] It should be noted that some existing evaporation and concentration devices for dehydroepiandrosterone (DHEA) production still have certain shortcomings in actual use. The comparative documents only collect steam, but the storage tank has a limited volume, which cannot meet the overall evaporation and concentration requirements, thus affecting the steam collection effect and causing inconvenience in use.

[0032] In this embodiment, the external vacuum pump pipeline is connected to the negative pressure pipe 4. Then, the fermentation broth is transported into the tank body 6 through the feed pipe 5. When a certain amount of fermentation broth is transported, the transportation is stopped. Then, the external vacuum pump is started to evacuate the inside of the tank body 6, and the pressure value inside the tank body 6 is known through the pressure gauge 11. Then, the heating pipe inside the heating jacket 7 is started to heat the fermentation broth inside the tank body 6. At the same time, the stirring assembly 3 is used to stir the fermentation broth to facilitate its uniform heating, so as to realize the evaporation and concentration operation of the fermentation broth. At the same time, the steam generated by evaporation can be transported into the spiral pipe 107 through the conduit. Then, cold water is transported into the condensation cylinder 106 through the water inlet pipe 101, which is convenient for heat exchange of the hot steam inside the spiral pipe 107. The water after heat exchange is discharged through the drain pipe 108. At the same time, this part of the water after heat exchange can be recycled, such as for daily handwashing or vegetable washing. The cooled gas is transported into the buffer tank 102. At the same time, the water in the steam is cooled into a liquid and stored in the buffer tank 102. After the subsequent evaporation and concentration operation is completed, the valve on the drain pipe 109 can be opened to facilitate the discharge of the water inside the buffer tank 102. Then, the gas inside the buffer tank 102 is transported into the adsorption tank 104. At this time, the activated carbon adsorption plate 103 is used to adsorb the gas, and the adsorbed gas is discharged through the exhaust pipe. At the same time, after the evaporation and concentration operation is completed, the first fixing bolt 113 can be loosened until it is completely separated from the inside of the first bolt hole 111, and then the activated carbon adsorption plate 103 can be taken out through the sealing plate 105, which is convenient for taking out and replacing the activated carbon adsorption plate 103 with saturated adsorption.

[0033] In a further preferred embodiment of the present utility model, a sealing ring 112 is fixedly connected to the lower end of the surface of the sealing plate 105, and the shape of the sealing ring 112 is a square frame.

[0034] In this embodiment, the square frame-shaped sealing ring 112 is used to improve the sealing performance after the sealing plate 105 is snap-fitted and installed inside the fixing groove 110.

[0035] In a further preferred embodiment of the present utility model, a water inlet pipe 101 is fixedly connected to the lower end of one side of the condensation cylinder 106, and a drain pipe 108 is fixedly connected to the upper end of the other side of the condensation cylinder 106.

[0036] In this embodiment, the water inlet pipe 101 and the drain pipe 108 are used to realize the transportation of cold water, which is convenient for the heat exchange treatment of the steam inside the spiral pipe 107.

[0037] In a further preferred embodiment of the present utility model, first bolt holes 111 are opened at the top of the adsorption tank 104 on both sides of the fixing groove 110, and first fixing bolts 113 that are threadedly matched with the first bolt holes 111 are movably connected to both sides of the top of the sealing plate 105.

[0038] In this embodiment, the sealing plate 105 and the top of the adsorption box 104 are disassembled and assembled by using the threaded engagement between the first fixing bolt 113 and the first bolt hole 111.

[0039] Example 2

[0040] Based on Example 1, a preferred embodiment of the evaporation and concentration apparatus for dehydroepiandrosterone (DHEA) production provided by this invention is as follows: Figures 1 to 5 As shown: The stirring assembly 3 includes: a reduction motor 302 fixedly connected to the middle position of the top of the top cover 2, the output end of the reduction motor 302 passing through the top cover 2 and fixedly connected to a linkage rod 303 through a coupling; a stirring rod 305 set at the bottom of the linkage rod 303, stirring blades 306 fixedly connected at equal intervals and angles on the surface of the stirring rod 305, and a scraper 301 set at the bottom of the stirring rod 305.

[0041] In this embodiment, by starting the reduction motor 302, the linkage rod 303 is driven to rotate, which in turn drives the stirring rod 305 and the stirring blade 306 to rotate, which facilitates the stirring of the fermentation liquid, so that it can be heated evenly and facilitates its uniform evaporation and concentration. At the same time, the rotation of the stirring rod 305 drives the scraper 301 to rotate, which can effectively reduce the adhesion residue of evaporation crystals on the inner wall of the tank 6.

[0042] In a further preferred embodiment of the present invention, one side of the scraper 301 is arc-shaped, and the bottom end of the scraper 301 is inclined.

[0043] In this embodiment, the scraper 301, which has an arc shape on one side and a beveled bottom, can effectively reduce the adhesion residue of crystals on the inner wall and bottom wall of the tank 6.

[0044] In a further preferred embodiment of this utility model, an installation structure is provided between the scraper 301, the linkage rod 303, and the stirring rod 305. The installation structure is used to realize the assembly and disassembly of the scraper 301 and the stirring rod 305, and the linkage rod 303 and the stirring rod 305. The installation structure includes: a mounting base 304 fixedly connected to the top and bottom ends of the stirring rod 305, a slot 308 is provided on the mounting base 304, and a reserved groove 311 is provided on one side of the mounting base 304. A second fixing bolt 310 extending into the slot 308 is movably connected inside the reserved groove 311; and a locking block 307 fixedly connected to the top end of one side of the scraper 301 and the bottom end of the linkage rod 303. A second bolt hole 312 is provided on one side of the locking block 307, which is threaded to one end of the second fixing bolt 310.

[0045] In this embodiment, the second fixing bolt 310 is rotated with a screwdriver or other tools until it is completely disengaged from the second bolt hole 312. Then, the scraper 301 or the stirring rod 305 can be pulled to disengage the locking block 307 from the slot 308, thus achieving the separate disassembly of the scraper 301, the linkage rod 303, and the stirring rod 305. During installation, the locking block 307 is locked into the slot 308, and the second fixing bolt 310 is screwed into the second bolt hole 312 to achieve a secure installation of the locking block 307 from the slot 308.

[0046] In a further preferred embodiment of the present invention, the internal structure of the card block 307 and the card slot 308 forms an engaging structure, and the shapes of the card block 307 and the card slot 308 are convex.

[0047] In this embodiment, the initial engagement and installation of the scraper 301, linkage rod 303 and stirring rod 305 are achieved by using the engagement of the convex locking block 307 with the slot 308.

[0048] In a further preferred embodiment of the present invention, an elastic ring 309 is fixedly connected to the surface of the nut of the second fixing bolt 310, and the elastic ring 309 is O-shaped.

[0049] In this embodiment, the elastic ring 309 is used to improve the anti-slip tightness between the nut of the second fixing bolt 310 and the inner wall of the reserved groove 311, so as to avoid the second fixing bolt 310 from becoming loose and affecting the firmness of the locking block 307 and the groove 308.

[0050] In a further preferred embodiment of the present invention, a guide platform 8 is fixedly connected to the inner bottom wall of the tank body 6, and the guide platform 8 is funnel-shaped.

[0051] In this embodiment, a funnel-shaped guide platform 8 is used to facilitate the guidance of the concentrated material, making it more concentrated and thoroughly discharged through the discharge pipe 9.

[0052] In summary, the recovery component 1 is used to cool and recycle the evaporated gas, while the stirring component 3 can be used to agitate the fermentation liquid, ensuring that it is heated evenly and facilitating the evaporation and concentration process.

[0053] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0054] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0055] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. An evaporation and concentration apparatus for the production of dehydroepiandrosterone (DHEA), characterized in that, Comprising: Bottom plate (10); A tank body (6) fixedly connected to one side of the top end of the bottom plate (10), a heating jacket (7) is fixedly connected to the surface of the tank body (6), a heating pipe is arranged inside the heating jacket (7), a discharge pipe (9) is fixedly connected to the bottom end of the tank body (6), and a feed pipe (5) is fixedly connected to the upper end of one side of the tank body (6); A top cover (2) fixedly connected to the top end of the tank body (6) by bolts, a negative pressure pipe (4) is fixedly connected to one side of the top end of the top cover (2), a temperature sensor (12) is fixedly connected to the top end of the top cover (2) at one end of the negative pressure pipe (4), and a pressure gauge (11) is fixedly connected to the side of the top end of the top cover (2) far from the temperature sensor (12); A stirring component (3) assembled on the top cover (2), the stirring component (3) is used for stirring the fermentation liquid inside the tank body (6) to facilitate its uniform heating; A recovery component (1) assembled on the other side of the top end of the bottom plate (10), the recovery component (1) is used for recovering and treating the steam generated by concentration; A controller (13) fixedly connected to the top end of the bottom plate (10); The recovery component (1) includes: A buffer tank (102) fixedly connected to one side of the top end of the bottom plate (10), a drain pipe (109) is fixedly connected to the lower end of one end of the buffer tank (102), a condensation cylinder (106) is fixedly connected to the top end of the buffer tank (102), a spiral pipe (107) is fixedly connected inside the condensation cylinder (106), the top end of the spiral pipe (107) is communicated with one side of the top end of the top cover (2) through a conduit, and the bottom end of the spiral pipe (107) is communicated with the top end of the buffer tank (102) through a conduit; An adsorption box (104) fixedly connected to one side of the top end of the bottom plate (10), the upper end of one side of the adsorption box (104) is communicated with the inside of the buffer tank (102) through a conduit, an exhaust pipe is fixedly connected to the lower end of the other side of the adsorption box (104), a fixing groove (110) is formed at the top end of the adsorption box (104), a sealing plate (105) is movably connected to the top end of the adsorption box (104), and activated carbon adsorption plates (103) extending into the inside of the adsorption box (104) are fixedly connected to the bottom end of the sealing plate (105) at equal intervals.

2. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 1, characterized in that, A sealing ring (112) is fixedly connected to the lower end of the surface of the sealing plate (105), and the shape of the sealing ring (112) is a square ring.

3. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 1, characterized in that, A water inlet pipe (101) is fixedly connected to the lower end of one side of the condensation cylinder (106), and a drain pipe (108) is fixedly connected to the upper end of the other side of the condensation cylinder (106).

4. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 1, characterized in that, First bolt holes (111) are formed in the top end of the adsorption box (104) on both sides of the fixing groove (110), and first fixing bolts (113) threadedly engaged with the first bolt holes (111) are movably connected to both sides of the top end of the sealing plate (105).

5. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 1, characterized in that, The stirring component (3) includes: A geared motor (302) is fixedly connected to the middle position of the top of the top cover (2). The output end of the geared motor (302) passes through the top cover (2) and is fixedly connected to a linkage rod (303) through a coupling. A stirring rod (305) is provided at the bottom end of the linkage rod (303). Stirring blades (306) are fixedly connected to the surface of the stirring rod (305) at equal intervals and angles. A scraper (301) is provided at the bottom end of the stirring rod (305).

6. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 5, characterized in that, One side of the scraper (301) is arc-shaped, and the bottom end of the scraper (301) is inclined.

7. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 5, characterized in that, An installation structure is provided between the scraper (301), the linkage rod (303), and the stirring rod (305). The installation structure is used to enable the disassembly and assembly of the scraper (301) and the stirring rod (305) and the linkage rod (303) and the stirring rod (305). The installation structure includes: A mounting base (304) is fixedly connected to the top and bottom of the stirring rod (305). The mounting base (304) has a slot (308) and a reserved slot (311) on one side. A second fixing bolt (310) extending into the slot (308) is movably connected inside the reserved slot (311). A locking block (307) is fixedly connected to the top of one side of the scraper (301) and the bottom of the linkage rod (303). A second bolt hole (312) is provided on one side of the locking block (307) and is threaded to one end of the second fixing bolt (310).

8. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 7, characterized in that, The card block (307) and the card slot (308) form an engaging structure, and the card block (307) and the card slot (308) are convex in shape.

9. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 7, characterized in that, The surface of the nut of the second fixing bolt (310) is fixedly connected with an elastic ring (309), and the elastic ring (309) is O-shaped.

10. The evaporation and concentration apparatus for the production of dehydroepiandrosterone as described in claim 1, characterized in that, The inner bottom wall of the tank (6) is fixedly connected to a guide platform (8), which is funnel-shaped.

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