Flash evaporator

Abstract

The utility model discloses a flash evaporator used in rice noodle production. The flash evaporator comprises a pressurizing stocker, a pressurizing guide pipe and a discharge nozzle, the pressurizing stocker comprises a horn mouth and a material collecting pipe fixedly arranged at the small-diameter end of the horn mouth, the material collecting pipe is connected with the discharging nozzle through a pressurizing guide pipe, and the diameter of the material collecting pipe is larger than that of the pressurizing guide pipe. The powder dough provided by upstream equipment is subjected to primary pressurization through the pressurization storage device, the powder dough is subjected to secondary pressurization through the pressurization guide pipe, when the powder dough subjected to secondary pressurization is discharged from the discharging nozzle, the powder dough instantly enters the normal-pressure environment from the high-pressure environment, due to sudden reduction of the pressure, part of water in the powder dough is flashed into steam, and the powder dough enters the normal-pressure environment from the high-pressure environment. The starch molecules are rearranged to quickly form a certain degree of gelatinization, and after the sizes and forms of the pressurizing stocker, the pressurizing guide pipe and the discharging nozzle are determined according to actual requirements, the standardization of powder dough gelatinization processing production can be realized, so that the stable production of products is effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rice powder processing equipment technical field especially relates to a flash evaporator. BACKGROUND

[0002] After the proper gelatinization of rice powder, a translucent gel with certain elasticity and strength can be formed, and the viscoelasticity and strength of the gel have a great influence on the taste, instant performance of the rice powder and the processing and forming performance of the gel body. In the processing of rice powder / noodle, gelatinization of the powder ball is an essential step, and currently, manufacturers mainly rely on experience to adjust the process in the processing and production, lacking special equipment and accessories, which leads to instability of product forming and quality. Many experts and literature materials point out that northeast rice is not suitable for rice powder processing due to its high viscosity (i.e. high amylopectin content), and in essence, this is caused by the lack of special equipment and accessories to adjust and control the degree of gelatinization of rice powder. SUMMARY

[0003] The utility model provides a flash evaporator to provide a special accessory for the gelatinization of the powder ball.

[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is:

[0005] A flash evaporator, comprising: a pressurized storage device, a pressurized conduit and a discharge nozzle;

[0006] The pressurized storage device comprises a horn mouth and a material collecting pipe fixed to the small diameter end of the horn mouth, the material collecting pipe is connected to the discharge nozzle through the pressurized conduit, and the diameter of the material collecting pipe is greater than the diameter of the pressurized conduit.

[0007] Further, the discharge nozzle is a straight pipe discharge nozzle, the straight pipe discharge nozzle is a straight pipe, and one end of the straight pipe is provided with a thread.

[0008] Further, the discharge nozzle is a semi-open discharge nozzle, the semi-open discharge nozzle comprises a half pipe and a first conduit fixed to one end of the half pipe, and opposite baffles are fixed to both sides of the half pipe;

[0009] The diameter of the first conduit is not greater than the diameter of the pressurized conduit, and one end of the first conduit away from the half pipe is provided with a thread.

[0010] Further, the discharge nozzle is a duckbill discharge nozzle, the duckbill discharge nozzle comprises a flat mouth pipe and a second conduit fixed to one end of the flat mouth pipe, and both ends of the flat mouth pipe are smoothly connected;

[0011] The diameter of the second conduit is not greater than the diameter of the pressurized conduit, and one end of the second conduit away from the flat mouth pipe is provided with a thread.

[0012] The flat nozzle pipe is provided with a strip-shaped hole at the end away from the second conduit, and the area of the strip-shaped hole is smaller than the inner hole area of the second conduit.

[0013] Further, the discharge nozzle is a mesh screen discharge nozzle, which comprises a reducing pipe, a third conduit fixed to the small-diameter end of the reducing pipe, and a screen plate fixed to the large-diameter end of the reducing pipe, and the two ends of the reducing pipe are smoothly and transitionally connected.

[0014] The diameter of the third conduit is not greater than the diameter of the booster conduit, and the end of the third conduit away from the reducing pipe is provided with a thread.

[0015] The screen plate is uniformly provided with a plurality of discharge holes, and the diameter of the discharge holes is smaller than the diameter of the booster conduit.

[0016] Further, it further comprises an elbow, and the booster conduit and the discharge nozzle are connected through the elbow.

[0017] Further, it further comprises a tee joint, two interfaces perpendicular to each other on the tee joint are connected with the material collecting pipe and the booster conduit respectively, and the remaining interface of the tee joint is sealed through a thread plug.

[0018] Further, it further comprises a reducing joint, and the tee joint and the booster conduit are connected through the reducing joint.

[0019] Further, the booster storage device further comprises a positioning ring fixed to the large-diameter end of the horn, and the booster storage device is connected to the end of the discharge pipe of the upstream equipment through the positioning ring.

[0020] It further comprises a threaded sleeve, which is provided with an internal thread capable of being threadedly connected with the discharge pipe of the upstream equipment, and one end of the threaded sleeve is provided with a check ring, and the inner hole of the check ring allows the large-diameter end of the horn to pass through.

[0021] When the booster storage device is connected to the end of the discharge pipe of the upstream equipment through the positioning ring, the threaded sleeve is tightened, and the check ring can press the positioning ring against the end of the discharge pipe of the upstream equipment.

[0022] Further, the booster storage device, the booster conduit and the discharge nozzle are detachably connected through a pipeline connector.

[0023] Beneficial effects:

[0024] The utility model provides a kind of flash evaporator, the powder ball provided by upstream equipment is once pressurized to the pressurized storage device, the powder ball is twice pressurized to the pressurized conduit, when the powder ball of twice pressurization is discharged from discharge nozzle, powder ball enters normal pressure environment from high-pressure environment instantaneously, due to the sudden reduction of pressure, part of moisture in powder ball is flash evaporated into steam, so that starch molecule is rearranged, and a certain degree of gelatinization is formed quickly, after the size and form of pressurized storage device, pressurized conduit and discharge nozzle are determined according to actual needs, the standardization of powder ball gelatinization processing production can be realized, to effectively guarantee the stability of product. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0026] Figure 1 It is a structure schematic view of a flash evaporator disclosed by the utility model embodiment 1;

[0027] Figure 2 It is a structure schematic view of the pressurized storage device of a flash evaporator disclosed by the utility model;

[0028] Figure 3 It is a structure schematic view of semi-open discharge nozzle disclosed by the utility model embodiment 1;

[0029] Figure 4 It is a structure schematic view of straight pipe discharge nozzle disclosed by the utility model embodiment 2;

[0030] Figure 5 It is a structure schematic view of duckbill discharge nozzle disclosed by the utility model embodiment 3;

[0031] Figure 6 It is a structure schematic view of mesh screen discharge nozzle disclosed by the utility model embodiment 4;

[0032] Figure 7 It is a position schematic view of a flash evaporator and upstream and downstream equipment disclosed by the utility model;

[0033] Figure 8 It is an assembly schematic view of a flash evaporator and bulking machine disclosed by the utility model.

[0034] In the drawing:

[0035] 1, pressurized storage device;101, material collecting pipe;102, horn mouth;103, positioning ring;

[0036] 2, booster conduit;

[0037] 3, tee;

[0038] 4, plug;

[0039] 5, straight pipe;

[0040] 601, half pipe; 602, first conduit; 603, baffle;

[0041] 701, flat mouth pipe; 702, second conduit;

[0042] 801, reducing pipe; 802, third conduit; 803, sieve plate;

[0043] 9, screw sleeve; 901, check ring;

[0044] 10, reducing joint;

[0045] 11, elbow;

[0046] 12, parallel joint;

[0047] A, bulking machine; A1, discharge pipe; A2, groove; B, rice flour forming machine. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0049] Embodiment 1

[0050] The present embodiment provides a flash evaporator, as shown in Figure 1 including: booster accumulator 1, booster conduit 2 and discharge nozzle;

[0051] As shown in Figure 2 The booster accumulator 1 includes a horn 102 and a collecting pipe 101 welded to the small diameter end of the horn 102, the collecting pipe 101 is connected to the discharge nozzle through the booster conduit 2, the diameter of the collecting pipe 101 is greater than the diameter of the booster conduit 2;

[0052] The flash evaporator provided by the embodiment can provide one-time pressurization to the dough provided by the upstream equipment through the pressurized storage device 1, and can provide secondary pressurization to the dough through the pressurized pipe 2. When the dough subjected to the secondary pressurization is discharged from the discharge nozzle, the dough enters the normal pressure environment from the high pressure environment instantaneously. Due to the sudden decrease in pressure, part of the moisture in the dough is evaporated into steam, so that the starch molecules are rearranged and a certain degree of gelatinization is quickly formed. After the size and form of the pressurized storage device 1, the pressurized pipe 2 and the discharge nozzle are determined according to actual needs, the standardization of the dough gelatinization processing and production can be realized, so as to effectively ensure the stable production of products.

[0053] In specific embodiments, as shown in Figure 3 the discharge nozzle is a semi-open discharge nozzle, the semi-open discharge nozzle comprises a half pipe 601 and a first pipe 602 welded to one end of the half pipe 601, and opposite baffles 603 are fixedly arranged on both sides of the half pipe 601;

[0054] The diameter of the first pipe 602 is not greater than the diameter of the pressurized pipe 2, and a thread is arranged on the end of the first pipe 602 away from the half pipe 601;

[0055] In the embodiment, the diameter of the collecting pipe 101 is 40 mm, the diameter of the pressurized pipe 2 is 25 mm, the diameter of the first pipe 602 is the same as the diameter of the pressurized pipe 2, and the diameter of the half pipe 601 is the same as the diameter of the first pipe 602. The semi-closed structure of the half pipe 601 is beneficial to the loss of moisture in the dough and is suitable for the production of la mian using northeast rice (pure white rice) as raw material.

[0056] In specific embodiments, as shown in Figure 1 the flash evaporator further comprises an elbow 11, the pressurized pipe 2 and the discharge nozzle are connected through the elbow 11, and the elbow 11 can change the pointing direction of the discharge nozzle to align with the feeding port of the downstream equipment;

[0057] In actual production, as shown in Figure 7 the upstream equipment is an expansion machine A, and the downstream equipment is a rice powder forming machine B.

[0058] In specific embodiments, as shown in Figure 1 the flash evaporator further comprises a tee joint 3, two interfaces perpendicular to each other on the tee joint 3 are connected with the collecting pipe 101 and the pressurized pipe 2 respectively, and the remaining one interface of the tee joint 3 is plugged through a plug 4. The tee joint 3 can change the flow direction of the dough, so as to facilitate the arrangement of the flash evaporator.

[0059] In specific embodiments, as shown in Figure 1 the flash evaporator further comprises a reducing joint 10, the tee joint 3 and the pressurized pipe 2 are connected through the reducing joint 10, and the reducing joint 10 plays a transition role.

[0060] In a specific embodiment, as shown in Figure 2 The booster hopper 1 further comprises a positioning ring 103 welded and fixed to the large-diameter end of the bell mouth 102, and the booster hopper 1 is connected to the end of the discharge pipe of the upstream equipment through the positioning ring 103;

[0061] As shown in Figure 7 and Figure 8 Further comprising a threaded sleeve 9 provided with internal threads capable of being screwed to the discharge pipe of the upstream equipment, and one end of the threaded sleeve 9 is provided with a retaining ring 901, and the inner hole of the retaining ring 901 allows the large-diameter end of the bell mouth 102 to pass through;

[0062] When the booster hopper 1 is connected to the end of the discharge pipe A1 of the upstream equipment through the positioning ring 103, the threaded sleeve 9 is tightened, and the retaining ring 901 can press the positioning ring 103 tightly on the end of the discharge pipe of the upstream equipment;

[0063] In this embodiment, the upstream equipment is an expander A, which can extrude the dough out of the discharge pipe A1, and the discharge pipe A1 is provided with a groove A2 for accommodating the positioning ring 103.

[0064] In a specific embodiment, the booster hopper 1, the booster conduit 2 and the discharge nozzle are all detachably connected through pipe connectors, which are convenient to replace according to the products to be produced. In this embodiment, as shown in Figure 1 The booster hopper 1 is screwed to a tee joint 3, the tee joint 3 is connected to a reducing joint 10 through a union joint 12, the reducing joint 10 is screwed to the booster conduit 2, and the booster conduit 2 is connected to the discharge nozzle through an elbow 11;

[0065] In this embodiment, the booster hopper 1, the booster conduit 2, the discharge nozzle and the pipe connectors are all made of food-grade stainless steel.

[0066] In actual application, the pipe diameters of the booster hopper 1, the booster conduit 2, the tee joint 3 and the discharge nozzle are designed according to the gelatinization speed and capacity of the upstream expander A, and the length, thickness and outlet form of the discharge nozzle are adjusted according to the different characteristics of the material (fat, dietary fiber, protein, sugar content, etc.), the different amounts of water added during powder mixing and the different water holding capacities of the material, so that the dough can reach the best gelatinization state through flash evaporation, thereby making the rice flour / noodle forming good and the taste chewy, so as to effectively improve the product quality and product stability.

[0067] The flash evaporator provided in this embodiment can not only be used for food production, but also can be used in the feed industry. Different feeds, such as micro-puffed feed and puffed feed, are needed for livestock of different ages, and the degree of puffing of the feed can also be controlled through the flash evaporator during the feed processing.

[0068] Embodiment 2

[0069] The embodiment provides a flash evaporator, main structures of the embodiment are similar to those of the embodiment 1, and the embodiment differs from the embodiment 1 in that:

[0070] In the embodiment 1, as shown in the figure, Figure 1 the discharge nozzle is a semi-open discharge nozzle, and is suitable for the production of whole grain noodles with rough rice, black rice, millet or buckwheat as raw materials.

[0071] In the embodiment, as shown in the figure, Figure 4 the discharge nozzle is a straight pipe discharge nozzle, the straight pipe discharge nozzle is a straight pipe 5, one end of the straight pipe 5 is provided with a thread;

[0072] In the embodiment, the diameter of the material collecting pipe 101 is 40 mm, the diameter of the booster pipe 2 is 25 mm, and the diameter of the straight pipe 5 is the same as that of the booster pipe 2, the straight pipe 5 can be regarded as an extension of the booster pipe 2, can delay heat dissipation of the powder mass, reduce water loss in the powder mass, and is suitable for the production of whole grain noodles with millet or rough rice as raw materials.

[0073] Embodiment 3

[0074] The embodiment provides a flash evaporator, main structures of the embodiment are similar to those of the embodiment 1, and the embodiment differs from the embodiment 1 in that:

[0075] In the embodiment 1, as shown in the figure, Figure 1 the discharge nozzle is a semi-open discharge nozzle, and is suitable for the production of whole grain noodles with rough rice, black rice, millet or buckwheat as raw materials.

[0076] In the embodiment, as shown in the figure, Figure 5 the discharge nozzle is a duckbill discharge nozzle, the duckbill discharge nozzle comprises a flat mouth pipe 701 and a second pipe 702 welded and fixed at one end of the flat mouth pipe 701, and both ends of the flat mouth pipe 701 are smoothly and transitionally connected.

[0077] The diameter of the second pipe 702 is not greater than that of the booster pipe 2, and one end of the second pipe 702 away from the flat mouth pipe 701 is provided with a thread.

[0078] One end of the flat mouth pipe 701 away from the second pipe 702 is provided with a strip-shaped hole, and the area of the strip-shaped hole is smaller than the inner hole area of the second pipe 702.

[0079] In the embodiment, the diameter of the aggregate pipe 101 is 40mm, the diameter of the booster pipe 2 is 25mm, the diameter of the second pipe 702 is the same as the diameter of the booster pipe 2, the flat nozzle pipe 701 can increase the pressure of the discharging, control the flow rate of the dough, and the strip-shaped hole can reduce the cross-sectional area of the dough, which is beneficial to the heat dissipation of the dough, and is suitable for the production of straight noodles with white rice as the raw material.

[0080] Embodiment 4

[0081] The embodiment provides a flash evaporator, and the main structure of the embodiment is similar to that of embodiment 1, and the difference between the embodiment and embodiment 1 is as follows.

[0082] In embodiment 1, as shown in the figure, Figure 1 the discharging nozzle is a semi-open discharging nozzle, which is suitable for the production of la mian with white rice or brown rice as the raw material.

[0083] In the embodiment, as shown in the figure, Figure 6 the discharging nozzle is a mesh discharging nozzle, the mesh discharging nozzle comprises a reducing pipe 801, a third pipe 802 welded and fixed to a small-diameter end of the reducing pipe 801, and a sieve plate 803 welded and fixed to a large-diameter end of the reducing pipe 801, and both ends of the reducing pipe 801 are smoothly and transitionally connected.

[0084] The diameter of the third pipe 802 is not greater than the diameter of the booster pipe 2, and a threaded end is arranged at one end of the third pipe 802 away from the reducing pipe 801.

[0085] A plurality of discharging holes are uniformly arranged on the sieve plate 803, and the diameter of the discharging hole is smaller than the diameter of the booster pipe 2.

[0086] In the embodiment, the diameter of the aggregate pipe 101 is 40mm, the diameter of the booster pipe 2 is 25mm, the diameter of the third pipe 802 is the same as the diameter of the booster pipe 2, and the uniformly arranged discharging holes on the sieve plate 803 can increase the pressure of the discharging, and at the same time, the cross-sectional area of the dough is reduced, which is beneficial to the heat dissipation of the dough, and is suitable for the production of whole grain straight noodles with brown rice, black rice, millet and buckwheat as the raw material.

[0087] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A flash evaporator, characterized in that: include: A pressurized accumulator (1), a pressurized conduit (2) and a discharge nozzle; The pressurized accumulator (1) comprises a bell mouth (102) and a collecting pipe (101) fixed to the small-diameter end of the bell mouth (102); the collecting pipe (101) is connected to the discharge nozzle via a pressurized conduit (2); and the diameter of the collecting pipe (101) is larger than the diameter of the pressurized conduit (2).

2. A flash evaporator according to claim 1, characterized in that: The discharge nozzle is a straight tube discharge nozzle, and the straight tube discharge nozzle is a straight tube (5), and one end of the straight tube (5) is provided with a thread.

3. A flash evaporator according to claim 1, characterized in that: The discharge nozzle is a semi-open discharge nozzle, comprising a half pipe (601) and a first conduit (602) fixed to one end of the half pipe (601), and oppositely arranged baffles (603) fixed on both sides of the half pipe (601); The diameter of the first conduit (602) is not greater than the diameter of the boosting conduit (2), and one end of the first conduit (602) away from the half-tube (601) is provided with a thread.

4. A flash evaporator according to claim 1, characterized in that: The discharging spout is a duckbill discharging spout, comprising a flat-billed tube (701) and a second conduit (702) fixedly arranged at one end of the flat-billed tube (701), wherein both ends of the flat-billed tube (701) are smoothly transitionally connected; The diameter of the second conduit (702) is not greater than the diameter of the boosting conduit (2), and one end of the second conduit (702) away from the flat nozzle tube (701) is provided with a thread; One end of the flat nozzle tube (701) away from the second conduit (702) is provided with a strip hole, and the area of ​​the strip hole is smaller than the inner hole area of ​​the second conduit (702).

5. A flash evaporator according to claim 1, characterized in that: The discharge nozzle is a mesh screen discharge nozzle, comprising a reducer (801), a third conduit (802) fixedly arranged at the small-diameter end of the reducer (801), and a sieve plate (803) fixedly arranged at the large-diameter end of the reducer (801), with both ends of the reducer (801) being smoothly transitionally connected; The diameter of the third conduit (802) is not greater than the diameter of the boosting conduit (2), and a thread is provided on one end of the third conduit (802) away from the reducing tube (801); A plurality of discharge holes are evenly distributed on the sieve plate (803), and the diameter of the discharge holes is smaller than the diameter of the boosting conduit (2).

6. A flash evaporator according to claim 1, characterized in that: It also includes an elbow (11), and the pressurizing conduit (2) and the discharge nozzle are connected via the elbow (11).

7. A flash evaporator according to claim 1, characterized in that: It also includes a tee (3), two mutually perpendicular interfaces on the tee (3) are respectively connected to the collecting pipe (101) and the boosting conduit (2), and the remaining interface of the tee (3) is blocked by a wire plug (4).

8. A flash evaporator according to claim 7, characterized in that: It also includes a reducing joint (10), and the tee (3) and the boosting conduit (2) are connected via the reducing joint (10).

9. A flash evaporator according to claim 1, characterized in that: The pressurized accumulator (1) further comprises a positioning ring (103) fixedly mounted on the large-diameter end of the bell mouth (102), and the pressurized accumulator (1) is connected to the end of the discharge pipe of the upstream equipment via the positioning ring (103); It also includes a screw sleeve (9), the screw sleeve (9) is provided with an internal thread capable of being threadedly connected to a discharge pipe of an upstream device, and one end of the screw sleeve (9) is provided with a retaining ring (901), the inner hole of the retaining ring (901) allows the large diameter end of the bell mouth (102) to pass through; When the pressurized accumulator (1) is docked with the end of the discharge pipe of the upstream device via the positioning ring (103), the screw sleeve (9) is tightened, and the retaining ring (901) can press the positioning ring (103) onto the end of the discharge pipe of the upstream device.

10. A flash evaporator according to claim 1, characterized in that: The pressurized accumulator (1), the pressurized conduit (2) and the discharge nozzle are all detachably connected via a pipe connector.

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