CN218306188U - Spray drying system of antibacterial peptide - Google Patents

Abstract

The utility model discloses an antibiotic peptide's spray drying system, including zymotic fluid charge pump, and centrifugal spray drying device, be connected with main splitter at centrifugal spray drying device discharge end, be connected with dry-type dust remover in main splitter one side, discharge gate at main splitter is connected with the dry powder conveyer pipe, tail end at the dry powder conveyer pipe is equipped with material collecting equipment, top at centrifugal spray drying device is equipped with heating device, heating device's air inlet end is connected with waste heat recovery device, be equipped with the discharging equipment who is connected with waste heat recovery device in waste heat recovery device one side, the utility model aims at providing a set up waste heat recovery device through the air inlet end at the natural gas heating furnace, give the scheme that gets into normal atmospheric temperature air in the natural gas heating furnace through the waste heat recovery device heat transfer with drying tower exhaust hot-gas, can reach the effect that makes the natural gas heating furnace blow in the hot-blast rapid heating up of drying tower, can effectively reduce the consumption of natural gas.

Description

Spray drying system of antibacterial peptide

Technical Field

The utility model relates to an antibacterial peptide production facility field especially relates to an antibacterial peptide's spray drying system.

Background

The antimicrobial peptide produced by the microorganism has the characteristics of small molecular weight, good water solubility, strong heat resistance, wide antimicrobial spectrum and the like, becomes a novel antibacterial, antiviral and anticancer drug with high efficiency, low toxicity and no residual hazard, and has wide application in the aspects of industry, agriculture, animal husbandry, medicine and the like in recent years. The antibacterial peptide has better selective bactericidal effect, so the antibacterial peptide is not only suitable for general feeds, but also suitable for biological feeds and the like; meanwhile, the use of the feed can reduce the sterilization temperature of the feed and reduce the heat treatment time, thereby maintaining the original nutritive value and flavor of the feed.

In the production process of the antibacterial peptide, fermentation equipment is required to be used for fermentation at first, separation and drying are required to be carried out from fermentation liquor after the fermentation is finished, and the conventional bacteria powder separation process of the antibacterial peptide comprises a membrane separation process and a centrifugal separation process, wherein separation equipment used in the membrane separation process has high investment and high cleaning cost, so that many producers prefer to adopt the centrifugal separation equipment to realize the separation of concentrated solution of the antibacterial peptide. After the concentrated solution of the antimicrobial peptide is separated from the fermentation liquor, the most important thing is to dry the concentrated solution to form the required antimicrobial peptide dry powder, and the storage time of the dried antimicrobial peptide dry powder can be greatly prolonged.

At present, centrifugal spray drying equipment is mostly adopted for drying the antibacterial peptide fermentation liquor. The centrifugal spray drying equipment uses combustion natural gas to heat air as a drying heat source, when the centrifugal spray drying equipment heats and dries bacteria liquid, the initial temperature is difficult to rise to the required temperature, a large amount of heat is needed to heat the drying equipment in the period, the consumption of energy is large, and the centrifugal spray drying equipment is easy to generate a large amount of powder raising and fermentation smell in the drying process, so that the environment is polluted. Therefore, existing centrifugal spray drying equipment needs further optimization.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can energy-conservation, rapid heating up, and the spray drying system of the antibiotic peptide of environmental protection efficient.

In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides a spray drying system of antibiotic peptide, including zymotic fluid charge pump to and centrifugal spray drying device, the discharge gate of zymotic fluid charge pump pass through the inlet pipe with centrifugal spray drying device's feed inlet is connected its characterized in that: the centrifugal spray drying device comprises a centrifugal spray drying device and is characterized in that a main separation device is connected to one side of the discharge end of the centrifugal spray drying device, a dry dust collector is connected to one side of the main separation device through a dust extraction pipe, a dry powder conveying pipe is connected to a discharge outlet of the main separation device, a dust exhaust end at the bottom of the dry dust collector is connected to the dry powder conveying pipe through a first pipeline, a material receiving device is arranged at the tail end of the dry powder conveying pipe, a freeze dehumidifier is arranged at the head end of the dry powder conveying pipe, a heating device capable of blowing hot air into the centrifugal spray drying device is arranged at the top of the centrifugal spray drying device, a waste heat recovery device is connected to an air inlet end of the heating device, an air outlet end of the waste heat recovery device is connected to an air inlet end of the heating device through an air inlet pipeline, one side of the dry dust collector is connected to the waste heat recovery device through a second pipeline, and a discharge device connected to the waste heat recovery device is arranged on one side of the waste heat recovery device.

As the utility model discloses a furtherly scheme, centrifugal spray drying device is including the drying tower top is equipped with the centrifugal atomization ware of bottom discharge mouth and drying tower inner chamber intercommunication, the feed inlet of centrifugal atomization ware with the inlet pipe is connected.

As a further aspect of the present invention, the main separation device includes at least one large cyclone separator, the top feed inlet of the large cyclone separator is connected to the bottom discharge outlet of the drying tower through the separator feed pipe, and one end of the dust exhaust pipe is connected to the exhaust end of the large cyclone separator and the other end of the dust exhaust pipe is connected to the inlet of the dry dust collector.

As the utility model discloses preferred scheme, big cyclone's bottom discharge end intercommunication has the buffer, is equipped with the separator valve in the bottom exit of buffer, the export of separator valve through the third pipeline with the dry powder conveyer pipe is linked together.

As a further proposal, the dry type dust collector comprises a bag-type dust collector, the dust exhaust pipe is connected with the air inlet of the bag-type dust collector, and the air inlet end of the second pipeline is connected with the air outlet of the bag-type dust collector.

As the utility model discloses a further scheme, heating device is including installing the hot air distributor at drying tower top, hot air distributor's air-out end with the drying tower inner chamber is linked together hot air distributor's entrance connection has the natural gas heating furnace, the air-out end of intake stack is connected on the inlet end of natural gas heating furnace, be connected with the forced draught blower on the intake stack.

As a further scheme of the utility model, waste heat recovery device is including the casing be equipped with the heat transfer pipeline in the casing be equipped with air intake and air outlet respectively casing one side be equipped with the heat transfer pipeline is given vent to anger the delivery pipe that the end is connected mutually, the delivery pipe give vent to anger the end with discharging equipment's air inlet end is connected mutually, the end of giving vent to anger of second pipeline is connected on the air inlet of heat transfer pipeline be equipped with first draught fan on the second pipeline.

As a preferred embodiment of the present invention, the discharging device is a water film dust collector.

As the utility model discloses preferred scheme, receive the material equipment including connecting the little cyclone at the export of dry powder conveyer pipe, little cyclone's bottom is equipped with receives the material valve.

As the utility model discloses preferred scheme be equipped with the fourth pipeline on the big cyclone with little cyclone feed end is connected, be equipped with the second draught fan on the fourth pipeline.

To sum up, the utility model discloses for its beneficial effect of prior art is: one of the problems that the initial temperature is difficult to rise to the required temperature when the centrifugal spray drying equipment heats and dries the bacteria liquid is reduced, and further the consumption of natural gas can be effectively reduced; secondly, increase dry dust collector and arrange to external tail gas end and set up the water film dust remover, can reduce centrifugal spray drying equipment and can appear a large amount of raise powder easily in drying process, can dispel the fermentation smell in the dry tail gas simultaneously, reduce the circumstances of polluted environment.

Drawings

Fig. 1 is a view of the structure layout of the present invention.

Fig. 2 is a partial cross-sectional view of the present invention.

Fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a sectional view taken along line B-B of fig. 2.

Fig. 5 is an enlarged view at a in fig. 1.

Description of reference numerals: 1. a fermentation liquor feed pump; 2. a centrifugal spray drying device; 3. a primary separation device; 4. a dry dust collector; 5. a dry powder delivery pipe; 6. material receiving equipment; 7. a heating device; 8. a waste heat recovery device; 9. a discharge device; 11. A feed pipe; 21. A drying tower; 22. a centrifugal atomizer; 23. an oil cooler; 24. a nozzle cooling fan; 30. a fourth conduit; 31. a large cyclone separator; 32. a separator feed tube; 33. a dust extraction pipe; 34. a buffer; 35. a separator valve; 36. a third pipeline; 41. a first pipe; 42. a second pipe; 51. A refrigeration dehumidifier; 61. A small cyclone separator; 62 a material receiving valve; 63. a second induced draft fan; 71. a hot air distributor; 72. a natural gas heating furnace; 73. a blower; 80. an air inlet pipeline; 81. a housing; 82. a heat exchange conduit; 83. an air inlet; 84. an air outlet; 85. a discharge pipe; 211. a first air hammer; 231. an oil inlet pump; 232. an oil outlet pump; 233. a cooling water inlet; 234. a cooling water outlet; 311. a second air hammer; 421. a first induced draft fan.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, where possible, spatially relative terms, such as "below," "lower," "inside-out," "above," "upper" and the like in … are used for ease of describing the relationship of one element or feature to another element or feature in the drawings, and such spatial relationships include different orientations of the device in use or operation and the orientation depicted in the drawings. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings: fig. 1 to 5 show a spray drying system for antimicrobial peptides, which comprises a fermentation liquid feed pump 1 and a centrifugal spray drying device 2, wherein a discharge port of the fermentation liquid feed pump 1 is connected with a feed port of the centrifugal spray drying device 2 through a feed pipe 11, one side of a discharge end of the centrifugal spray drying device 2 is connected with a main separation device 3, one side of the main separation device 3 is connected with a dry dust collector 4 through a dust extraction pipe 33, a discharge port of the main separation device 3 is connected with a dry powder conveying pipe 5, a dust exhaust end at the bottom of the dry dust collector 4 is connected with the dry powder conveying pipe 5 through a first pipeline 41, a receiving device 6 is arranged at the tail end of the dry powder conveying pipe 5, a freezing dehumidifier 51 is arranged at the head end of the dry powder conveying pipe 5, a heating device 7 capable of blowing hot air into the centrifugal spray drying device 2 is arranged at the top of the centrifugal spray drying device 2, an air inlet end of the heating device 7 is connected with a waste heat recovery device 8, an air outlet end of the waste heat recovery device 8 is connected with an air inlet end of the heating device 7 through an air inlet pipeline 80, one side of the dry dust collector 4 is connected with a waste heat recovery device 8, and a waste heat recovery device 8 is connected with a waste heat recovery device 8 arranged at one side of the waste heat recovery device 9.

As shown in fig. 1 to 4, the centrifugal spray drying device 2 includes a drying tower 21, a centrifugal atomizer 22 having a bottom discharge port communicated with an inner cavity of the drying tower 21 is disposed at the top of the drying tower 21, a feed port of the centrifugal atomizer 22 is connected to the feed pipe 11, a first air hammer 211 is disposed on a tower body of the drying tower 21, an oil cooler 23 is connected to the centrifugal atomizer 22, the oil cooler 23 is provided with an oil inlet pump 231, an oil outlet pump 232, a cooling water inlet 233 and a cooling water outlet 234, and the centrifugal atomizer 22 is further connected to a nozzle cooling fan 24; the main separation equipment 3 comprises at least one large cyclone separator 31, a top feed inlet of the large cyclone separator 31 is communicated with a bottom discharge outlet of the drying tower 21 through a separator feed pipe 32, one end of a dust extraction pipe 33 is connected to an exhaust end of the large cyclone separator 31, the other end of the dust extraction pipe is connected to an inlet of the dry dust collector 4, a fourth pipeline 30 is arranged on the large cyclone separator 31 and is connected with a feed end of the small cyclone separator 61, a second induced draft fan 63 is arranged on the fourth pipeline 30, a second air hammer 311 is arranged on the outer wall of the large cyclone separator 31, a bottom discharge end of the large cyclone separator 31 is communicated with a buffer 34 in the embodiment, a separator valve 35 is arranged at a bottom outlet of the buffer 34, and an outlet of the separator valve 35 is communicated with the dry powder conveying pipe 5 through a third pipeline 36; the dry dust collector 4 comprises a bag-type dust collector, the air outlet end of the dust extraction pipe 33 is connected to the air inlet of the bag-type dust collector, and the air inlet end of the second pipeline 42 is connected to the air outlet of the bag-type dust collector; the heating device 7 comprises a hot air distributor 71 installed at the top of the drying tower 21, as shown in fig. 3 and 4, the air outlet ends of the hot air distributor 71 are sequentially connected end to end in a vortex shape, the air outlet end of the hot air distributor 71 is communicated with the inner cavity of the drying tower 21, the inlet end of the hot air distributor 71 is connected with a natural gas heating furnace 72 through a pipeline, the air outlet end of an air inlet pipeline 80 is connected to the air inlet end of the natural gas heating furnace 72, and the air inlet pipeline 80 is connected with a blower 73; the discharge device 9 is a water film deduster and is used for dedusting and deodorizing the dry tail gas; the material receiving equipment 6 comprises a small cyclone separator 61 connected to the outlet of the dry powder conveying pipe 5, and a material receiving valve 62 is arranged at the bottom of the small cyclone separator 61. It should be noted that, drying tower 21, centrifugal atomizer 22, oil cooler 23, advance oil pump 231 and go out oil pump 232, shower nozzle cooling blower 24, cyclone, draught fan, sack cleaner, hot air distributor, natural gas heating furnace, water film dust remover, freeze dehumidifier 51 and be current commercial product, the utility model mainly provides an utilize current equipment to constitute the spray drying system who is used for generating the antibiotic peptide's antibiotic peptide of dry bacterial powder to increase waste heat recovery device 8 and realize improving the purpose that gets into the air heat in natural gas heating furnace 72, and then reduce the consumption of natural gas fast in antibiotic peptide's spray drying system.

In addition, as shown in fig. 1 and fig. 5, the waste heat recovery device 8 is including casing 81 be equipped with heat transfer pipeline 82 in the casing 81 be equipped with air intake 83 and air outlet 84 respectively on one side of casing 81, on the route that heat transfer pipeline 82 set up the air outlet 84 blew out after the air intake 83 gets into, heat transfer pipeline 82 effluvium heat from the air intake 83 room temperature air that gets into heat up to 60 degrees back after about follow air outlet 84 insufflates with air outlet 84 is connected in the intake stack 80, and by forced draught blower 73 on the intake stack 80 blows in natural gas heating furnace 72 casing 81 top be equipped with heat transfer pipeline 82 gives vent to anger the exhaust pipe 85 that the end is connected, the end of giving vent to anger of exhaust pipe 85 with the air inlet end of water film dust remover is connected through the pipeline, the end of giving vent to anger of second pipeline 42 is connected on heat transfer pipeline 82's the air inlet end of heat transfer pipeline 82 be equipped with first draught fan 421 in the hot-blast guide that comes to send into in the heat transfer pipeline 82.

The utility model discloses the theory of operation as follows: the fermentation concentrated slurry of the antibacterial peptide is sent into a centrifugal atomizer 22 rotating at a high speed at the top of a drying tower 21 through a fermentation liquor feeding pump 1, hot air with the temperature of 180-190 ℃ heated by a natural gas heating furnace 72 is sent into the drying tower 21 and is instantaneously contacted with the fermentation concentrated slurry dispersed into ultrafine droplets by the centrifugal atomizer 22 to evaporate moisture in the slurry, generated dry powder is discharged from the bottom of the drying tower 21 and enters a cyclone separator 31 and is discharged through a buffer 34 through a separator valve 35, a small amount of fine powder is recovered by a bag-type dust collector, tail gas with the temperature of 80-85 ℃ at a pipeline outlet of the bag-type dust collector is treated by a water film dust collector after most of heat is recovered by a waste heat recovery device 8, and raised dust and smell in the drying tail gas are removed to achieve discharge standard and discharged. By adopting the waste heat recovery device technology, compared with a centrifugal spray drying device which does not adopt waste heat recycling in the early stage, the air entering the natural gas heating furnace 72 can be instantly heated to a high-temperature state, and the consumption of natural gas can be reduced.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a spray drying system of antibiotic peptide, including zymotic fluid charge pump (1) to and centrifugal spray drying device (2), the discharge gate of zymotic fluid charge pump (1) through inlet pipe (11) with the feed inlet of centrifugal spray drying device (2) is connected, its characterized in that: centrifugal spray drying device (2) discharge end one side is connected with main splitter (3) one side is taken out dirt pipe (33) through setting up and is connected with dry dust collector (4) the discharge gate of main splitter (3) is connected with dry powder conveyer pipe (5), the dust exhaust end of dry dust collector (4) bottom is connected through first pipeline (41) on dry powder conveyer pipe (5) the tail end of dry powder conveyer pipe (5) is equipped with material collecting equipment (6) the head end of dry powder conveyer pipe (5) is equipped with refrigeration dehumidifier (51) the top of centrifugal spray drying device (2) is equipped with can blow in hot-blast heating device (7) to centrifugal spray drying device (2), the air inlet end of heating device (7) is connected with waste heat recovery device (8), the end of giving vent to anger of waste heat recovery device (8) through air inlet pipeline (80) with the air inlet end of heating device (7) is connected, one side of dust collector (4) through second pipeline (42) with waste heat recovery device (8) is connected one side of waste heat recovery device (9) is connected with one side of waste heat recovery device (8).

2. The spray drying system for antibacterial peptide according to claim 1, characterized in that the centrifugal spray drying device (2) comprises a drying tower (21), a centrifugal atomizer (22) with a bottom discharge port communicated with the inner cavity of the drying tower (21) is arranged at the top of the drying tower (21), and a feed port of the centrifugal atomizer (22) is connected with the feed pipe (11).

3. The spray drying system for antimicrobial peptides according to claim 2, wherein the main separation device (3) comprises at least one large cyclone separator (31), the top inlet of the large cyclone separator (31) is communicated with the bottom outlet of the drying tower (21) through a separator feeding pipe (32), one end of the dust extraction pipe (33) is connected to the exhaust end of the large cyclone separator (31), and the other end is connected to the inlet of the dry dust collector (4).

4. The spray drying system for antibacterial peptide according to claim 3, wherein the bottom discharge end of the large cyclone separator (31) is communicated with a buffer (34), a separator valve (35) is arranged at the bottom outlet of the buffer (34), and the outlet of the separator valve (35) is communicated with the dry powder conveying pipe (5) through a third pipeline (36).

5. The spray drying system for antibacterial peptide according to claim 1, wherein the dry type dust collector (4) is a bag-type dust collector, the dust exhaust pipe (33) is connected to an air inlet of the bag-type dust collector, and an air inlet end of the second pipeline (42) is connected to an air outlet of the bag-type dust collector.

6. The spray drying system for antibacterial peptides according to claim 2, wherein the heating device (7) comprises a hot air distributor (71) installed at the top of the drying tower (21), the air outlet end of the hot air distributor (71) is communicated with the inner cavity of the drying tower (21), a natural gas heating furnace (72) is connected to the inlet end of the hot air distributor (71), the air outlet end of the air inlet pipeline (80) is connected to the air inlet end of the natural gas heating furnace (72), and a blower (73) is connected to the air inlet pipeline (80).

7. The spray drying system of antimicrobial peptide according to claim 1 or 5, wherein the waste heat recovery device (8) comprises a housing (81), a heat exchange pipeline (82) is arranged in the housing (81), an air inlet (83) and an air outlet (84) are respectively arranged on one side of the housing (81), an exhaust pipe (85) connected with the air outlet end of the heat exchange pipeline (82) is arranged at the top of the housing (81), the air outlet end of the exhaust pipe (85) is connected with the air inlet end of the discharging device (9), the air outlet end of the second pipeline (42) is connected with the air inlet end of the heat exchange pipeline (82), and a first induced draft fan (421) is arranged on the second pipeline (42).

8. The spray drying system for antimicrobial peptides of claim 7, wherein said discharge means (9) is a water scrubber.

9. The spray drying system for antibacterial peptide according to claim 3, characterized in that the material receiving device (6) comprises a small cyclone separator (61) connected to the outlet of the dry powder conveying pipe (5), and the bottom of the small cyclone separator (61) is provided with a material receiving valve (62).

10. The spray drying system for antibacterial peptides according to claim 9, characterized in that a fourth pipeline (30) is arranged on the large cyclone separator (31) and connected with the feed end of the small cyclone separator (61), and a second induced draft fan (63) is arranged on the fourth pipeline (30).

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