Drug concentration device

Abstract

The utility model provides a medicine concentration device, and relates to the technical field of medicine concentration. A medicine concentration device comprises a depressurization tank, a plurality of flow guide assemblies are evenly arranged on the portion, located in the depressurization tank, of a steam circulation pipe in a sleeved mode, each flow guide assembly comprises an annular cavity, a confluence cover and a diffusion cover, the confluence covers are fixedly connected to the depressurization tank, and the diffusion covers are fixedly connected to the annular cavities. An intercepting assembly is coaxially and fixedly connected to the interior of the steam circulating pipe and comprises a positioning ring fixedly connected to the inner wall of the steam circulating pipe, a supporting rod is coaxially and fixedly connected to the positioning ring, a plurality of intercepting pieces are evenly arranged on the supporting rod in a sleeving mode, and the intercepting pieces correspond to the annular cavities one to one and are located in the annular cavities; by means of the multiple sets of confluence covers, annular cavities and diffusion covers, liquid medicine in the depressurization tank flows in a zigzag shape, the heating area of the liquid medicine is increased, the annular cavities and the corresponding intercepting pieces are arranged, it can be guaranteed that the staying duration of steam in the annular cavities is prolonged, and the liquid medicine vaporization efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drug concentration, in particular, relates to a kind of drug concentration device. BACKGROUND

[0002] In prior art, for example, the new drug concentration device of the public number CN218011083U, the lower end of the concentration tank is equipped with steam cover, the lower end of the steam cover is equipped with steam input pipe, the middle position in the concentration tank is equipped with the ascending pipe communicated with steam cover, the outer side of the ascending pipe is equipped with expansion pipe at equal intervals, and the inner side of the ascending pipe is equipped with annular protrusion above the expansion pipe, the inner side of the annular protrusion is equipped with overflow gap.

[0003] The scheme, by setting separation cover, the setting of liquid storage cavity, realizes the shunt in the downlink process of dilute liquid, so as to realize the gradual concentration of dilute liquid, realizes the ascending of steam in the equipment interior through the ascending pipe, under the action of expansion pipe and annular protrusion, the residence time of steam in the expansion pipe is extended, so that the heating effect of expansion pipe is improved, in turn accelerates the concentration period of dilute liquid, improves the production efficiency of equipment.

[0004] However, in the scheme, in the process that dilute liquid flows from top separation cover to bottom separation cover, with the obstruction of each layer of separation cover to dilute liquid (in order to form overflow of a part of dilute liquid from separation cover), the bottom separation cover cannot complete the overflow effect, that is, the dilute liquid (drug liquid) on the bottom separation cover will directly flow to the next separation cover from the liquid hole above it due to insufficient flow, so the bottom separation cover does not play the role of liquid shunt, that is, the heating effect is limited, and if liquid separation can be realized on each layer of separation cover in the scheme (two flow-down modes exist), the heating effect of liquid at the top of separation cover will decrease (liquid flow is too large, and the heating effect decreases), and if the liquid mist formed by the vaporization of dilute liquid during concentration is not collected separately, the steam mist diffused in the whole concentration tank will affect the concentration of liquid. CONTENT OF THE UTILITY MODEL

[0005] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application provides a kind of drug concentration device, to improve the effect of the prior art that liquid is separated by separation cover to promote liquid heating effect and then accelerate liquid concentration period is not significant.

[0006] The application provides a medicine concentration device, which comprises a pressure reduction tank, a medicine liquid inlet pipe, a medicine liquid outlet pipe and a vacuum pump are arranged on the side wall of the pressure reduction tank respectively, the medicine liquid inlet pipe is located at the top of the side wall, the medicine liquid outlet pipe is located at the bottom of the side wall, a steam flow pipe penetrating through the top and bottom of the pressure reduction tank is coaxially arranged in the pressure reduction tank, an exhaust tank is arranged at the top end of the steam flow pipe, wherein, a liquid mist outlet end is arranged at the top of the pressure reduction tank, a plurality of groups of flow guide components are uniformly arranged on the part of the steam flow pipe in the pressure reduction tank, the flow guide component comprises an annular cavity connected with the steam flow pipe, an upturned flow collecting cover and a downward diffusion cover are arranged on the upper side and the lower side of the annular cavity respectively, the flow collecting cover is fixedly connected to the inner wall of the pressure reduction tank, the diffusion cover is fixedly connected to the bottom end of the annular cavity, an intercepting component is coaxially fixed in the steam flow pipe, the intercepting component comprises a positioning ring fixedly connected to the inner wall of the steam flow pipe, a supporting rod is coaxially fixed on the positioning ring, a plurality of intercepting pieces are uniformly arranged on the supporting rod, the plurality of intercepting pieces and the plurality of annular cavities are one-to-one corresponding and located in the annular cavities.

[0007] According to the medicine concentration device provided by the application, the medicine liquid in the pressure reduction tank flows in a zigzag shape by the plurality of flow collecting covers, annular cavities and diffusion covers, the heating area of the medicine liquid is increased, the annular cavities and the corresponding intercepting pieces are arranged, the residence time of the steam in the annular cavities is increased, and the vaporization efficiency of the medicine liquid is improved.

[0008] In addition, the medicine concentration device provided by the application also has the following additional technical features.

[0009] In some specific embodiments of the application, a baffle is fixedly connected to the inner bottom of the pressure reduction tank, the medicine liquid outlet pipe is located on the upper side of the baffle, and the steam flow pipe penetrates through the baffle.

[0010] In some specific embodiments of the application, the liquid mist outlet end comprises a mist collecting cover fixedly connected to the inner top of the pressure reduction tank and a mist discharging pipe in communication with the mist collecting cover and extending out of the pressure reduction tank.

[0011] In some specific embodiments of the application, a plurality of annular cavities are uniformly arranged on the steam flow pipe and in communication with the steam flow pipe, and the cross section of the annular cavity is in the shape of a flat circle.

[0012] In some specific embodiments of the application, one annular cavity is arranged between two adjacent flow collecting covers and diffusion covers.

[0013] In some specific embodiments of the application, a space is left between the bottom end of the flow collecting cover and the annular cavity at the bottom end of the flow collecting cover, and a space is left between the bottom end of the diffusion cover and the inner wall of the pressure reduction tank.

[0014] In some embodiments of the present application, a plurality of first annular grooves are equidistantly arranged in the upper end surface of the flow-collecting cover, and a plurality of flow-collecting grooves are uniformly circumferentially arranged in the upper end surface of the flow-collecting cover, and the plurality of flow-collecting grooves are respectively communicated with the plurality of first annular grooves.

[0015] In some embodiments of the present application, a plurality of second annular grooves are equidistantly arranged in the upper end surface of the diffusion cover, and a plurality of diffusion grooves are uniformly circumferentially arranged in the upper end surface of the diffusion cover, and the plurality of diffusion grooves are respectively communicated with the plurality of second annular grooves. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0017] Figure 1 is a schematic diagram of the overall structure of a drug concentration device according to an embodiment of the present application;

[0018] Figure 2 is a schematic diagram of the internal structure of a drug concentration device according to an embodiment of the present application;

[0019] Figure 3 is a partial structure side view of a drug concentration device according to an embodiment of the present application;

[0020] Figure 4 is an enlarged view of A in Figure 2 according to an embodiment of the present application.

[0021] Figure legend: 1, pressure-reducing tank; 11, liquid inlet pipe; 12, liquid outlet pipe; 121, baffle; 13, vacuum pump; 14, steam flow pipe; 15, exhaust box; 151, exhaust fan; 16, liquid mist discharge end; 161, mist collecting cover; 162, mist discharge pipe; 2, flow guide assembly; 21, annular cavity; 22, flow-collecting cover; 221, first annular groove; 222, flow-collecting groove; 23, diffusion cover; 231, second annular groove; 232, diffusion groove; 3, intercepting assembly; 31, positioning ring; 32, support rod; 33, intercepting piece. DETAILED DESCRIPTION

[0022] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0023] As shown in Figures 1-4 , a drug concentration device according to an embodiment of the present application comprises a pressure reduction tank 1, a liquid medicine inlet pipe 11, a liquid medicine outlet pipe 12 and a vacuum pump 13 are arranged on the side wall of the pressure reduction tank 1 respectively, the liquid medicine inlet pipe 11 is located at the top of the side wall, the liquid medicine outlet pipe 12 is located at the bottom of the side wall, a steam flow pipe 14 penetrating through the top and bottom ends is coaxially arranged in the pressure reduction tank 1, and an exhaust tank 15 is arranged at the top end of the steam flow pipe 14.

[0024] As shown in Figure 1 and Figure 2 , an exhaust fan 151 is mounted in the exhaust tank 15, and an exhaust pipe is communicated on the side wall of the exhaust tank 15. It can be understood that the airflow in the steam flow pipe 14 can form a continuous flow by the exhaust fan 151, so as to avoid the backflow of steam affecting the temperature in the steam flow pipe 14.

[0025] It should be noted that the air pressure in the pressure reduction tank 1 is lowered by the action of the vacuum pump 13, so that the temperature required for the vaporization of the liquid medicine in the pressure reduction tank 1 is lowered, and the damage to the heat-sensitive drug components caused by high temperature can be reduced.

[0026] As shown in Figures 1-3 , a liquid mist discharge end 16 is arranged at the top of the pressure reduction tank 1. It can be understood that the vaporized liquid mist in the pressure reduction tank 1 can be collected by connecting a collecting device, so as to reduce the influence of the diffused vaporized liquid mist on the concentration effect of the liquid medicine in the pressure reduction tank 1. Specifically, the liquid mist discharge end 16 comprises a mist collecting cover 161 fixed to the top inside of the pressure reduction tank 1 and a mist discharging pipe 162 communicated with the mist collecting cover 161 and extending out of the pressure reduction tank 1. It should be noted that in the specific embodiments of the present application, the mist collecting cover 161 is arranged in a ring shape, and the ring-shaped mist collecting cover 161 is gradually converging from the bottom end to the top end. This design is convenient for the convergence of the vaporized liquid mist.

[0027] It should be noted that a baffle 121 is fixed to the inner bottom of the pressure reduction tank 1, the liquid medicine outlet pipe 12 is located on the upper side of the baffle 121, and the steam flow pipe 14 penetrates through the baffle 121. It can be understood that the baffle 121 plays a blocking role for the liquid medicine. In the specific embodiments of the present application, the baffle 121 can be arranged obliquely, and the liquid medicine outlet pipe 12 is arranged at the bottom end of the oblique baffle 121, which is more convenient for the discharge of the concentrated liquid medicine.

[0028] Further, the portion of the steam flow pipe 14 located in the pressure reducing tank 1 is uniformly sleeved with multiple groups of flow guide assemblies 2. The flow guide assembly 2 comprises an annular cavity 21 communicated with the steam flow pipe 14. An upwardly open flow collecting cover 22 and a downwardly open diffusion cover 23 are respectively arranged on the upper and lower sides of the annular cavity 21. The flow collecting cover 22 is fixedly connected to the inner wall of the pressure reducing tank 1, and the diffusion cover 23 is fixedly connected to the bottom end of the annular cavity 21. It can be understood that the top end of the flow collecting cover 22 is in a sealed state with the pressure reducing tank 1, and the top end of the diffusion cover 23 is in a sealed state with the annular cavity 21.

[0029] As shown in Figure 2 and Figure 4 , multiple annular cavities 21 are uniformly sleeved on the steam flow pipe 14 and communicated with the steam flow pipe 14. The cross section of the annular cavity 21 is in a flat circular shape. It should be noted that the annular cavity 21 is designed in a protruding manner on the side wall of the steam flow pipe 14 to increase the steam capacity inside the steam flow pipe 14 and increase the area of steam heat diffusion.

[0030] As shown in Figure 2 and Figure 4 , an annular cavity 21 is arranged between two adjacent flow collecting covers 22 and diffusion covers 23. The bottom end of the flow collecting cover 22 and the annular cavity 21 at the bottom end thereof are spaced apart, and the bottom end of the diffusion cover 23 and the inner wall of the pressure reducing tank 1 are spaced apart. The bottom end of the flow collecting cover 22 and the annular cavity 21 at the bottom end thereof are spaced apart, and the bottom end of the diffusion cover 23 and the inner wall of the pressure reducing tank 1 are spaced apart. It should be noted that the top end of the flow collecting cover 22 is located below the liquid inlet pipe 11, and the bottom end of the liquid outlet pipe 12 is arranged as the diffusion cover 23. In this way, the liquid will form a zigzag path between multiple flow collecting covers 22, annular cavities 21 and diffusion covers 23. By increasing the flow path of the liquid, the heating area of the liquid is increased.

[0031] As shown in Figures 2-4As shown, a plurality of first annular grooves 221 are equidistantly arranged in the upper end surface of the manifold 22, and a plurality of manifold grooves 222 are uniformly arranged in the circumferential direction of the upper end surface of the manifold 22, and the plurality of manifold grooves 222 are respectively communicated with the plurality of first annular grooves 221, a plurality of second annular grooves 231 are equidistantly arranged in the upper end surface of the diffuser cover 23, and a plurality of diffusion grooves 232 are uniformly arranged in the circumferential direction of the upper end surface of the diffuser cover 23, and the plurality of diffusion grooves 232 are respectively communicated with the plurality of second annular grooves 231, it can be understood that when the liquid medicine flows to the upper end surface of the manifold 22, the plurality of manifold grooves 222 and the plurality of first annular grooves 221 which are communicated with each other will make the liquid medicine on the upper end surface of the manifold 22 as evenly distributed as possible, and similarly, when the liquid medicine flows to the upper end surface of the diffuser cover 23, the plurality of diffusion grooves 232 and the plurality of second annular grooves 231 which are communicated with each other will make the liquid medicine on the upper end surface of the diffuser cover 23 as evenly distributed as possible, in this way, the heating area of the liquid medicine is further increased, and the uniformly distributed liquid medicine has improved heating effect.

[0032] As shown in Figure 2 and Figure 4 The inside of the steam flow pipe 14 is coaxially fixed with an intercepting assembly 3, the intercepting assembly 3 includes a positioning ring 31 fixed to the inner wall of the steam flow pipe 14, the positioning ring 31 is coaxially fixed with a support rod 32, a plurality of intercepting pieces 33 are uniformly sleeved on the support rod 32, and the plurality of intercepting pieces 33 correspond to and are located in the annular cavities 21.

[0033] It can be understood that the steam enters from the bottom end of the steam flow pipe 14 and flows out from the top end of the steam flow pipe 14 under the action of the direction of the exhaust fan 151, in this process, under the action of the intercepting pieces 33 in the annular cavities 21, the steam will dissipate into the annular cavities 21, this design ensures that the inside of the annular cavities 21 will continuously have steam, avoids the replacement of new and old steam in the annular cavities 21, and ensures the uniformity of the heat in the entire pressure reducing tank 1 and the uniform heating of the liquid medicine.

[0034] This design of the entire device inputs the liquid medicine to be concentrated into the inside of the pressure reducing tank 1 through the liquid inlet pipe 11, and then the liquid medicine forms a zigzag path between the plurality of manifolds 22, annular cavities 21 and diffuser covers 23 and flows downward, in this process, the continuous steam in the steam flow pipe 14 and the continuous replacement of steam in the annular cavities 21 will increase the heating area of the liquid medicine and improve the heating effect, a part of the liquid medicine will be vaporized into mist after being heated at low pressure and will be discharged from the mist discharge pipe 162 at the top end, which ensures the efficiency and effect of the concentration of the liquid medicine in the entire pressure reducing tank 1 and avoids the influence of the diffusion of steam in the pressure reducing tank 1 on the concentration of the liquid medicine.

[0035] It should be noted that the specific model and specifications of the vacuum pump 13 and the exhaust fan 151 need to be determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0036] The above only is the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A drug concentration device, comprising a pressure reducing tank (1), wherein a drug inlet pipe (11), a drug outlet pipe (12), and a vacuum pump (13) are respectively provided on the side wall of the pressure reducing tank (1), the drug inlet pipe (11) is located at the top of the side wall, the drug outlet pipe (12) is located at the bottom of the side wall, and a steam flow pipe (14) is coaxially arranged inside the pressure reducing tank (1) and extends through both the top and bottom ends, wherein an exhaust box (15) is provided at the top of the steam flow pipe (14), characterized in that: The top of the pressure reducing tank (1) is provided with a liquid mist discharge end (16). Multiple sets of flow guiding components (2) are evenly fitted inside the steam flow pipe (14) located within the pressure reducing tank (1). Each flow guiding component (2) includes an annular cavity (21) connected to the steam flow pipe (14). An upward-opening manifold (22) and a downward-opening diffuser (23) are respectively provided on the upper and lower sides of the annular cavity (21). The manifold (22) is fixed to the inner wall of the pressure reducing tank (1). The diffuser... The cover (23) is fixed to the bottom end of the annular cavity (21). An interception assembly (3) is coaxially fixed inside the steam flow pipe (14). The interception assembly (3) includes a positioning ring (31) fixed to the inner wall of the steam flow pipe (14). A support rod (32) is coaxially fixed on the positioning ring (31). Multiple interception plates (33) are uniformly sleeved on the support rod (32). The multiple interception plates (33) correspond one-to-one with the multiple annular cavities (21) and are located inside the annular cavity (21).

2. The drug concentration apparatus as described in claim 1, characterized in that, The pressure reducing tank (1) has a baffle (121) fixed to its inner bottom. The liquid outlet pipe (12) is located on the upper side of the baffle (121). The steam flow pipe (14) passes through the baffle (121).

3. The drug concentration apparatus as described in claim 1, characterized in that, The liquid mist discharge end (16) includes a mist collection hood (161) fixed to the top of the pressure reducing tank (1) and a mist discharge pipe (162) that communicates with the mist collection hood (161) and extends out of the pressure reducing tank (1).

4. The drug concentration apparatus as described in claim 1, characterized in that, Multiple annular cavities (21) are uniformly fitted onto the steam flow pipe (14) and connected to the steam flow pipe (14). The cross-section of the annular cavity (21) is flat and round.

5. A drug concentration apparatus as described in claim 1, characterized in that, An annular cavity (21) is provided between two adjacent manifolds (22) and diffusers (23).

6. A drug concentration apparatus as described in claim 1, characterized in that, A gap is left between the bottom end of the manifold (22) and the annular cavity (21) at its bottom end, and a gap is left between the bottom end of the diffuser (23) and the inner wall of the pressure reducing tank (1).

7. A drug concentration apparatus as described in claim 1, characterized in that, The upper end face of the manifold (22) is provided with a plurality of first annular grooves (221) at equal intervals, and the upper end face of the manifold (22) is provided with a plurality of manifold grooves (222) in a uniform circumferential direction, and the plurality of manifold grooves (222) are respectively connected to the plurality of first annular grooves (221).

8. A drug concentration apparatus as described in claim 1, characterized in that, The upper end face of the diffusion cover (23) is provided with a plurality of second annular grooves (231) at equal intervals, and the upper end face of the diffusion cover (23) is provided with a plurality of diffusion grooves (232) in a uniform circumferential direction, and the plurality of diffusion grooves (232) are respectively connected to the plurality of second annular grooves (231).

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