Two-stage mechanical vapor recompression (MVR) evaporator

Abstract

The two-stage MVR evaporator comprises a shell body, an inner container body is welded to the inner wall of one side of the shell body, a top cover is installed on the outer wall of the top of the shell body through bolts, and a condensation shell is installed on the inner wall of the top of the top cover through bolts; the outer wall of the bottom of the condensation shell is provided with a plurality of connecting frames through bolts, the outer walls of the bottoms of the connecting frames are provided with a liquid collecting shell through bolts, the liquid collecting shell is located below the condensation shell, and a guide pipe is welded to the outer wall of the bottom of the liquid collecting shell and penetrates out of the shell body. An exhaust pipe is welded to the outer wall of one side of the shell body and located above the guide pipe. Through the arrangement of the condensing shell, the connecting frame and the liquid collecting shell, rising steam can be condensed and collected in the using process, the situation that the steam falls into the evaporator again can be reduced in the using process, and the evaporation quality can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of evaporators, and in particular relates to a two-stage MVR evaporator. Background Art

[0002] MVR evaporator is a new type of high-efficiency and energy-saving evaporation equipment mainly used in the pharmaceutical industry. The equipment uses low-temperature and low-pressure steaming technology and clean energy as energy to generate steam and separate the water in the medium. It is an internationally advanced evaporation technology and an upgraded product to replace traditional evaporators.

[0003] In the current MVR evaporator, during use, the condensed liquid easily falls back into the raw material, which reduces the evaporation effect of the raw material. It is necessary to design a two-stage MVR evaporator to solve the above problem. Utility Model Content

[0004] The purpose of the present invention is to provide a two-stage MVR evaporator to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a two-stage MVR evaporator, comprising an outer shell body, an inner liner body welded on the inner wall of one side of the outer shell body, and a top cover is installed on the top outer wall of the outer shell body by bolts, a condensing shell is installed on the top inner wall of the top cover by bolts, and a number of connecting frames are installed on the bottom outer wall of the condensing shell by bolts, a liquid collecting shell is installed on the bottom outer wall of the connecting frame by bolts, and the liquid collecting shell is located below the condensing shell, a guide pipe is welded on the bottom outer wall of the liquid collecting shell, and the guide pipe extends to the outside of the outer shell body, an exhaust pipe is welded on the outer wall of one side of the outer shell body, and the exhaust pipe is located above the guide pipe, an insulation cavity is provided between the outer shell body and the inner liner body, and the interior of the insulation cavity is filled with insulation cotton, and a discharge pipe is welded on the bottom outer wall of the outer shell body.

[0006] Preferably, a feed shell is opened on one side outer wall of the outer shell body, and the feed shell passes through the interior of the inner liner body.

[0007] Preferably, a fixing seat is mounted on the top outer wall of the top cover via bolts, and a driving motor is mounted on the top outer wall of the fixing seat via bolts.

[0008] Preferably, the output end of the driving motor passes through the interior of the inner container body, and the output end of the driving motor is key-connected to a transmission rod.

[0009] Preferably, a plurality of stirring rods are welded on an outer wall of one side of the transmission rod, and a stirring head is welded on one end of the stirring rod away from the transmission rod.

[0010] Preferably, a fixing rod is welded on the inner wall of one side of the liner body, and an auxiliary propeller is welded on the outer wall of one end of the fixing rod.

[0011] Preferably, support legs are welded to the bottom outer wall of the shell body, and buffer pads are bonded to the bottom outer wall of the support legs.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model is provided with a condensing shell, a connecting frame and a liquid collecting shell, which can condense and collect the rising steam during use, and can reduce the steam from falling into the interior of the evaporator again during use, which is beneficial to improving the quality of evaporation.

[0014] 2. The utility model is provided with a stirring head and a secondary paddle, which can stir the material inside the inner tank body during use, and can make the heating of the raw materials more uniform during use, thereby improving the heating effect of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a side structural sectional view of the utility model;

[0017] Figure 3 This is a side structural sectional view of the top cover of the utility model;

[0018] In the figure: 1. Outer shell; 2. Inner tank body; 3. Top cover; 4. Condensation shell; 5. Connecting frame; 6. Liquid collecting shell; 7. Guide pipe; 8. Insulation chamber; 9. Exhaust pipe; 10. Feed shell; 11. Fixed seat; 12. Drive motor; 13. Transmission rod; 14. Stirring rod; 15. Stirring head; 16. Fixed rod; 17. Auxiliary paddle; 18. Discharge pipe; 19. Support leg; 20. Cushion pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example 1:

[0021] See also Figures 1 to 3The utility model provides a technical solution: a two-stage MVR evaporator, comprising an outer shell body 1, an inner tank body 2 is welded on the inner wall of one side of the outer shell body 1, and a top cover 3 is installed on the top outer wall of the outer shell body 1 by bolts, a condensing shell 4 is installed on the top inner wall of the top cover 3 by bolts, and a plurality of connecting frames 5 are installed on the bottom outer wall of the condensing shell 4 by bolts, a liquid collecting shell 6 is installed on the bottom outer wall of the connecting frame 5 by bolts, and the liquid collecting shell 6 is located below the condensing shell 4, a guide pipe 7 is welded on the bottom outer wall of the liquid collecting shell 6, and the guide pipe 7 passes through the outside of the outer shell body 1, an exhaust pipe 9 is welded on the outer wall of one side of the outer shell body 1, and the exhaust pipe 9 is located above the guide pipe 7, an insulation chamber 8 is provided between the outer shell body 1 and the inner tank body 2, and the interior of the insulation chamber 8 is filled with insulation cotton, and a discharge pipe 18 is welded on the bottom outer wall of the outer shell body 1.

[0022] From the above description, it can be seen that the utility model has the following beneficial effects: through the provision of the condensing shell 4, the connecting frame 5 and the liquid collecting shell 6, the rising steam can be condensed and collected during use, and the steam can be reduced from falling into the interior of the evaporator again during use, which is beneficial to improving the quality of evaporation.

[0023] Example 2:

[0024] See also Figures 1 to 3 As shown, based on the first embodiment, the present invention provides a technical solution: a feed shell 10 is opened on the outer wall of one side of the outer shell body 1, and the feed shell 10 passes through the interior of the inner liner body 2, and a support leg 19 is welded on the bottom outer wall of the outer shell body 1, and a buffer pad 20 is bonded to the bottom outer wall of the support leg 19.

[0025] Further, see Figures 1 to 3 A fixing seat 11 is installed on the top outer wall of the top cover 3 by bolts, and a driving motor 12 is installed on the top outer wall of the fixing seat 11 by bolts; the output end of the driving motor 12 passes through the interior of the inner tank body 2, and the output end of the driving motor 12 is keyed to a transmission rod 13; a plurality of stirring rods 14 are welded on the outer wall of one side of the transmission rod 13, and a stirring head 15 is welded on the end of the stirring rod 14 away from the transmission rod 13; a fixing rod 16 is welded on the inner wall of one side of the inner tank body 2, and a secondary paddle 17 is welded on the outer wall of one end of the fixing rod 16.

[0026] By adopting the above technical solution, the stirring head 15 and the auxiliary paddle 17 are set, which can stir the material inside the inner tank body 2 during use, make the heating of the raw materials more uniform during use, and improve the heating effect of the raw materials.

[0027] The working principle and usage process of the present invention are as follows: when in use, the staff inputs the material into the inner tank body 2 through the feed shell 10, and when in use, the output end of the driving motor 12 is rotated to drive the transmission rod 13 to rotate, and during the rotation of the transmission rod 13, the stirring rod 14 is driven to rotate, and during the rotation of the stirring rod 14, the material inside the inner tank body 2 is stirred, so that the material can be heated more evenly during use. When in use, the steam enters the interior of the condensation shell 4 and condenses on the bottom inner wall of the condensation shell 4, and then the condensed water enters the interior of the liquid collection shell 6, and then the condensed water enters the interior of the guide pipe 7, so that the condensed water can be guided and collected during use.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0029] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A two-stage MVR evaporator, comprising a housing body (1), characterized in that: An inner tank body (2) is welded to an inner wall of one side of the outer shell body (1), and a top cover (3) is mounted on the top outer wall of the outer shell body (1) by means of bolts, a condensation shell (4) is mounted on the top inner wall of the top cover (3) by means of bolts, and a plurality of connecting frames (5) are mounted on the bottom outer wall of the condensation shell (4) by means of bolts, a liquid collecting shell (6) is mounted on the bottom outer wall of the connecting frame (5) by means of bolts, and the liquid collecting shell (6) is located below the condensation shell (4). A guide tube (7) is welded on the bottom outer wall of the liquid collecting shell (6), and the guide tube (7) extends to the outside of the outer shell body (1). An exhaust pipe (9) is welded on one side outer wall of the outer shell body (1), and the exhaust pipe (9) is located above the guide tube (7). A heat preservation cavity (8) is provided between the outer shell body (1) and the inner tank body (2), and the interior of the heat preservation cavity (8) is filled with heat preservation cotton. A discharge pipe (18) is welded on the bottom outer wall of the outer shell body (1).

2. A two-stage MVR evaporator according to claim 1, characterized in that: A feed shell (10) is formed on one side outer wall of the outer shell body (1), and the feed shell (10) penetrates into the interior of the inner liner body (2).

3. The two-stage MVR evaporator according to claim 1, characterized in that: A fixing seat (11) is mounted on the top outer wall of the top cover (3) via bolts, and a driving motor (12) is mounted on the top outer wall of the fixing seat (11) via bolts.

4. The two-stage MVR evaporator according to claim 3, characterized in that: The output end of the driving motor (12) penetrates into the interior of the inner container body (2), and the output end of the driving motor (12) is key-connected with a transmission rod (13).

5. The two-stage MVR evaporator according to claim 4, characterized in that: A plurality of stirring rods (14) are welded on an outer wall of one side of the transmission rod (13), and a stirring head (15) is welded on one end of the stirring rod (14) away from the transmission rod (13).

6. The two-stage MVR evaporator according to claim 5, characterized in that: A fixing rod (16) is welded on the inner wall of one side of the liner body (2), and an auxiliary paddle (17) is welded on the outer wall of one end of the fixing rod (16).

7. The two-stage MVR evaporator according to claim 1, characterized in that: A support leg (19) is welded to the bottom outer wall of the shell body (1), and a buffer pad (20) is bonded to the bottom outer wall of the support leg (19).

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