CN209073403U - Stir compression type instant tea powder hollow granulation device - Google Patents

Stir compression type instant tea powder hollow granulation device Download PDF

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Publication number
CN209073403U
CN209073403U CN201821025725.6U CN201821025725U CN209073403U CN 209073403 U CN209073403 U CN 209073403U CN 201821025725 U CN201821025725 U CN 201821025725U CN 209073403 U CN209073403 U CN 209073403U
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pressure
blending tank
carbon dioxide
pressurization
storage tank
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叶群
周建彬
崔鑫霞
钟小玉
刘华东
傅秀花
傅竹生
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Zhejiang Huang Huang Natural Food Development Ltd By Share Ltd
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Zhejiang Huang Huang Natural Food Development Ltd By Share Ltd
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Abstract

The utility model provides a kind of stirring compression type instant tea powder hollow granulation device, belongs to production of instant tea technical field.It includes concentration liquid storage tank and carbon dioxide storage tank, concentration liquid storage tank No.1 plunger pump connects pressurization blending tank, and pressurization blending tank is equipped with blender, carbon dioxide storage tank connection pressurization blending tank, the blending tank that pressurizes connects No. two plunger pumps, and No. two plunger pumps connect spray drying tower.The utility model makes carbon dioxide and tea concentrate be able to steadily feed, and does not have an impact mutually, and fill process is reliable and stable, is suitable for producing operation in enormous quantities, obtains hollow instant tea powder.

Description

Stir compression type instant tea powder hollow granulation device
Technical field
The utility model belongs to instant tea powder production technical field, is related to a kind of stirring compression type instant tea powder hollow granulation Device.
Background technique
Country's instant tea powder product at present, due to the limitation on technology and equipment, dissolubility and mobility do not have always Big breakthrough, being embodied on end product can not compete with trans-corporation, seriously restrict the further development of industry.
It for the mobility for improving instant tea powder, once attempts in the industry after being mixed with carbon dioxide with tea concentrate, then carries out Spray drying, in this way, the mobility and dissolubility of obtained instant tea powder get a promotion.As Chinese patent discloses A kind of device of hollow granulation [application number: 201010218339.0], comprising: storage tank, pump, heat exchanger, fluid flowmeter, first Check-valves, gas reservoir, gas flowmeter, second check-valve, the first mixer, high-pressure pump, the second mixer, spray drying Tower, the first valve, the second valve, thermometer, first pressure gauge, second pressure gauge, third valve, the 4th valve.It is doing by spraying Before dry, high-pressure pump is entered after liquid and inertness gas mixing, under the action of high-pressure pump, gas passes through after acutely being compressed Mixer mixes enters spray tower in a liquid, and in the moment that liquid is atomized, the gas inside droplet sufficiently volatilizees and in mist It drips surface and forms one layer of gas blanket, efficiently controlled the generation of oxidation reaction and the volatilization of fragrance matter, made instant tea The tea powder that the quality characteristic of powder Central Plains tea is retained, while obtained is hollow particle shape, and mobility and dissolubility mention significantly It is high.
But examine above-mentioned apparatus it can be found that carbon dioxide gas directly mixes in the first mixer with liquid, This requires the pressure of the gas entered in the first mixer in process of production and liquid must be identical, if there is either party Pressure is higher than another party's pressure, will result in the substance that can only enter that high side of pressure in the first mixer, thus can not be real Existing gas-liquid mixed is uniform, which lacks the structure of vapor liquid equilibrium charging, needs constantly to adjust gas in the actual production process Or the feed pressure of liquid, production stability be not good enough.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of stirring compression type instant tea powder hollow granulation dress It sets.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of stirring compression type instant tea powder hollow granulation device, including concentration liquid storage tank and carbon dioxide storage tank, it is described Concentration liquid storage tank with No.1 plunger pump connect pressurization blending tank, pressurization blending tank be equipped with blender, carbon dioxide storage tank connection Pressurize blending tank, and pressurization blending tank connects No. two plunger pumps, and No. two plunger pumps connect spray drying tower.
In above-mentioned stirring compression type instant tea powder hollow granulation device, the No.1 plunger pump passes through first flow Meter connection pressurization blending tank, the carbon dioxide storage tank connects pressurization blending tank by second flowmeter, in first flowmeter It is equipped with first pressure meter between pressurization blending tank, second pressure meter is equipped between second flowmeter and pressurization blending tank, adds Blending tank is pressed to be equipped with third pressure gauge.
In above-mentioned stirring compression type instant tea powder hollow granulation device, No. two plunger pumps and spray drying tower Between be equipped with air and liquid mixer, between air and liquid mixer and spray drying tower be equipped with the 4th pressure gauge.
In above-mentioned stirring compression type instant tea powder hollow granulation device, the first flowmeter and No.1 plunger pump Between be equipped with the first pressure regulation access, the first pressure regulation access connection concentration liquid storage tank, the first pressure regulation access be equipped with the first pressure regulator valve, The first valve is equipped between first pressure regulation access and first flowmeter, described No. two are equipped between plunger pump and air and liquid mixer Second pressure regulation access, the second pressure regulation access connection pressurization blending tank, the second pressure regulation access are equipped with the second pressure regulator valve, institute The second valve is equipped between the second pressure regulation access stated and air and liquid mixer.
In above-mentioned stirring compression type instant tea powder hollow granulation device, the carbon dioxide storage tank and second flow It is equipped with third valve between meter, pressurization access is equipped between the third valve and carbon dioxide storage tank, is pressurized on access and sets There is the 4th valve, the 4th valve connects the import of gas booster pump, and the outlet of gas booster pump connects check valve, check valve connection Pipeline between third valve and second flowmeter.
Compared with prior art, utility model has the advantages that
1, carbon dioxide and tea concentrate are mixed by pressure blending tank, and carbon dioxide and tea concentrate is made to be able to put down Steady charging, does not have an impact mutually, and fill process is reliable and stable, is suitable for producing operation in enormous quantities, carbon dioxide is enable to mention Solubility in Gao Cha concentrate, to obtain hollow instant tea powder.
2, gas-liquid mixed is made using mechanical means, and the pressure in pressure blending tank is made to keep balance, it can be achieved that smoothly Mixed tea concentrate is conveyed, hollow instant tea powder is obtained.
3, by gas booster pump, it is capable of the pressure of stabilized chlorine carbon, and can be sufficiently using in carbon dioxide storage tank Carbon dioxide gas, save the cost prevent gas from wasting.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is structural schematic diagram provided by the utility model.
In figure: concentration liquid storage tank 1, carbon dioxide storage tank 2, No.1 plunger pump 3, pressurization blending tank 4, blender 5, agitating paddle 5a, gearbox 5b, motor 5c, No. two plunger pumps 6, spray drying tower 7, first flowmeter 8, second flowmeter 9, first pressure meter 10, second pressure meter 11, third pressure gauge 12, air and liquid mixer 13, the 4th pressure gauge 14, the first pressure regulation access 15, first are adjusted Pressure valve 16, the first valve 17, the second pressure regulation access 18, the second pressure regulator valve 19, the second valve 20, third valve 21, pressurization access 22, the 4th valve 23, gas booster pump 24, check valve 25.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of stirring compression type instant tea powder hollow granulation device, including concentration liquid storage tank 1 and titanium dioxide Carbon storage tank 2, the concentration liquid storage tank 1 No.1 plunger pump 3 connect pressurization blending tank 4, and pressurization blending tank 4 is equipped with blender 5, Blender 5 includes the agitating paddle 5a in pressurization blending tank 4, connects the gearbox 5b of agitating paddle 5a, connects the electricity of speed changer Machine 5c, the connection pressurization blending tank 4 of carbon dioxide storage tank 2, pressurization blending tank 4 connect No. two plunger pumps 6, and No. two plunger pumps 6 connect Spray drying tower 7, spray drying tower 7 are pressure spray drying tower.
A method of hollow instant tea powder is produced, tea concentrate is stored in concentration liquid storage tank 1, No.1 plunger is started Tea concentrate is pumped into pressurization blending tank 4 by pump 3, by the carbon dioxide injection in carbon dioxide storage tank 2 to pressurization blending tank 4 In, starting blender 5 mixes carbon dioxide and tea concentrate, starts No. two plunger pumps 6, is blended with carbon dioxide gas Tea concentrate is pumped into spray drying tower 7 and is spray-dried, and obtains hollow instant tea powder.Temperature can in the tower of spray drying tower 7 To carry out appropriate adjustment according to different tea concentrate concentration or flow, this is common knowledge, in the present embodiment, spray drying The inlet air temperature of tower 7 between 160-220 DEG C, return air temperature between 120-160 DEG C, leaving air temp between 70-90 DEG C, with Lower embodiment is same.
Tea concentrate by tea extraction be concentrated be made, in the present embodiment, tea concentrate the preparation method is as follows: by tealeaves With 80-100 DEG C of hot-water soak 30-60 minutes of 10-20 times, filter liquor obtained millet paste, and millet paste is condensed into solid content in 18-30 Between, obtain tea concentrate.
Pressurization blending tank 4 is pressure vessel, and blender 5 and pressurization blending tank 4 are to be tightly connected, and carbon dioxide is logical with pipeline Enter to pressurization 4 bottom of blending tank that carbon dioxide and tea concentrate is enable to be sufficiently mixed and is dissolved in tea concentrate under high pressure In, after the pressure balance of the pressure and carbon dioxide and tea concentrate pressurizeed in blending tank 4,5 revolving speed of blender can be improved, accelerate It is stirred, after pressure balances again, No. two 6 stocks of plunger pump can be opened.
Embodiment 2
As shown in Figure 1, a kind of stirring compression type instant tea powder hollow granulation device, including concentration liquid storage tank 1 and titanium dioxide Carbon storage tank 2, the concentration liquid storage tank 1 No.1 plunger pump 3 connect pressurization blending tank 4, and pressurization blending tank 4 is equipped with blender 5, The connection pressurization blending tank 4 of carbon dioxide storage tank 2, pressurization blending tank 4 connect No. two plunger pumps 6, and No. two plunger pumps 6 connect spraying dry Dry tower 7.
No.1 plunger pump 3 passes through second by the connection pressurization blending tank 4 of first flowmeter 8, the carbon dioxide storage tank 2 The connection pressurization blending tank 4 of flowmeter 9, is equipped with first pressure meter 10 between first flowmeter 8 and pressurization blending tank 4, second Second pressure meter 11 is equipped between flowmeter 9 and pressurization blending tank 4, pressurization blending tank 4 is equipped with third pressure gauge 12.
Blender 5 includes the agitating paddle 5a in pressurization blending tank 4, connects the gearbox 5b of agitating paddle 5a, and connection becomes The motor 5c of fast device, pressurization blending tank 4 are pressure vessel, and blender 5 and pressurization blending tank 4 are to be tightly connected, and carbon dioxide is used Pipeline is passed into pressurization 4 bottom of blending tank to enable carbon dioxide and tea concentrate to be sufficiently mixed and be dissolved in tea under high pressure In concentrate, spray drying tower 7 is pressure spray drying tower.
A method of hollow instant tea powder is produced, tea concentrate is stored in concentration liquid storage tank 1, No.1 plunger is started Tea concentrate is pumped into pressurization blending tank 4 by pump 3, by the carbon dioxide injection in carbon dioxide storage tank 2 to pressurization blending tank 4 In, the flow of tea concentrate is read by first flowmeter 8, and the flow of carbon dioxide, titanium dioxide are read by second flowmeter 9 The flow-rate ratio of carbon and tea concentrate is between 1:1-20, preferably 1:8, and the pressure of tea concentrate is read by first pressure meter 10 Power reads the pressure of carbon dioxide by second pressure meter 11, and the pressure of pressurization blending tank 4 is read by third pressure gauge 12, The pressure of tea concentrate in 0.5-1 between MPa, preferably 0.8MPa, the pressure of carbon dioxide in 0.5-1 between MPa, it is excellent It is selected as 0.8MPa, the pressure for the blending tank 4 that pressurizes is in 0.5-1 between MPa, and preferably 0.8MPa, it is mixed that tea concentrate fills pressure After closing tank 4, stop No.1 plunger pump 3, be simultaneously stopped into pressure blending tank and input carbon dioxide gas, starting blender 5 will Carbon dioxide and the mixing of tea concentrate, start No. two plunger pumps 6, the tea concentrate for being blended with carbon dioxide gas is pumped into spray It is spray-dried in mist drying tower 7, obtains hollow instant tea powder.
Tea concentrate by tea extraction be concentrated be made, in the present embodiment, tea concentrate the preparation method is as follows: by tealeaves With 80-100 DEG C of hot-water soak 30-60 minutes of 10-20 times, filter liquor obtained millet paste, and millet paste is condensed into solid content in 18-30 Between, obtain tea concentrate.
It is produced it will be appreciated by those skilled in the art that tea concentrate is not limited to the method that embodiment does not provide.
Embodiment 3
As shown in Figure 1, a kind of stirring compression type instant tea powder hollow granulation device, including concentration liquid storage tank 1 and titanium dioxide Carbon storage tank 2, the concentration liquid storage tank 1 No.1 plunger pump 3 connect pressurization blending tank 4, and pressurization blending tank 4 is equipped with blender 5, The connection pressurization blending tank 4 of carbon dioxide storage tank 2, pressurization blending tank 4 connect No. two plunger pumps 6, and No. two plunger pumps 6 connect spraying dry Dry tower 7.Carbon dioxide steel cylinder can be used in carbon dioxide storage tank 2, and following embodiment is same.
No.1 plunger pump 3 passes through second by the connection pressurization blending tank 4 of first flowmeter 8, the carbon dioxide storage tank 2 The connection pressurization blending tank 4 of flowmeter 9, is equipped with first pressure meter 10 between first flowmeter 8 and pressurization blending tank 4, second Second pressure meter 11 is equipped between flowmeter 9 and pressurization blending tank 4, pressurization blending tank 4 is equipped with third pressure gauge 12.
Air and liquid mixer 13 is equipped between No. two plunger pumps 6 and spray drying tower 7, in air and liquid mixer 13 and spray drying The 4th pressure gauge 14 is equipped between tower 7.
Blender 5 includes the agitating paddle 5a in pressurization blending tank 4, connects the gearbox 5b of agitating paddle 5a, and connection becomes The motor 5c of fast device, pressurization blending tank 4 are pressure vessel, and blender 5 and pressurization blending tank 4 are to be tightly connected, and carbon dioxide is used Pipeline is passed into pressurization 4 bottom of blending tank to enable carbon dioxide and tea concentrate to be sufficiently mixed and be dissolved in tea under high pressure In concentrate, spray drying tower 7 is pressure spray drying tower.
A method of hollow instant tea powder is produced, tea concentrate is stored in concentration liquid storage tank 1, No.1 plunger is started Tea concentrate is pumped into pressurization blending tank 4 by pump 3, by the carbon dioxide injection in carbon dioxide storage tank 2 to pressurization blending tank 4 In, the flow of tea concentrate is read by first flowmeter 8, and the flow of carbon dioxide, titanium dioxide are read by second flowmeter 9 The flow-rate ratio of carbon and tea concentrate is between 1:1-20, between preferably 1:5-10, reads tea concentration by first pressure meter 10 The pressure of liquid reads the pressure of carbon dioxide by second pressure meter 11, reads pressurization blending tank 4 by third pressure gauge 12 Pressure, the pressure of tea concentrate is in 0.5-1 between MPa, and preferably 0.85MPa, the pressure of carbon dioxide is in 0.5-1 in MPa Between, preferably 0.9MPa, the pressure for the blending tank 4 that pressurizes between MPa, specifically makes carbon dioxide in tea concentrate in 0.5-1 In solubility determine, in the present embodiment, when tea concentrate is covered with more than half volume of pressure blending tank 4, stop No.1 Plunger pump continues to be passed through carbon dioxide, and when the pressure in pressure blending tank is identical as the pressure carbon dioxide of input, stops Input carbon dioxide.
Start blender 5 to mix carbon dioxide and tea concentrate, starts No. two plunger pumps 6, be blended with carbon dioxide The tea concentrate of gas is pumped into spray drying tower 7 by air and liquid mixer 13 and is spray-dried, and is read by the 4th pressure gauge It is pumped into the pressure of the tea concentrate in spray drying tower 7, for pressure between 15-25MPa, preferably 20MPa obtains middle air speed Molten tea powder.
Tea concentrate by tea extraction be concentrated be made, in the present embodiment, tea concentrate the preparation method is as follows: by tealeaves With 80-100 DEG C of hot-water soak 30-60 minutes of 10-20 times, filter liquor obtained millet paste, and millet paste is condensed into solid content in 18-30 Between, obtain tea concentrate.
It is produced it will be appreciated by those skilled in the art that tea concentrate is not limited to the method that embodiment does not provide.
Embodiment 4
As shown in Figure 1, a kind of stirring compression type instant tea powder hollow granulation device, including concentration liquid storage tank 1 and titanium dioxide Carbon storage tank 2, the concentration liquid storage tank 1 No.1 plunger pump 3 connect pressurization blending tank 4, and pressurization blending tank 4 is equipped with blender 5, The connection pressurization blending tank 4 of carbon dioxide storage tank 2, pressurization blending tank 4 connect No. two plunger pumps 6, and No. two plunger pumps 6 connect spraying dry Dry tower 7.
No.1 plunger pump 3 passes through second by the connection pressurization blending tank 4 of first flowmeter 8, the carbon dioxide storage tank 2 The connection pressurization blending tank 4 of flowmeter 9, is equipped with first pressure meter 10 between first flowmeter 8 and pressurization blending tank 4, second Second pressure meter 11 is equipped between flowmeter 9 and pressurization blending tank 4, pressurization blending tank 4 is equipped with third pressure gauge 12.
Air and liquid mixer 13 is equipped between No. two plunger pumps 6 and spray drying tower 7, in air and liquid mixer 13 and spray drying The 4th pressure gauge 14 is equipped between tower 7.
The first pressure regulation access 15, the connection concentration of the first pressure regulation access 15 are equipped between first flowmeter 8 and No.1 plunger pump 3 Liquid storage tank 1, the first pressure regulation access 15 are equipped with the first pressure regulator valve 16, are equipped between the first pressure regulation access 15 and first flowmeter 8 First valve 17 is equipped with the second pressure regulation access 18, the second pressure regulation access between No. two plunger pumps 6 and air and liquid mixer 13 18 connection pressurization blending tanks 4, the second pressure regulation access 18 are equipped with the second pressure regulator valve 19, the second pressure regulation access 18 The second valve 20 is equipped between air and liquid mixer 13.
Blender 5 includes the agitating paddle 5a in pressurization blending tank 4, connects the gearbox 5b of agitating paddle 5a, and connection becomes The motor 5c of fast device, pressurization blending tank 4 are pressure vessel, and blender 5 and pressurization blending tank 4 are to be tightly connected, and carbon dioxide is used Pipeline is passed into pressurization 4 bottom of blending tank to enable carbon dioxide and tea concentrate to be sufficiently mixed and be dissolved in tea under high pressure In concentrate, spray drying tower 7 is pressure spray drying tower.
A method of hollow instant tea powder is produced, tea concentrate is stored in concentration liquid storage tank 1, No.1 plunger is started Tea concentrate is pumped into pressurization blending tank 4 by pump 3, by the carbon dioxide injection in carbon dioxide storage tank 2 to pressurization blending tank 4 In, the flow of tea concentrate is read by first flowmeter 8, and the flow of carbon dioxide is read by second flowmeter 9, passes through tune Saving the first valve 17 and the second valve 20 makes the flow-rate ratio of carbon dioxide and tea concentrate between 1:1-20, preferably 1:9, leads to The pressure that first pressure meter 10 reads tea concentrate is crossed, the pressure of carbon dioxide is read by second pressure meter 11, passes through third Pressure gauge 12 reads the pressure of pressurization blending tank 4, adjusts the open degree of the first pressure regulator valve 16, makes the pressure of tea concentrate in 0.5- 1 between MPa, and the pressure of carbon dioxide is in 0.5-1 between MPa, and the pressure for the blending tank 4 that pressurizes is in 0.5-1 between MPa.
In the present embodiment, pressure carbon dioxide is greater than tea concentration hydraulic coupling 0.1MPa, prevents from filling pressure because of tea concentrate Cause tea concentrate is counter to be poured into carbon dioxide storage tank after power blending tank 4.The pressure pressurizeed in blending tank 4 is not more than carbon dioxide Pressure.
Start blender 5 to mix carbon dioxide and tea concentrate, starts No. two plunger pumps 6, be blended with carbon dioxide The tea concentrate of gas is pumped into spray drying tower 7 by air and liquid mixer 13 and is spray-dried, and is read by the 4th pressure gauge It is pumped into the pressure of the tea concentrate in spray drying tower 7, by the open degree for adjusting the second valve 20 and the second pressure regulator valve 19 Make the pressure of tea concentrate between 15-25MPa, preferably 22MPa, obtains hollow instant tea powder.
Embodiment 5
As shown in Figure 1, a kind of stirring compression type instant tea powder hollow granulation device, including concentration liquid storage tank 1 and titanium dioxide Carbon storage tank 2, the concentration liquid storage tank 1 No.1 plunger pump 3 connect pressurization blending tank 4, and pressurization blending tank 4 is equipped with blender 5, The connection pressurization blending tank 4 of carbon dioxide storage tank 2, pressurization blending tank 4 connect No. two plunger pumps 6, and No. two plunger pumps 6 connect spraying dry Dry tower 7.
No.1 plunger pump 3 passes through second by the connection pressurization blending tank 4 of first flowmeter 8, the carbon dioxide storage tank 2 The connection pressurization blending tank 4 of flowmeter 9, is equipped with first pressure meter 10 between first flowmeter 8 and pressurization blending tank 4, second Second pressure meter 11 is equipped between flowmeter 9 and pressurization blending tank 4, pressurization blending tank 4 is equipped with third pressure gauge 12.
Air and liquid mixer 13 is equipped between No. two plunger pumps 6 and spray drying tower 7, in air and liquid mixer 13 and spray drying The 4th pressure gauge 14 is equipped between tower 7.
The first pressure regulation access 15, the connection concentration of the first pressure regulation access 15 are equipped between first flowmeter 8 and No.1 plunger pump 3 Liquid storage tank 1, the first pressure regulation access 15 are equipped with the first pressure regulator valve 16, are equipped between the first pressure regulation access 15 and first flowmeter 8 First valve 17 is equipped with the second pressure regulation access 18, the second pressure regulation access between No. two plunger pumps 6 and air and liquid mixer 13 18 connection pressurization blending tanks 4, the second pressure regulation access 18 are equipped with the second pressure regulator valve 19, the second pressure regulation access 18 The second valve 20 is equipped between air and liquid mixer 13.
Third valve 21, the third valve 21 and titanium dioxide are equipped between carbon dioxide storage tank 2 and second flowmeter 9 Pressurization access 22 is equipped between carbon storage tank 2, pressurization access 22 is equipped with the 4th valve 23, and the 4th valve 23 connects gas booster pump 24 import, the outlet of gas booster pump 24 connect check valve 25, check valve 25 connect third valve 21 and second flowmeter 9 it Between pipeline.
Blender 5 includes the agitating paddle 5a in pressurization blending tank 4, connects the gearbox 5b of agitating paddle 5a, and connection becomes The motor 5c of fast device, pressurization blending tank 4 are pressure vessel, and blender 5 and pressurization blending tank 4 are to be tightly connected, and carbon dioxide is used Pipeline is passed into pressurization 4 bottom of blending tank to enable carbon dioxide and tea concentrate to be sufficiently mixed and be dissolved in tea under high pressure In concentrate, spray drying tower 7 is pressure spray drying tower.
A method of hollow instant tea powder is produced, tea concentrate is stored in concentration liquid storage tank 1, No.1 plunger is started Tea concentrate is pumped into pressurization blending tank 4 by pump 3, by the carbon dioxide injection in carbon dioxide storage tank 2 to pressurization blending tank 4 In, the flow of tea concentrate is read by first flowmeter 8, and the flow of carbon dioxide is read by second flowmeter 9, passes through tune Saving the first valve 17 and third valve 21 makes the flow-rate ratio of carbon dioxide and tea concentrate between 1:1-20, preferably 1:10, The pressure that tea concentrate is read by first pressure meter 10 reads the pressure of carbon dioxide by second pressure meter 11, by the Three pressure gauges 12 read the pressure of pressurization blending tank 4, adjust the open degree of the first pressure regulator valve 16, the pressure of tea concentrate is made to exist 0.5-1 is between MPa, preferably 0.6-0.9MPa, and adjusting third valve 21 makes the pressure of carbon dioxide between 0.5-1MPa, Preferably 0.65-0.95MPa, the pressure of carbon dioxide are slightly above the pressure of tea concentrate.
When the pressure in carbon dioxide storage tank 2 is less than 0.5MPa, third valve 21 is closed, open the 4th valve 23 and is opened Gas booster pump 24 is opened, makes the pressure of carbon dioxide between 0.5-1MPa, preferably 0.65-0.95MPa, the pressure of carbon dioxide Power is slightly above the pressure of tea concentrate, and carbon dioxide gas is pumped into pressurization blending tank 4,
The pressure of pressurization blending tank 4 is in 0.5-1 between MPa, and the pressure pressurizeed in blending tank 4 is no more than carbon dioxide Carbon dioxide and tea concentrate are mixed, start No. two plunger pumps 6, be blended with carbon dioxide gas by pressure, starting blender 5 Tea concentrate be pumped into spray drying tower 7 and be spray-dried by air and liquid mixer 13, pass through the 4th pressure gauge 14 and read pump Enter the pressure to the tea concentrate in spray drying tower 7, the open degree by adjusting the second valve 20 and the second pressure regulator valve 19 makes For the pressure of tea concentrate between 15-25MPa, preferably 18MPa obtains hollow instant tea powder.
Comparative example 1
A kind of stirring compression type instant tea powder hollow granulation device, including concentration liquid storage tank, are concentrated liquid storage tank plunger pump Connection spray drying tower is directly spray-dried, and instant tea powder is made.
In this comparative example, the preparation method of tea concentrate is same as Example 1.By the instant of comparative example 1 and embodiment 1-5 Tea powder carries out physical and chemical index comparison, and see Table 1 for details.
The every physical and chemical index comparison of table 1
As can be seen from the above table, the instant tea powder of embodiment 1-5, bulk density are substantially the 1/3 of comparative example 1, only 12g/ml or so, and solution rate is significantly faster than comparative example 1, other every physical and chemical indexes do not vary widely, and meet hollow make Granule product feature.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although concentration liquid storage tank 1, carbon dioxide storage tank 2, No.1 plunger pump 3, pressurization blending tank is used more herein 4, blender 5, agitating paddle 5a, gearbox 5b, motor 5c, No. two plunger pumps 6, spray drying tower 7, first flowmeter 8, second Meter 9, first pressure meter 10, second pressure meter 11, third pressure gauge 12, air and liquid mixer 13, the 4th pressure gauge 14, first are adjusted Press access 15, the first pressure regulator valve 16, the first valve 17, the second pressure regulation access 18, the second pressure regulator valve 19, the second valve 20, third The terms such as valve 21, pressurization access 22, the 4th valve 23, gas booster pump 24, check valve 25, but be not precluded and use other arts A possibility that language.The use of these terms is merely for the convenience of describing and explaining the nature of the invention, they are solved It is contrary to the spirit of the present invention for being interpreted into any additional limitation all.

Claims (5)

1. a kind of stirring compression type instant tea powder hollow granulation device, including concentration liquid storage tank (1) and carbon dioxide storage tank (2), It is characterized in that, the concentration liquid storage tank (1) connects pressurization blending tank (4) with No.1 plunger pump (3), pressurize blending tank (4) Equipped with blender (5), carbon dioxide storage tank (2) connection pressurization blending tank (4), pressurization blending tank (4) connects No. two plunger pumps (6), No. two plunger pump (6) connections spray drying tower (7).
2. stirring compression type instant tea powder hollow granulation device according to claim 1, which is characterized in that the No.1 Plunger pump (3) passes through second flow by first flowmeter (8) connection pressurization blending tank (4), the carbon dioxide storage tank (2) (9) connection pressurization blending tank (4) is counted, is equipped with first pressure meter (10) between first flowmeter (8) and pressurization blending tank (4), Second pressure meter (11) are equipped between second flowmeter (9) and pressurization blending tank (4), pressurization blending tank (4) is equipped with third Pressure gauge (12).
3. stirring compression type instant tea powder hollow granulation device according to claim 2, which is characterized in that described No. two Air and liquid mixer (13) are equipped between plunger pump (6) and spray drying tower (7), in air and liquid mixer (13) and spray drying tower (7) the 4th pressure gauge (14) is equipped between.
4. stirring compression type instant tea powder hollow granulation device according to claim 3, which is characterized in that described first The first pressure regulation access (15) is equipped between flowmeter (8) and No.1 plunger pump (3), the first pressure regulation access (15) connects concentrate storage Tank (1), the first pressure regulation access (15) are equipped with the first pressure regulator valve (16), the first pressure regulation access (15) and first flowmeter (8) it Between be equipped with the first valve (17), equipped with the second pressure regulation access between No. two plunger pumps (6) and air and liquid mixer (13) (18), the second pressure regulation access (18) connection pressurization blending tank (4), the second pressure regulation access (18) are equipped with the second pressure regulator valve (19), the second valve (20) are equipped between the second pressure regulation access (18) and air and liquid mixer (13).
5. stirring compression type instant tea powder hollow granulation device according to claim 4, which is characterized in that the dioxy Change and is equipped with third valve (21) between carbon storage tank (2) and second flowmeter (9), the third valve (21) and carbon dioxide storage Pressurization access (22) is equipped between tank (2), pressurization access (22) is equipped with the 4th valve (23), and the 4th valve (23) connects gas The outlet of the import of booster pump (24), gas booster pump (24) connects check valve (25), and check valve (25) connects third valve (21) pipeline between second flowmeter (9).
CN201821025725.6U 2018-06-29 2018-06-29 Stir compression type instant tea powder hollow granulation device Active CN209073403U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108850322A (en) * 2018-06-29 2018-11-23 浙江茗皇天然食品开发股份有限公司 The method of instant tea powder hollow granulation device and the hollow instant tea powder of production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108850322A (en) * 2018-06-29 2018-11-23 浙江茗皇天然食品开发股份有限公司 The method of instant tea powder hollow granulation device and the hollow instant tea powder of production

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