CN104146051A - Liquid nitrogen refrigeration tunnel machine - Google Patents
Liquid nitrogen refrigeration tunnel machine Download PDFInfo
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- CN104146051A CN104146051A CN201410254009.5A CN201410254009A CN104146051A CN 104146051 A CN104146051 A CN 104146051A CN 201410254009 A CN201410254009 A CN 201410254009A CN 104146051 A CN104146051 A CN 104146051A
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Abstract
The invention discloses a liquid nitrogen refrigeration tunnel machine and aims to provide the liquid nitrogen refrigeration tunnel machine which can effectively avoid a problem that aquatic products are easily frozen and stuck together and are difficult to separate in a freezing process of the aquatic products including fishes and the like. The liquid nitrogen refrigeration tunnel machine comprises a refrigeration chamber, a rubber cushion block arranged on the bottom surface of the refrigeration chamber, a supporting bottom frame fixedly arranged above the rubber cushion block, and a net belt conveyor arranged above the supporting bottom frame by a first supporting frame, wherein at least one vibrator is arranged on the supporting bottom frame; a feeding hole is formed in one side of the refrigeration chamber and a discharge hole is formed in the other side of the refrigeration chamber; the net belt conveyor comprises a driving chain wheel, a driven chain wheel and a conveying net belt wound around the driving chain wheel and the driven chain wheel; the conveying net belt extends in a direction from the feeding hole to the discharge hole; a feeding conveying belt is arranged at the feeding hole and is located above the conveying net belt; and the conveying direction of the feeding conveying belt is the same as that of the conveying net belt.
Description
Technical field
The present invention relates to a kind of freezing equipment, be specifically related to one to aquatic products, especially fish products is carried out to freezing liquid nitrogen frozen tunnel machine.
Background technology
Freezing the referring to of aquatic products utilized the activity of cryogenic conditions inhibition aquatic products autolysis enzyme and the breeding of attached microbial, and slows down the chemical reaction velocities such as its lipid oxidation, nonenzymatic browning, makes it can keep at duration of storage the low-temp antistaling method of fine quality.Aquatic products are freezing roughly to be comprised cold storing and fresh-keeping and freezes fresh-keeping two class methods, and wherein freezing fresh-keeping method is mainly first by freezing equipment, fresh aquatic product to be carried out to quick-frozen.Liquid nitrogen frozen equipment has energy snap frozen product, tides over ice crystal generation band because of it, prevent that the formation of large ice crystal in food cell from destroying cell membrane, keep preferably the feature of the original local flavor of product and quality, become a kind of superior freezing equipment of current aquatic products in freezing.Liquid nitrogen frozen technique conventionally adopts liquid nitrogen is directly sprayed onto to aquatic products (fish body) above, makes aquatic products reach the object of snap frozen.
Current liquid nitrogen frozen equipment is divided into cabinet type and tunnel type liquid nitrogen frozen equipment conventionally, wherein tunnel type liquid nitrogen frozen equipment adopts conveyer belt to transmit frozen product, and aquatic products being carried out freezingly in transport process, it is applicable to the freezing production of large batch of aquatic products; But current tunnel type liquid nitrogen frozen equipment has the following disadvantages: one, and the aquatic products such as fish, in refrigerating process, easily freeze together between each aquatic products mutually, are difficult to split; They are two years old, adopt belt-type conveyer belt to carry in the process of aquatic products, the a certain position of aquatic products will be fitted on conveyer belt, and especially the fitting area of fish and conveyer belt is larger, and this causes the freezing efficiency on the aquatic products surface of fitting with conveyer belt to reduce (cannot be directly sprayed onto by liquid nitrogen); In order to improve this deficiency, conventionally adopt at present transmission net to bring and replace belt-type conveyer belt, on foraminous conveyer, there is a large amount of mesh and can reduce greatly the contact area between the aquatic products such as fish and conveyer belt, and liquid nitrogen can be sprayed onto by mesh the aquatic products surfaces such as fish, effectively improves aquatic products freezing efficiency; But adopt transmission net to bring conveying aquatic products, while especially carrying the less or efoliolate fish products of some scales (as yellow croaker, butterfish, cod, opium fish, how precious fish, saury etc.), this class fish products is at the beginning of freezing, and its surface is comparatively soft; And contact area between the aquatic products such as foraminous conveyer and fish is very little, this has caused being placed on the fish products surface on foraminous conveyer and will produce darker crisscross netted impression, these netted impressions by being cured along with the freezing of aquatic products, inscription rubbing is in fish surface, this has not only affected fish products presentation quality greatly; And the netted impression solidifying also easily affects the flesh of fish original local flavor, mouthfeel and quality.
Summary of the invention
The first object of the present invention be for overcome tunnel type liquid nitrogen frozen equipment of the prior art at aquatic products such as fish in refrigerating process, between each aquatic products, easily mutually freeze together, be difficult to the problem splitting, provide one effectively to avoid the aquatic products such as fish in refrigerating process, between each aquatic products, easily mutually freeze together, be difficult to the liquid nitrogen frozen tunnel machine of the problem splitting.
Second object of the present invention on the first object basis is when overcoming tunnel type liquid nitrogen frozen equipment of the prior art and to adopt transmission net to bring to carry the less or efoliolate fish products of scale, on fish products surface after freezing, darker crisscross netted impression will be produced, the problem of the impact flesh of fish original local flavor, mouthfeel and quality; Providing a kind of is not affecting under the prerequisite of freezing efficiency, effectively improve while adopting foraminous conveyer to carry the less or efoliolate fish products of scale, on fish products surface after freezing, will produce the problem of darker crisscross netted impression, can keep preferably the liquid nitrogen frozen tunnel machine of the original local flavor of fish products, mouthfeel and quality.
Technical scheme of the present invention is:
A kind of liquid nitrogen frozen tunnel machine comprises refrigerating chamber, is arranged on the rubber cushion blocks on refrigerating chamber bottom surface, is fixedly installed on the support underframe of rubber cushion blocks top and is arranged on the wired belt conveyer above support underframe by the first bracing frame, described support underframe is provided with at least one vibrator, one side of described refrigerating chamber is provided with charging aperture, relative opposite side is provided with discharging opening, described wired belt conveyer comprises drive sprocket, driven sprocket and around the foraminous conveyer of drive sprocket and driven sprocket, described foraminous conveyer is extended toward discharging opening direction from charging aperture, described charging aperture place is provided with feeding web, this feeding web is positioned at foraminous conveyer top, and the direction of transfer of feeding web is identical with the direction of transfer of foraminous conveyer, the outer end of feeding web is positioned at charging aperture outside, the inner of feeding web is toward interior extension, and be positioned at above foraminous conveyer.
Because support underframe and the wired belt conveyer of this programme are arranged on rubber cushion blocks, there is vibration by a small margin in the whole wired belt conveyer of drive that can fall again in the time of vibrator works; Thereby work as aquatic products and carry by foraminous conveyer, and in course of conveying, aquatic products are carried out when freezing, can by vibrator drive transmission net and on aquatic products constantly vibrate, thereby effectively avoid the aquatic products such as fish in refrigerating process, between each aquatic products, easily mutually freeze together, be difficult to the problem splitting.
As preferably, also comprise by the second bracing frame and be arranged on the trace conveyer mechanism that disappears on support underframe, described foraminous conveyer comprises and is positioned at the epimere foraminous conveyer of drive sprocket and driven sprocket top and is positioned at drive sprocket and the hypomere foraminous conveyer of driven sprocket below; The described trace conveyer mechanism that disappears is between epimere foraminous conveyer and hypomere foraminous conveyer, and close charging aperture; The described trace conveyer mechanism that disappears comprises two delivery wheels and the conveyer belt around two delivery wheels, and the direction of transfer of conveyer belt is identical with the direction of transfer of foraminous conveyer; Evenly distributed on the outer surface of described conveyer belt have a suitable trace double wedge that disappears of some and mesh foraminous conveyer, and the each mesh that is positioned at the epimere foraminous conveyer directly over conveyer belt is inserted with respectively the trace double wedge that disappears, the end face of the trace double wedge that disappears in each mesh is from lower to upper through mesh, and be positioned at the top of epimere foraminous conveyer, the height of projection of trace double wedge of respectively disappearing is identical, and the end face of the trace double wedge that respectively disappears is plane; Respectively disappear in trace double wedge and be provided with air guide cavity, respectively disappear on the end face of trace double wedge root and be respectively equipped with the root port communicating with air guide cavity, and conveyer belt is provided with some and each root port air inlet through hole one to one, respectively disappears on trace double wedge lateral surface, be respectively equipped with some steam vents that communicate with air guide cavity by the top of the trace double wedge that disappears; Between described two delivery wheels, have some spouts trace liquid nitrogen shower nozzle that disappears upward along conveyer belt direction is evenly distributed; The inner of described feeding web is toward interior extension, and near disappearing the conveyer belt of trace conveyer mechanism, and between the inner and conveyer belt of feeding web, be positioned at foraminous conveyer top and be provided with transition feeding slide plate.
In this programme, be inserted with respectively the trace double wedge that disappears owing to being positioned at each mesh of the epimere foraminous conveyer directly over conveyer belt, and the end face of the trace double wedge that respectively disappears is from lower to upper through mesh, be positioned at the top of epimere foraminous conveyer, the end face of trace double wedge of respectively disappearing will form a supporting plane above foraminous conveyer, and the area sum in the gap respectively disappearing between trace double wedge is much smaller than the area sum of the trace double wedge end face that respectively disappears, and in the time that aquatic products are carried along feeding web toward foraminous conveyer, first aquatic products will be transported on the supporting plane being formed by the trace double wedge end face that respectively disappears, thereby when scale is less or be placed in without scale fish products respectively disappear trace double wedge end face form supporting plane on time, because fish products surface is very large with the contact area of the trace double wedge end face that respectively disappears, the impression that now can not produce impression or generation on fish products surface is extremely shallow, and fish products is in the supporting plane transport process forming along the trace double wedge end face that respectively disappears, the trace liquid nitrogen shower nozzle that respectively disappears up sprays liquid nitrogen, this liquid nitrogen is ejected on the fish products surface respectively disappearing on trace double wedge end face by air inlet through hole, root port, air guide cavity and steam vent successively, and the lower surface of fish products is carried out to quick-frozen, sclerosis, thereby after the supporting plane that fish products is formed by the trace double wedge end face that respectively disappears is sent on foraminous conveyer, due to lower surface (the fish products surface contacting with foraminous conveyer) the process quick-frozen of fish products, sclerosis, thereby after this fish products is carried on foraminous conveyer, and the fish products surface contacting with foraminous conveyer in freezing process can not produce crisscross netted impression, effectively improve while adopting foraminous conveyer to carry the less or efoliolate fish products of scale, on fish products surface after freezing, easily produce the problem of crisscross netted impression, it can keep the original local flavor of fish products preferably, mouthfeel and quality.
As preferably, the aperture area of the mesh that the area of the trace double wedge end face that respectively disappears is foraminous conveyer 75% to 95% between.This programme structure ensures in the time that fish products is placed on the supporting plane being formed by the trace double wedge end face that respectively disappears, and the trace double wedge end face that disappears that the trace double wedge that disappears can provide a large contact surface to amass ensures that fish products surface is large with the contact area of the trace double wedge end face that respectively disappears; Effectively improve the impression that fish products surface produces, the impression that can not produce impression or generation on fish products surface is extremely shallow.
As preferably, in each air guide cavity, the air guide cavity inner top surface relative with root port be provided with the taper air guide projection toward root port direction projection.
As preferably, transition feeding slide plate is from feeding web toward the oblique downward-extension of conveyer belt direction, and the upper end of transition feeding slide plate is near the inner of feeding web, and the lower end of transition feeding slide plate extends to conveyer belt top.
As preferably, discharging opening place is provided with discharge bucket, and the inner of discharge bucket is near the end of foraminous conveyer, the outer end of discharge bucket through discharging opening, be positioned at discharging opening outside, and discharge bucket is by its inner oblique downward-extension outward.
As preferably, the relative both sides of foraminous conveyer are respectively equipped with the vertical backplate extending along foraminous conveyer direction.
As preferably, in refrigerating chamber, be positioned at foraminous conveyer top and be provided with some upper freezing liquid nitrogen shower nozzles that are equally spaced along foraminous conveyer direction, and the spout of upper freezing liquid nitrogen shower nozzle arranges down; In refrigerating chamber, between drive sprocket and driven sprocket, be provided with some lower freezing liquid nitrogen shower nozzles that are equally spaced along foraminous conveyer direction, and the spout of lower freezing liquid nitrogen shower nozzle arranges upward.
As preferably, upper freezing liquid nitrogen shower nozzle and lower freezing liquid nitrogen shower nozzle are in staggered distribution.
The invention has the beneficial effects as follows:
One, can effectively avoid the aquatic products such as fish in refrigerating process, easily mutually freezes together, is difficult to the problem splitting between each aquatic products;
Its two, effectively improve while adopting foraminous conveyer to carry the less or efoliolate fish products of scale, on the fish products surface after freezing, will produce the problem of darker crisscross netted impression; Can keep preferably the original local flavor of fish products, mouthfeel and quality.
Brief description of the drawings
Fig. 1 is a kind of structural representation of a kind of liquid nitrogen frozen tunnel machine in embodiments of the invention 1.
Fig. 2 is a kind of partial structurtes schematic diagram of the foraminous conveyer in embodiments of the invention 1.
Fig. 3 is that Fig. 1 is the partial enlarged drawing at middle A place.
Fig. 4 be the foraminous conveyer in embodiments of the invention 1 match with the trace double wedge that disappears place a kind of partial structurtes schematic diagram.
Fig. 5 is a kind of partial structurtes schematic diagram of the foraminous conveyer in embodiments of the invention 2.
Fig. 6 be the foraminous conveyer in embodiments of the invention 2 match with the trace double wedge that disappears place a kind of partial structurtes schematic diagram.
In figure: refrigerating chamber 1; Foraminous conveyer 2, epimere foraminous conveyer 2a, hypomere foraminous conveyer 2b, net sheet 21, rod 22, mesh 23; Upper freezing liquid nitrogen shower nozzle 3a, lower freezing liquid nitrogen shower nozzle 3b; Transition feeding slide plate 4; Charging aperture 5; Feeding web 6; Drive sprocket 7a, driven sprocket 7b; Conveyer belt 8, air inlet through hole 81; The trace double wedge 9 that disappears, air guide cavity 91, steam vent 92, air guide projection 93; The second bracing frame 10; Support underframe 11; Vibrator 12; Rubber cushion blocks 13; The first bracing frame 14; Discharge bucket 15; Discharging opening 16; Vertically backplate 17; Trace liquid nitrogen shower nozzle 18 disappears.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
Embodiment 1: as shown in Figure 1, a kind of liquid nitrogen frozen tunnel machine comprises refrigerating chamber 1, be arranged on the rubber cushion blocks 13 on refrigerating chamber bottom surface, be fixedly installed on the support underframe 11 of rubber cushion blocks top, be arranged on the wired belt conveyer of support underframe top and be arranged on the trace conveyer mechanism that disappears on support underframe by the second bracing frame 10 by the first bracing frame 14.Support underframe is provided with four vibrators that are equally spaced 12, and vibrator is positioned at support underframe below.One side of refrigerating chamber is provided with charging aperture 5, and relative opposite side is provided with discharging opening 16.
Wired belt conveyer comprises drive sprocket 7a, driven sprocket 7b and the foraminous conveyer 2 around drive sprocket and driven sprocket.Foraminous conveyer is extended toward discharging opening direction from charging aperture.Foraminous conveyer is horizontally disposed with.The length of foraminous conveyer is between 2 meters to 5 meters, and the length of the foraminous conveyer in the present embodiment is 2 meters or 3 meters or 4 meters or 5 meters.Foraminous conveyer comprises and is positioned at the epimere foraminous conveyer 2a of drive sprocket and driven sprocket top and is positioned at drive sprocket and the hypomere foraminous conveyer 2b of driven sprocket below.
The relative both sides of foraminous conveyer are respectively equipped with the vertical backplate 17 extending along foraminous conveyer direction.In refrigerating chamber, be positioned at foraminous conveyer top and be provided with some upper freezing liquid nitrogen shower nozzle 3a that are equally spaced along foraminous conveyer direction, and the spout of upper freezing liquid nitrogen shower nozzle arranges down.In refrigerating chamber, between drive sprocket and driven sprocket, be provided with some lower freezing liquid nitrogen shower nozzle 3b that are equally spaced along foraminous conveyer direction, be specifically, in refrigerating chamber, between epimere foraminous conveyer and hypomere foraminous conveyer, be provided with some lower freezing liquid nitrogen shower nozzles that are equally spaced along foraminous conveyer direction.The spout of lower freezing liquid nitrogen shower nozzle arranges upward.Upper freezing liquid nitrogen shower nozzle and lower freezing liquid nitrogen shower nozzle are in staggered distribution.
As shown in Figure 2, the foraminous conveyer in the present embodiment is Great Wall guipure.Great Wall guipure is made up of some net sheets 21 and rod 22.Great Wall guipure has some mesh 23.Great Wall guipure is large mesh foraminous conveyer.Great Wall guipure has that mesh area is large, and wire side is smooth, operate steadily, and the feature that can not wander off.
As shown in Fig. 1, Fig. 3, Fig. 4, disappear trace conveyer mechanism between epimere foraminous conveyer and hypomere foraminous conveyer, and near charging aperture.The trace conveyer mechanism that disappears comprises two delivery wheels and the conveyer belt 8 around two delivery wheels, and the direction of transfer of conveyer belt is identical with the direction of transfer of foraminous conveyer.Conveyer belt is horizontally disposed with.The length of conveyer belt is between 0.5 meter to 1 meter, and the length of the conveyer belt in the present embodiment is 0.5 meter or 0.7 meter or 0.8 meter or 1 meter.Evenly distributed on the outer surface of conveyer belt have the suitable trace double wedge 9 that disappears of some and mesh 23 foraminous conveyer 2, and the each mesh that is positioned at the epimere foraminous conveyer directly over conveyer belt is inserted with respectively the trace double wedge that disappears.The trace double wedge that disappears on the outer surface of conveyer belt is meshed with the mesh of foraminous conveyer.The end face of the trace double wedge that disappears in each mesh passes mesh from lower to upper, and is positioned at the top of epimere foraminous conveyer.The height of projection of trace double wedge of respectively disappearing is identical, and the end face of the trace double wedge that respectively disappears is plane.The end face that is positioned at the trace double wedge that respectively disappears of epimere foraminous conveyer top forms a supporting plane above foraminous conveyer.The aperture area of the mesh that the area of trace double wedge end face of respectively disappearing is foraminous conveyer 75% to 95% between, 75% or 80% or 85% or 90% to 95% of the aperture area of the mesh that the area of the trace double wedge end face that respectively disappears in this enforcement is foraminous conveyer.
As shown in Figure 3, respectively the disappear sectional area of trace double wedge 9 is reduced toward end gradually from its root.Respectively disappear in trace double wedge and be provided with air guide cavity 91.Respectively disappear on the end face of trace double wedge root and be respectively equipped with the root port communicating with air guide cavity, and conveyer belt is provided with some and each root port air inlet through hole 81 one to one.Respectively disappear on trace double wedge lateral surface, be respectively equipped with four steam vents 92 that communicate with air guide cavity by the top of the trace double wedge that disappears.In each air guide cavity, the air guide cavity inner top surface relative with root port be provided with the taper air guide projection 93 toward root port direction projection.Between two delivery wheels, have some spouts trace liquid nitrogen shower nozzle 18 that disappears upward along conveyer belt direction is evenly distributed.
As shown in Figure 1, charging aperture place is provided with feeding web 6.Feeding web is horizontally disposed with.This feeding web is positioned at foraminous conveyer top, and the direction of transfer of feeding web is identical with the direction of transfer of foraminous conveyer.The outer end of feeding web is positioned at charging aperture outside.The inner of feeding web is toward interior extension and be positioned at foraminous conveyer top, and specifically, the inner of feeding web is toward interior extension, and near the conveyer belt of the trace conveyer mechanism that disappears.Between the inner and conveyer belt of feeding web, be positioned at foraminous conveyer top and be provided with transition feeding slide plate 4.Transition feeding slide plate is from feeding web toward the oblique downward-extension of conveyer belt direction.The upper end of transition feeding slide plate is near the inner of feeding web, and the lower end of transition feeding slide plate extends to conveyer belt top.
Discharging opening place is provided with discharge bucket 15.The inner of discharge bucket is near the end of foraminous conveyer.The outer end of discharge bucket is passed discharging opening, is positioned at discharging opening outside, and discharge bucket is by its inner oblique downward-extension outward.
The specific works process of the liquid nitrogen frozen tunnel machine in the present embodiment is as follows:
A by being laid on feeding web of aquatic products individual layer, is carried aquatic products from feeding web in refrigerating chamber;
B, aquatic products are transported on the supporting plane that is positioned at epimere foraminous conveyer top, is formed by the end face of the trace double wedge that respectively disappears along transition feeding slide plate.Because foraminous conveyer is Great Wall guipure, the aperture openings area of Great Wall guipure is large, and the area of the trace double wedge end face that respectively disappears is large, and the gap respectively disappearing between trace double wedge is much smaller than the area of the trace double wedge end face that respectively disappears; Thereby in the time that the scale in aquatic products is less or be placed on the supporting plane being formed by the trace double wedge end face that respectively disappears without scale fish products, because fish products surface is very large with the contact area of the trace double wedge end face that respectively disappears, the impression that now can not produce impression or generation on fish products surface is extremely shallow.
The transporting velocity of conveyer belt of trace conveyer mechanism of disappearing is identical with the transporting velocity of foraminous conveyer, thereby ensure that foraminous conveyer and conveyer belt are in running, the trace double wedge that respectively disappears on conveyer belt can be meshed with the mesh of epimere foraminous conveyer (be that a part on the conveyer belt trace double wedge that disappears can constantly snap in the mesh of epimere foraminous conveyer, the trace double wedge that disappears of the another part on conveyer belt can constantly be deviate from the mesh by epimere foraminous conveyer); In conveyer belt and foraminous conveyer running, the each mesh that is positioned at the epimere foraminous conveyer directly over conveyer belt is inserted with respectively the trace double wedge that disappears all the time, and above foraminous conveyer, forms a supporting plane at the end face that is positioned at the trace double wedge that respectively disappears above epimere foraminous conveyer.
In conveyer belt running, the supporting plane transmission that fish products forms along the trace double wedge end face that respectively disappears; In the supporting plane transport process forming along the trace double wedge end face that respectively disappears in fish products, the trace liquid nitrogen shower nozzle that respectively disappears up sprays liquid nitrogen, this liquid nitrogen is ejected on the fish products lower surface respectively disappearing on trace double wedge end face by air inlet through hole, root port, air guide cavity and steam vent successively, the lower surface of fish products is carried out to quick-frozen, make the lower surface sclerosis of fish products; Thereby after the supporting plane that aquatic products form along the trace double wedge end face that respectively disappears is sent on foraminous conveyer, the fish products lower surface contacting with foraminous conveyer, by not producing crisscross netted impression, can keep the original local flavor of fish products, mouthfeel and quality preferably again.
C, after the supporting plane that aquatic products form along the trace double wedge end face that respectively disappears is sent on foraminous conveyer, aquatic products are carried along foraminous conveyer; And carry out freezing by upper freezing liquid nitrogen shower nozzle and lower freezing liquid nitrogen spray to aquatic products.
D, freezing export along discharge bucket afterwards outside aquatic products.
On the other hand, in the process of carrying along conveyer belt and foraminous conveyer at aquatic products, can drive conveyer belt and foraminous conveyer synchronous vibration by vibrator, and then drive the aquatic products on it constantly to vibrate, thereby effectively avoid the aquatic products such as fish in refrigerating process, between each aquatic products, easily mutually freeze together, be difficult to the problem splitting.
Embodiment 2, all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As shown in Figure 5, Figure 6, the foraminous conveyer 2 in the present embodiment can also be set to B-mode guipure.B-mode guipure has a large amount of mesh 23.B-mode guipure is large mesh foraminous conveyer.It is large that B-mode guipure has mesh area, the feature rotate flexibly, stationarity being good.
Claims (9)
1. a liquid nitrogen frozen tunnel machine, it is characterized in that, comprise refrigerating chamber (1), be arranged on the rubber cushion blocks (13) on refrigerating chamber bottom surface, be fixedly installed on the support underframe (11) of rubber cushion blocks top and be arranged on the wired belt conveyer above support underframe by the first bracing frame (14), described support underframe is provided with at least one vibrator (12), one side of described refrigerating chamber is provided with charging aperture (5), relative opposite side is provided with discharging opening (16), described wired belt conveyer comprises drive sprocket, driven sprocket and around the foraminous conveyer (2) of drive sprocket and driven sprocket, described foraminous conveyer is extended toward discharging opening direction from charging aperture, described charging aperture place is provided with feeding web (6), this feeding web is positioned at foraminous conveyer top, and the direction of transfer of feeding web is identical with the direction of transfer of foraminous conveyer, the outer end of feeding web is positioned at charging aperture outside, the inner of feeding web is toward interior extension, and be positioned at above foraminous conveyer.
2. a kind of liquid nitrogen frozen tunnel machine according to claim 1, it is characterized in that, also comprise by the second bracing frame (10) and be arranged on the trace conveyer mechanism that disappears on support underframe, described foraminous conveyer comprises and is positioned at the epimere foraminous conveyer (2a) of drive sprocket and driven sprocket top and is positioned at drive sprocket and the hypomere foraminous conveyer (2b) of driven sprocket below; The described trace conveyer mechanism that disappears is between epimere foraminous conveyer and hypomere foraminous conveyer, and close charging aperture; The described trace conveyer mechanism that disappears comprises two delivery wheels and the conveyer belt (8) around two delivery wheels, and the direction of transfer of conveyer belt is identical with the direction of transfer of foraminous conveyer; Evenly distributed on the outer surface of described conveyer belt have a suitable trace double wedge (9) that disappears of some and mesh (23) foraminous conveyer (2), and the each mesh that is positioned at the epimere foraminous conveyer directly over conveyer belt is inserted with respectively the trace double wedge that disappears, the end face of the trace double wedge that disappears in each mesh is from lower to upper through mesh, and be positioned at the top of epimere foraminous conveyer, the height of projection of trace double wedge of respectively disappearing is identical, and the end face of the trace double wedge that respectively disappears is plane; Respectively disappear in trace double wedge and be provided with air guide cavity (91), respectively disappear on the end face of trace double wedge root and be respectively equipped with the root port communicating with air guide cavity, and conveyer belt is provided with some and each root port air inlet through hole (81) one to one, respectively disappears on trace double wedge lateral surface, is respectively equipped with some steam vents that communicate with air guide cavity (92) by the top of the trace double wedge that disappears; Between described two delivery wheels, have some spouts trace liquid nitrogen shower nozzle (18) that disappears upward along conveyer belt direction is evenly distributed; The inner of described feeding web is toward interior extension, and near disappearing the conveyer belt of trace conveyer mechanism, and between the inner and conveyer belt of feeding web, be positioned at foraminous conveyer top and be provided with transition feeding slide plate (4).
3. a kind of liquid nitrogen frozen tunnel machine according to claim 2, is characterized in that, the aperture area of the mesh that the described area that respectively disappears trace double wedge end face is foraminous conveyer 75% to 95% between.
4. a kind of liquid nitrogen frozen tunnel machine according to claim 2, is characterized in that, in each air guide cavity, the air guide cavity inner top surface relative with root port be provided with the taper air guide projection (93) toward root port direction projection.
5. according to a kind of liquid nitrogen frozen tunnel machine described in claim 2 or 3 or 4, it is characterized in that, described transition feeding slide plate is from feeding web toward the oblique downward-extension of conveyer belt direction, the upper end of transition feeding slide plate is near the inner of feeding web, and the lower end of transition feeding slide plate extends to conveyer belt top.
6. a kind of liquid nitrogen frozen tunnel machine according to claim 1, it is characterized in that, described discharging opening place is provided with discharge bucket (15), the inner of discharge bucket is near the end of foraminous conveyer, the outer end of discharge bucket is passed discharging opening, is positioned at discharging opening outside, and discharge bucket is by its inner oblique downward-extension outward.
7. according to a kind of liquid nitrogen frozen tunnel machine described in claim 1 or 2 or 3, it is characterized in that, the relative both sides of described foraminous conveyer are respectively equipped with the vertical backplate extending along foraminous conveyer direction.
8. according to a kind of liquid nitrogen frozen tunnel machine described in claim 1 or 2 or 3, it is characterized in that, in described refrigerating chamber, be positioned at foraminous conveyer top and be provided with some upper freezing liquid nitrogen shower nozzles (3a) that are equally spaced along foraminous conveyer direction, and the spout of upper freezing liquid nitrogen shower nozzle arranges down; In refrigerating chamber, between drive sprocket and driven sprocket, be provided with some lower freezing liquid nitrogen shower nozzles (3b) that are equally spaced along foraminous conveyer direction, and the spout of lower freezing liquid nitrogen shower nozzle arranges upward.
9. a kind of liquid nitrogen frozen tunnel machine according to claim 8, is characterized in that, upper freezing liquid nitrogen shower nozzle and lower freezing liquid nitrogen shower nozzle are in staggered distribution.
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| CN201410254009.5A CN104146051B (en) | 2014-06-10 | 2014-06-10 | A kind of liquid nitrogen frozen tunnel machine |
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| CN201410254009.5A CN104146051B (en) | 2014-06-10 | 2014-06-10 | A kind of liquid nitrogen frozen tunnel machine |
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| CN104146051B CN104146051B (en) | 2016-04-06 |
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| CN104720074A (en) * | 2015-04-21 | 2015-06-24 | 温中彬 | Liquid-nitrogen self-producing mobile frozen-storage production line |
| CN104824715A (en) * | 2015-04-15 | 2015-08-12 | 浙江海洋学院 | Sousing and freezing integrated processing apparatus and aquatic product processing method based on sousing and freezing integrated processing apparatus |
| CN105815432A (en) * | 2016-03-17 | 2016-08-03 | 舟山凌然科技有限公司 | Split type liquid nitrogen tunnel freezer |
| CN109043292A (en) * | 2018-08-27 | 2018-12-21 | 安徽省皖美食品有限公司 | A kind of oscillatory type automated food quick-freezing plant |
| CN109130030A (en) * | 2018-10-31 | 2019-01-04 | 扬中市佳阳氟塑有限公司 | A kind of unhairing edge system of sealing ring containing skeleton rubber |
| CN109393006A (en) * | 2018-11-09 | 2019-03-01 | 浙江省海洋水产研究所 | A kind of swimming crab liquid nitrogen flash freezer equipment |
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| CN104824715A (en) * | 2015-04-15 | 2015-08-12 | 浙江海洋学院 | Sousing and freezing integrated processing apparatus and aquatic product processing method based on sousing and freezing integrated processing apparatus |
| CN104824715B (en) * | 2015-04-15 | 2021-12-17 | 浙江海洋学院 | Pickling and freezing integrated processing device and aquatic product processing method based on same |
| CN104720074A (en) * | 2015-04-21 | 2015-06-24 | 温中彬 | Liquid-nitrogen self-producing mobile frozen-storage production line |
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| CN105815432B (en) * | 2016-03-17 | 2019-08-09 | 舟山凌然科技有限公司 | Split type liquid nitrogen tunnel freezer |
| CN109043292A (en) * | 2018-08-27 | 2018-12-21 | 安徽省皖美食品有限公司 | A kind of oscillatory type automated food quick-freezing plant |
| CN109130030A (en) * | 2018-10-31 | 2019-01-04 | 扬中市佳阳氟塑有限公司 | A kind of unhairing edge system of sealing ring containing skeleton rubber |
| CN109393006B (en) * | 2018-11-09 | 2021-11-23 | 浙江省海洋水产研究所 | Liquid nitrogen quick freezing equipment for portunids |
| CN109393006A (en) * | 2018-11-09 | 2019-03-01 | 浙江省海洋水产研究所 | A kind of swimming crab liquid nitrogen flash freezer equipment |
| CN110089550A (en) * | 2019-04-03 | 2019-08-06 | 浙江大学舟山海洋研究中心 | A kind of seafood fish refrigerated structure and method |
| CN110100872A (en) * | 2019-04-03 | 2019-08-09 | 浙江大学舟山海洋研究中心 | A kind of aquatic products quality fidelity systems and method |
| CN110089550B (en) * | 2019-04-03 | 2022-06-17 | 浙江大学舟山海洋研究中心 | Marine fish refrigeration structure and method |
| CN110553444A (en) * | 2019-08-13 | 2019-12-10 | 安徽惠之园食品有限公司 | A quick refrigerating plant for aquatic products |
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