Ultralow-temperature freeze concentration device for Qinqiao oral liquid

Abstract

The ultra-low-temperature freeze concentration device comprises a raw material storage tank, a crystallizing tank, a dissolving tank and a concentrated solution storage tank, a first crystallizing chamber and a second crystallizing chamber are arranged in the crystallizing tank, a first filter and a first ice residue discharging opening are arranged at the bottom of the first crystallizing chamber, and a second filter is arranged at the bottom of the second crystallizing chamber; the crystallizing tank is provided with a first stirrer and a second ice residue discharging opening, the first stirrer is provided with a first scraper blade in the first crystallizing chamber, the first stirrer is provided with a second scraper blade in the second crystallizing chamber, the concentrated solution storage tank is provided with a second stirrer, a first circulating pump is arranged between the raw material storage tank and the crystallizing tank, and a second circulating pump is arranged between the crystallizing tank and the dissolving tank; a third circulating pump is arranged between the dissolving tank and the concentrated solution storage tank, and the whole production process is operated at low temperature, so that the product quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of Qinqiao oral liquid production, and specifically relates to an ultra-low temperature freezing and concentrating device for Qinqiao oral liquid. Background Art

[0002] Qinqiao oral liquid is a traditional Chinese medicine oral liquid, usually used to treat symptoms caused by colds, especially wind-heat type colds or flu symptoms. In the production process of Qinqiao oral liquid, especially in the concentration stage, the stability of the active substances needs to be controlled, and the content of the active substances directly affects the quality of the finished product.

[0003] In the extraction process of the existing technology, the extract is often concentrated after heat exchange through single-effect, double-effect, MVR, etc. Since heat needs to be provided during the concentration process, it is not conducive to the concentration of the extract containing heat-sensitive substances. The production cycle is long, which not only causes waste, but also makes it difficult to meet the needs of modern production. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides an ultra-low temperature freezing concentration device for Qinqiao oral liquid to solve the technical problems mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a Qinqiao oral liquid ultra-low temperature freezing concentration device, comprising a raw material storage tank, a crystallization tank, a dissolving tank and a concentrated liquid storage tank, wherein a first crystallization chamber and a second crystallization chamber are arranged in the crystallization tank, a first filter and a first ice residue row port are arranged at the bottom of the first crystallization chamber, a second filter is arranged at the bottom of the second crystallization chamber, a first agitator and a second ice residue row port are arranged on the crystallization tank, the first agitator is provided with a first scraper in the first crystallization chamber, the first agitator is provided with a second scraper in the second crystallization chamber, a second agitator is provided on the concentrated liquid storage tank, a first circulation pump is arranged between the raw material storage tank and the crystallization tank, a second circulation pump is arranged between the crystallization tank and the dissolving tank, and a third circulation pump is arranged between the dissolving tank and the concentrated liquid storage tank.

[0006] The utility model is further configured such that a first refrigerant inlet and a first refrigerant outlet are provided on both sides of the first crystallization chamber, a first inlet valve is provided on the first refrigerant inlet, and a first outlet valve is provided on the first refrigerant outlet, so as to facilitate precooling of the first crystallization chamber.

[0007] The utility model is further configured such that a second refrigerant inlet and a second refrigerant outlet are provided on both sides of the second crystallization chamber, a second inlet valve is provided on the second refrigerant inlet, and a second outlet valve is provided on the second refrigerant outlet, so as to facilitate precooling of the second crystallization chamber.

[0008] The utility model is further configured that the dissolving tank is provided with a heat medium inlet and a heat medium outlet, so as to facilitate heating the heat medium for preheating.

[0009] The utility model is further configured such that the raw material storage tank is provided with a first material valve, the crystallization tank is provided with a second material valve, and the dissolving tank is provided with a third material valve, so as to facilitate the discharge of materials from the raw material storage tank, the crystallization tank and the dissolving tank.

[0010] The utility model is further configured such that the first material valve, the second material valve and the third material valve are all connected to the feed end of the first circulation pump, and the discharge end of the first circulation pump is connected to the feed end of the crystallization tank, so as to facilitate the circulation of the extract, repeatedly concentrate it, and improve the product quality.

[0011] The utility model is further configured such that the first row of ice debris outlets and the second row of ice debris outlets are both connected to the feed end of the second circulation pump, and the discharge end of the second circulation pump is connected to the feed end of the dissolution tank, so as to facilitate pumping the crystallized ice into the dissolution tank.

[0012] The utility model is further configured such that the second material valve is connected to the feed end of the third circulation pump, and the discharge end of the third circulation pump is connected to the feed end of the concentrated liquid storage tank, so as to facilitate pumping qualified concentrated liquid into the concentrated liquid storage tank.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The extract continuously forms ice crystals on the inner wall of the first crystallization chamber and the second crystallization chamber, and the ice crystals are continuously scraped off by the first scraper and the second scraper. The liquid medicine mixed with ice crystals is filtered through the first filter and the second filter. The concentrated liquid after the liquid medicine mixed with ice crystals is filtered through the first filter and the second filter is pumped into the first crystallization chamber through the first circulation pump for circulation and concentration again. The ice crystals above the first filter and the second filter are discharged through the ice discharge port under the rotation of the first scraper and the second scraper. The ice crystals discharged through the ice discharge port are pumped into the crystal ice melting tank through the second circulation pump. After being melted, they are pumped into the first crystallization chamber through the first circulation pump for circulation and concentration again. The qualified concentrated liquid is pumped into the concentrated liquid storage tank through the third circulation pump to complete the concentration. The entire production process is operated at low temperature, which ensures product quality and meets production requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of an ultra-low temperature freezing concentration device for Qinqiao oral liquid in the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the crystallization tank in the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the dissolving tank in the utility model.

[0018] In the figure: 1. raw material storage tank; 2. crystallization tank; 3. dissolving tank; 4. concentrate storage tank; 5. first crystallization chamber; 6. second crystallization chamber; 7. first filter; 8. first ice residue outlet; 9. second filter; 10. first agitator; 11. second ice residue outlet; 12. first scraper; 13. second scraper; 14. second agitator; 15. first circulation pump; 16. second circulation pump; 17. third circulation pump; 18. first refrigerant inlet; 19. first refrigerant outlet; 20. first inlet valve; 21. first outlet valve; 22. second refrigerant inlet; 23. second refrigerant outlet; 24. second inlet valve; 25. second outlet valve; 26. heat medium inlet; 27. heat medium outlet; 28. first material valve; 29. ​​second material valve; 30. third material valve. DETAILED DESCRIPTION

[0019] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0021] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0022] See also Figure 1-3A Qinqiao oral liquid ultra-low temperature freezing concentration device comprises a raw material storage tank 1, a crystallization tank 2, a dissolving tank 3 and a concentrated liquid storage tank 4, wherein a first crystallization chamber 5 and a second crystallization chamber 6 are arranged in the crystallization tank 2, a first filter 7 and a first ice residue discharge port 8 are arranged at the bottom of the first crystallization chamber 5, a second filter 9 is arranged at the bottom of the second crystallization chamber 6, a first agitator 10 and a second ice residue discharge port 11 are arranged on the crystallization tank 2, the first agitator 10 is provided with a first scraper 12 in the first crystallization chamber 5, the first agitator 10 is provided with a second scraper 13 in the second crystallization chamber 6, a second agitator 14 is arranged on the concentrated liquid storage tank 4, a first circulation pump 15 is arranged between the raw material storage tank 1 and the crystallization tank 2, a second circulation pump 16 is arranged between the crystallization tank 2 and the dissolving tank 3, a third circulation pump 17 is arranged between the dissolving tank 3 and the concentrated liquid storage tank 4, a first refrigerant inlet 18 and a first refrigerant outlet 19 are arranged on both sides of the first crystallization chamber 5, a first inlet valve 20 is arranged on the first refrigerant inlet 18, and a first refrigerant outlet 19 is arranged on the first refrigerant outlet 19. A first outlet valve 21 is provided on the port 19, a second refrigerant inlet 22 and a second refrigerant outlet 23 are provided on both sides of the second crystallization chamber 6, a second inlet valve 24 is provided on the second refrigerant inlet 22, a second outlet valve 25 is provided on the second refrigerant outlet 23, a heat medium inlet 26 and a heat medium outlet 27 are provided on the dissolving tank 3, a first material valve 28 is provided on the raw material storage tank 1, a second material valve 29 is provided on the crystallization tank 2, and a third material valve 30 is provided on the dissolving tank 3. The first material valve 28, the second material valve 29 and the third material valve 30 are all connected to the feed end of the first circulating pump 15, and the discharge end of the first circulating pump 15 is connected to the feed end of the crystallization tank 2. The first ice slag discharge port 8 and the second ice slag discharge port 11 are both connected to the feed end of the second circulating pump 16, and the discharge end of the second circulating pump 16 is connected to the feed end of the dissolving tank 3. The second material valve 29 is connected to the feed end of the third circulating pump 17, and the discharge end of the third circulating pump 17 is connected to the feed end of the concentrated liquid storage tank 4.

[0023] In the present embodiment, when performing the freeze concentration process, the refrigerant is added into the interlayer of the crystallization tank 2 through the first refrigerant inlet 18 and the second refrigerant inlet 22 for precooling, and the heat medium is introduced into the interlayer of the dissolution tank 3 through the heat medium inlet 26 for preheating, the first material valve 28 and the first agitator 10 are opened, and the first circulation pump 15 pumps the extract in the raw material storage tank 1 into the first crystallization chamber 5 of the crystallization tank 2. After the extract enters the first crystallization chamber 5, it is cooled and rapidly forms ice crystals on the inner wall of the crystallization chamber. The ice crystals are continuously scraped down into the first crystallization chamber 5 by the first scraper 12, and the medicinal solution mixed with ice crystals is filtered into the second crystallization chamber 6 through the first filter 7. The ice crystals above the first filter 7 are discharged through the first ice residue outlet 8 when the first scraper 12 is rotating, and enter the second crystallization chamber 6. After the filtrate in chamber 6 is cooled by the second crystallization chamber 6, ice crystals are continuously formed on the inner wall of the crystallization chamber. The ice crystals are continuously scraped down into the chamber by the second scraper 13. The concentrated liquid after the medicinal liquid mixed with ice crystals is filtered by the second filter 9 is pumped into the first crystallization chamber 5 through the first circulation pump 15 for circulation and concentration again, or enters the concentrated liquid storage tank 4 through the third circulation pump 17 after the concentration is qualified. The ice crystals above the second filter 9 are discharged through the second ice residue outlet 11 when the second scraper 13 is rotating. The ice crystals discharged through the first ice residue outlet 8 and the second ice residue outlet 11 are entered into the crystal ice dissolving tank 3 through the second circulation pump 16. The melted extract is pumped into the first crystallization chamber 5 through the first circulation pump 15 for circulation and concentration again. The qualified concentrated liquid is pumped into the concentrated liquid storage tank 4 through the third circulation pump 17 to complete the concentration.

[0024] In summary: when performing the freeze concentration process, the refrigerant is added to the interlayer of the crystallization tank 2 through the first refrigerant inlet 18 and the second refrigerant inlet 22 for precooling, and the heat medium is introduced into the interlayer of the dissolution tank 3 through the heat medium inlet 26 for preheating, the first material valve 28 and the first agitator 10 are opened, and the first circulation pump 15 pumps the extract in the raw material storage tank 1 into the first crystallization chamber 5 of the crystallization tank 2. After the extract enters the first crystallization chamber 5, it is cooled and rapidly forms ice crystals on the inner wall of the crystallization chamber. The ice crystals are continuously scraped down by the first scraper 12 into the first crystallization chamber 5, and the liquid medicine mixed with ice crystals is filtered into the second crystallization chamber 6 through the first filter 7. The ice crystals above the first filter 7 are discharged through the first ice residue outlet 8 when the first scraper 12 is rotating, and enter the second crystallization chamber 6. After the filtrate is cooled in the second crystallization chamber 6, ice crystals are continuously formed on the inner wall of the crystallization chamber. The ice crystals are continuously scraped down into the chamber by the second scraper 13. The concentrated liquid after the liquid mixed with ice crystals is filtered by the second filter 9 is pumped into the first crystallization chamber 5 through the first circulation pump 15 for circulation and concentration again, or enters the concentrated liquid storage tank 4 through the third circulation pump 17 after the concentration is qualified. The ice crystals above the second filter 9 are discharged through the second ice residue outlet 11 when the second scraper 13 is rotating. The ice crystals discharged through the first ice residue outlet 8 and the second ice residue outlet 11 are entered into the crystal ice dissolving tank 3 through the second circulation pump 16. The melted extract is pumped into the first crystallization chamber 5 through the first circulation pump 15 for circulation and concentration again. The qualified concentrated liquid is pumped into the concentrated liquid storage tank 4 through the third circulation pump 17 to complete the concentration.

[0025] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A Qinqiao oral liquid ultra-low temperature freezing concentration device, comprising a raw material storage tank (1), a crystallization tank (2), a dissolution tank (3) and a concentrated liquid storage tank (4), characterized in that: The crystallization tank (2) is provided with a first crystallization chamber (5) and a second crystallization chamber (6); the first crystallization chamber (5) is provided with a first filter (7) and a first ice residue discharge port (8) at the bottom; the second crystallization chamber (6) is provided with a second filter (9) at the bottom; the crystallization tank (2) is provided with a first agitator (10) and a second ice residue discharge port (11); the first agitator (10) is provided with a first scraper (12) in the first crystallization chamber (5); the first agitator (10) is provided with a second scraper (13) in the second crystallization chamber (6); the concentrated liquid storage tank (4) is provided with a second agitator (14); a first circulation pump (15) is provided between the raw material storage tank (1) and the crystallization tank (2); a second circulation pump (16) is provided between the crystallization tank (2) and the dissolution tank (3); and a third circulation pump (17) is provided between the dissolution tank (3) and the concentrated liquid storage tank (4).

2. The ultra-low temperature freezing concentration device for Qinqiao oral liquid according to claim 1, characterized in that: A first refrigerant inlet (18) and a first refrigerant outlet (19) are provided on both sides of the first crystallization chamber (5); a first inlet valve (20) is provided on the first refrigerant inlet (18), and a first outlet valve (21) is provided on the first refrigerant outlet (19).

3. The ultra-low temperature freezing concentration device for Qinqiao oral liquid according to claim 1, characterized in that: A second refrigerant inlet (22) and a second refrigerant outlet (23) are provided on both sides of the second crystallization chamber (6); a second inlet valve (24) is provided on the second refrigerant inlet (22), and a second outlet valve (25) is provided on the second refrigerant outlet (23).

4. The ultra-low temperature freezing concentration device for Qinqiao oral liquid according to claim 1, characterized in that: The dissolving tank (3) is provided with a heat medium inlet (26) and a heat medium outlet (27).

5. The ultra-low temperature freezing concentration device for Qinqiao oral liquid according to claim 1 is characterized in that: The raw material storage tank (1) is provided with a first material valve (28), the crystallization tank (2) is provided with a second material valve (29), and the dissolving tank (3) is provided with a third material valve (30).

6. The ultra-low temperature freezing concentration device for Qinqiao oral liquid according to claim 5, characterized in that: The first material valve (28), the second material valve (29) and the third material valve (30) are all connected to the feed end of the first circulation pump (15), and the discharge end of the first circulation pump (15) is connected to the feed end of the crystallization tank (2).

7. The ultra-low temperature freezing concentration device for Qinqiao oral liquid according to claim 5, characterized in that: The first ice residue discharge port (8) and the second ice residue discharge port (11) are both connected to the feed end of the second circulation pump (16), and the discharge end of the second circulation pump (16) is connected to the feed end of the dissolution tank (3).

8. The ultra-low temperature freezing concentration device for Qinqiao oral liquid according to claim 5, characterized in that: The second material valve (29) is connected to the feed end of the third circulation pump (17), and the discharge end of the third circulation pump (17) is connected to the feed end of the concentrated liquid storage tank (4).

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