CN100393227C - Production method of ice cream and special spray nozzle for producing same - Google Patents
Production method of ice cream and special spray nozzle for producing same Download PDFInfo
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- CN100393227C CN100393227C CNB2005100588601A CN200510058860A CN100393227C CN 100393227 C CN100393227 C CN 100393227C CN B2005100588601 A CNB2005100588601 A CN B2005100588601A CN 200510058860 A CN200510058860 A CN 200510058860A CN 100393227 C CN100393227 C CN 100393227C
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Abstract
The present invention relates to a method for producing an ice cream bar and a multi-fluid nozzle used by preference in the method for producing an ice cream bar. The method for producing an ice cream bar comprises the following the procedures: proportioning, congelation, the spray finishing of ice crusts, filling, chopstick insertion, hardening, meltage, stripping and packing. For the spray finishing of the ice crusts, a layer of water mist is sprayed on the inner wall of a mould by the nozzle under the condition of low temperature so as to form the ice crusts. When the mould is melted and stripped, the method for producing an ice cream bar can replace feed liquid of the melted ice cream bar with the melted ice crusts so as to save raw materials and reduce pollution. In addition, the special multi-fluid nozzle of the method for producing an ice cream bar comprises a nozzle body, an inner cavity pad, an atomizing nozzle and a gland bush of the atomizing nozzle, wherein the end of the nozzle body is provided with a gas inlet, a water inlet is arranged on the side wall of the outer part of the nozzle body, and the water inlet is communicated to the spraying end by a gas inlet conduit and a water inlet conduit. The nozzle has the advantage of refined and even spraying, and even if the nozzle sprays on the surface of a small area, the nozzle can also meticulously carry out spray finishing.
Description
Technical field
The present invention relates to a kind of ice cream production method, its purpose is to provide a kind of ice cream production method flow process, can reduce the waste of raw material, can reduce the COD value of cleaning blowdown simultaneously.
And, among the present invention, also relating to a kind of multithread body nozzle, its purpose is to provide a kind of nozzle, makes nozzle spray fine and smooth more, even, can carry out careful spraying on the small size surface.
Background technology
In existing ice cream production method, comprise the steps: to prepare burden, congeal, can, insert chopsticks, sclerosis, thawing withdrawing pattern.In existing production method, melting the withdrawing pattern stage, for the ice cream that will freeze takes out from mould, mold shell need be used the hot water fusible pattern, therefore, have 2-3 gram ice cream feed liquid in each withdrawing pattern process and stay in the formwork, and when cleaning formwork, lose, flow into water down, increased the COD value of blowdown.
Summary of the invention
In order to address the above problem, the invention provides a kind of ice cream production method, on the basis of existing method, increase the step of freezing mould and spraying nilas.Not only solved the problem of ice cream feed liquid waste, and, also reduced the COD value of blowdown by reducing the loss of ice cream feed liquid.For prior art, be a great improvement.
Ice cream production method of the present invention on the basis of existing technology, also comprises the steps: before the described can step
The spraying nilas under cryogenic conditions, uses nozzle at mould inner wall spraying one deck water smoke, and forms nilas.
Also comprise the step of freezing mould before the step of described spraying nilas, that is, mould is carried out prefreezing.Like this can faster formation nilas, and, shortened the distance of water smoke in gravity effect current downflow owing to shortened the freeze-off time of water smoke, therefore make nilas more even.
After the above-mentioned steps processing, carry out can again, between ice cream feed liquid and mould inner wall, just have the skim nilas.After the ice cream liquid material sclerosis, and still isolate between the mould inner wall nilas is arranged.
In the described thawing withdrawing pattern step, use the hot water fusible pattern, and described nilas is melted the ice cream that the back taking-up is freezed.
According to ice cream production method of the present invention, in the described spraying nilas step, use aseptic compressed air and sterilized water mixed atomizing, control air pressure is 0.1～0.8Mpa, hydraulic pressure is 0.1～0.6Mpa.
Use nozzle that the aseptic compressed air and the sterilized water of pressurization are mixed ejection, can form fine and smooth water smoke uniformly, and help water smoke and form nilas fast after attached to the mould inner wall of prefreezing.Therefore can guarantee that nilas thickness is even.The above-mentioned force value that filtrated air and sterilized water pressure are indicated is the preferred pressure scope that obtains through experiment,, adopts this force value that is, can guarantee that nilas forms evenly and rapidly.
According to ice cream production method of the present invention, can adopt time-delay relay control spray time; And preferably to control spray time be in 2 seconds.Described spray time is used to control the thickness of nilas.In process of production, nilas is difficult for blocked up, otherwise can produce more water constituent after melting withdrawing pattern, influences the quality of ice cream.Therefore, according to different shower nozzles, preferred spray time is in 2 seconds.
The invention has the advantages that,, in melting the withdrawing pattern process, only melted the nilas between ice cream and the mould inner wall, therefore,, replaced in the existing ice cream production process ice cream feed liquid residual behind the withdrawing pattern just with the water of nilas thawing according to method of the present invention.
Therefore, reduced the waste of raw material to a great extent, and, when cleaning die,, also make cleaning easier owing to reduced residual ice cream feed liquid, the COD value of the blowdown after the cleaning also significantly descends.
In addition, the nozzle of Shi Yonging in the present invention is preferably the multithread body nozzle of structure as described below.
Multithread body nozzle of the present invention, same as the prior art, comprise nozzle body, inner chamber pad, spray nozzle and spray nozzle gland.Its difference is: described nozzle body, its end has air inlet, has water inlet on the exterior side wall, and is communicated to spraying end by air induction conduit and penstock respectively.
According to multithread body nozzle of the present invention, the terminal center of described nozzle body has cylindric air inlet; The center line of described nozzle body is provided with air induction conduit, and air induction conduit one end links to each other with air inlet, and other end opening extends in the inner chamber of inner chamber pad formation, and is centered close on the spray nozzle central shaft.
According to multithread body nozzle of the present invention, the exterior side wall of described nozzle body has columned water inlet, and its center line is vertical with the center line of nozzle body; And parallel with air induction conduit and to be provided with penstock, penstock one end links to each other with water inlet is terminal, and the other end is communicated with the inner chamber of inner chamber pad formation.
Multithread body nozzle of the present invention as mentioned above, by feeding compressed air from above-mentioned air inlet, and from being arranged on the water inlet feeding current of sidewall, air is mixed in the inner chamber of the recess formation of inner chamber pad and nozzle body with water, and, enter in the cavity of spray nozzle under pressure by the through hole at inner chamber pad center; And then spray from spray nozzle.By mixing repeatedly, make current before spray nozzle ejection, just fully mixing with air, form tiny water droplet, after the ejection, water droplet exquisiteness not only, and also very even.
Therefore, nozzle according to the present invention described above, not only spraying is fine and smooth but also even, is applicable to that also surface area is less, sprays demanding occasion, is that the nozzle of prior art is inaccessiable.
Description of drawings
Fig. 1 is the nozzle arrangements profile of prior art;
Fig. 2 is according to multithread body structure of nozzle profile of the present invention.
The specific embodiment
Below in conjunction with embodiments of the invention the present invention is elaborated.
Ice cream production method of the present invention, comprise the steps: to prepare burden, congeal, freeze mould, spraying nilas, can, insert chopsticks, sclerosis and melt withdrawing pattern, difference from prior art is, congeal and the can step between, increased the step of freezing mould and spraying nilas.Because other steps are all same as the prior art, therefore only described step of freezing mould and spraying nilas is elaborated below.
The spraying nilas under cryogenic conditions, uses nozzle at mould inner wall spraying one deck water smoke, and forms nilas.
Before the step of described spraying nilas, also can freeze the step of mould.Like this can faster formation nilas, and, shortened the distance of water smoke in gravity effect current downflow owing to shortened the freeze-off time of water smoke, therefore make nilas more even.
Described step of freezing mould is promptly carried out prefreezing to mould, and preferred prefreezing temperature is below-20 ℃ in this step.If the prefreezing temperature is higher, then the time of water smoke formation nilas can increase, and therefore, in order to form the uniform nilas of thickness, preferably adopts the prefreezing temperature below-20 ℃, to reach the purpose that makes the water smoke quick freezing form nilas.
Carry out above-mentioned freeze mould and spraying nilas step after, carry out can again, between ice cream feed liquid and mould inner wall, just have the skim nilas.After the ice cream liquid material sclerosis, and still isolate between the mould inner wall nilas is arranged.
In the described thawing withdrawing pattern step, same as the prior art, use the hot water fusible pattern.But, owing between mould and the ice cream that freezes, have very thin nilas, therefore only need just described nilas to melt after, can take out the ice cream that freezes.
In the step of above-mentioned thawing withdrawing pattern, under the condition of using prior art, melt the ice cream feed liquid that withdrawing pattern all will melt 2～3 grams at every turn, but in the present invention, owing to replaced the ice cream feed liquid of melting with the nilas that melts, therefore can effectively reduce the waste of raw material.And, when cleaning die,, also be that cleaning is easier owing to reduced residual ice cream feed liquid, the COD value of the blowdown after the cleaning also significantly descends.
According to ice cream production method of the present invention, in order to obtain the uniform nilas of thickness, the multithread body nozzle that preferably adopts water, gas to mix.Feed aseptic compressed air and sterilized water simultaneously to described nozzle, after nozzle interior is mixed, spray uniform water smoke.Production efficiency height not only, and can form uniform nilas.
In addition, ice cream production method of the present invention adopts the nozzle of ice cream production method of the present invention special use, and this nozzle is a multithread body nozzle, and its specific embodiment is as follows.
As shown in Figure 2, the nozzle arrangements of the embodiment of the invention comprises: nozzle body 1, inner chamber pad 2, spray nozzle 3 and spray nozzle gland 4.Be different with the nozzle of prior art: the terminal center of the nozzle body 1 of the spray nozzle of the embodiment of the invention has cylindric air inlet 1-3; The center line of described nozzle body is provided with air induction conduit 1-4, and air induction conduit 1-4 one end links to each other with air inlet 1-3, and other end opening extends among the inner chamber 1-5 of inner chamber pad formation, and is centered close on the central shaft of spray nozzle 1.
The multithread body nozzle of the embodiment of the invention, the exterior side wall of described nozzle body 1 has columned water inlet 1-1, and its center line is vertical with the center line of nozzle body 1; And parallel with air induction conduit 1-4 and to be provided with penstock 1-2, penstock 1-2 one end links to each other with water inlet 1-1 is terminal, and the other end is communicated with the inner chamber 1-5 of inner chamber pad 2 formation.
Multithread body nozzle of the present invention as mentioned above, by feeding compressed air from above-mentioned air inlet 1-3, and from being arranged on the water inlet 1-1 feeding current of sidewall, air is mixed in the inner chamber 1-5 of the recess formation of inner chamber pad 2 and nozzle body 1 with water, and, enter in the cavity of spray nozzle 3 under pressure by the through hole at inner chamber pad 1 center; And then from spray nozzle 3 ejections.By mixing repeatedly, make current before spray nozzle 3 ejection, just fully mixing with air, form tiny water droplet, after the ejection, water droplet exquisiteness not only, and also even.
The embodiment of nozzle of the present invention as mentioned above, be preferred embodiment, adopted, because air inlet 1-3 and the centre bore of air induction conduit 1-4 and inner chamber pad 2 and being arranged on the same axis of spray nozzle 3 from the setting of middle part air inlet, therefore, for practicality, has optimum effect.
Below, the specific embodiment in conjunction with ice cream production method of the present invention is described in more detail the present invention.
In the actual production activity, adopt ice cream production method of the present invention, and use multithread body nozzle of the present invention, use the air pressure of aseptic compressed air to be preferably 0.1～0.8Mpa; The hydraulic pressure of sterilized water is preferably 0.1～0.6Mpa; And spray time was controlled to be in 2 seconds.
Select for use air pressure excessive, can cause the water droplet in the water smoke very few, prolong spray time, reduce production efficiency; Select for use air pressure too small, then can produce the uneven bad image of spraying.
Select for use hydraulic pressure excessive, can produce the uneven harmful effect of spraying; Select for use hydraulic pressure too small, then can prolong spray time, reduce production efficiency.
Therefore, three factors need be taken its preferred operation parameter into consideration more than.And, in the production process of reality, also to select best parameter combination according to the difference of ice cream shape, size, just can obtain best effect.
In the production of reality, when spraying nilas, the thickness that is preferably formed nilas is 0.15～0.3mm; And the prefreezing temperature of selecting to freeze mould is-20 ℃, and (Grams Per Second: relation g/s) is as shown in table 1 to select air pressure, hydraulic pressure and water-jet velocity
Table 1.
As shown in table 1, rationally cooperate hydraulic pressure and air pressure, by the control spray time, just can reach the thickness of desirable spraying nilas.
In sum, present technique field related work personnel can carry out various change and modification fully in the scope that does not depart from the technology of the present invention thought.Therefore, technical scope of the present invention is not limited to the content on the specification, must determine its technical scope according to interest field.
Claims (3)
1. the special nozzle of an ice cream production method, comprise: nozzle body, inner chamber pad, spray nozzle and spray nozzle gland is characterized in that: described nozzle body, and its end has air inlet, have water inlet on the exterior side wall, and be communicated to spraying end by air induction conduit and penstock respectively; The terminal center of described nozzle body has cylindric air inlet; The center line of described nozzle body is provided with air induction conduit, and described air induction conduit one end links to each other with described air inlet, and other end opening extends in the cavity of inner chamber pad formation, and is centered close on the described spray nozzle central shaft; The exterior side wall of described nozzle body has columned water inlet, and its center line is vertical with the center line of described nozzle body; And parallel with described air induction conduit and to be provided with described penstock, described penstock one end links to each other with described water inlet is terminal, and the other end is communicated with the cavity of inner chamber bed course formation.
2. a method of utilizing the special nozzle production ice cream of claim 1 ice cream production method is characterized in that it includes following steps successively: prepare burden, congeal, freeze mould, spraying nilas, can, insert chopsticks, sclerosis, thawing withdrawing pattern, packing;
The described mould that freezes is that mould is carried out prefreezing, and the temperature of prefreezing is below-20 ℃;
Described spraying nilas is that under cryogenic conditions, use aseptic compressed air and sterilized water mixed atomizing use special nozzle at mould inner wall spraying one deck water smoke, cooling back formation nilas; The air pressure of use therein aseptic compressed air is 0.1～0.8Mpa; The hydraulic pressure of the sterilized water that uses is 0.1～0.6Mpa, and spray time is in 2 seconds;
The step of described thawing withdrawing pattern is to use the hot water fusible pattern, and only described nilas is melted the ice cream that the back taking-up is freezed.
3. according to the method for the described production ice cream of claim 2, it is characterized in that: the step of described spraying nilas, by time-delay relay control spray time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100588601A CN100393227C (en) | 2005-03-30 | 2005-03-30 | Production method of ice cream and special spray nozzle for producing same |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100588601A CN100393227C (en) | 2005-03-30 | 2005-03-30 | Production method of ice cream and special spray nozzle for producing same |
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| CN1839705A CN1839705A (en) | 2006-10-04 |
| CN100393227C true CN100393227C (en) | 2008-06-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892029B (en) * | 2012-12-25 | 2016-02-17 | 内蒙古伊利实业集团股份有限公司 | Spray apparatus and apply its chocolate-sprayed method in the cold chocolate of crisp cylinder class |
| CN104222469B (en) * | 2013-06-18 | 2016-12-28 | 洛阳志振冷食机器厂 | Ice cream freezer food is lossless fast demoulding method and device thereof |
| CN109123052A (en) * | 2017-11-15 | 2019-01-04 | 段树军 | Water-bath demoulds the working method of component, ice cream production equipment and water-bath demoulding component |
| CN111207564B (en) * | 2019-09-30 | 2022-01-04 | 中国科学院上海硅酸盐研究所 | Freeze drying system and method |
| CN110959745A (en) * | 2019-12-17 | 2020-04-07 | 内蒙古蒙牛乳业（集团）股份有限公司 | Chocolate freezing device for crispy cone type cold drinks and method for keeping brittleness of chocolate crispy cone |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043864A (en) * | 1989-08-31 | 1990-07-18 | 山东省德州市哈德冷食厂 | Technology of producting ice cream with filling |
| CN1110092A (en) * | 1994-04-09 | 1995-10-18 | 崔东华 | Transparent sandwich ice cream |
-
2005
- 2005-03-30 CN CNB2005100588601A patent/CN100393227C/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043864A (en) * | 1989-08-31 | 1990-07-18 | 山东省德州市哈德冷食厂 | Technology of producting ice cream with filling |
| CN1110092A (en) * | 1994-04-09 | 1995-10-18 | 崔东华 | Transparent sandwich ice cream |
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Assignee: Hefei Yili Dairy Industry Co., Ltd. Assignor: Yili Ind Co., Ltd., Inner Mongolia Contract fulfillment period: 2009.8.15 to 2015.8.15 contract change Contract record no.: 2009340000198 Denomination of invention: Production method of ice cream and special spray nozzle for producing same Granted publication date: 20080611 License type: Exclusive license Record date: 2009.8.24 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.8.15 TO 2015.8.15; CHANGE OF CONTRACT Name of requester: HEFEI YILI DAIRY LIMITED LIABILITY COMPANY Effective date: 20090824 |