CN117298689A - Filtering device for poultry dehairing wax and filtering method thereof - Google Patents
Filtering device for poultry dehairing wax and filtering method thereof Download PDFInfo
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- CN117298689A CN117298689A CN202311145971.0A CN202311145971A CN117298689A CN 117298689 A CN117298689 A CN 117298689A CN 202311145971 A CN202311145971 A CN 202311145971A CN 117298689 A CN117298689 A CN 117298689A
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- 238000001914 filtration Methods 0.000 title claims abstract description 34
- 244000144977 poultry Species 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 239000007788 liquid Substances 0.000 claims abstract description 106
- 238000002844 melting Methods 0.000 claims abstract description 91
- 230000008018 melting Effects 0.000 claims abstract description 91
- 238000000926 separation method Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 239000012535 impurity Substances 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 abstract description 4
- 239000001993 wax Substances 0.000 description 142
- 210000003746 feather Anatomy 0.000 description 10
- 241000272517 Anseriformes Species 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- 230000002951 depilatory effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000037380 skin damage Effects 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/27—Filter bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/005—Fusing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention discloses a device and a method for filtering poultry dehairing wax, and relates to the technical field of dehairing wax filtering equipment, wherein the device comprises a wax melting tank and a filtering tank, a cavity in the wax melting tank is divided into a melting cavity and a wax water separation cavity by a partition plate, and a steam heating pipe with an air hole is arranged at the bottom of the melting cavity; an overflow port is arranged at the top of the partition plate, a water supply backflow interval is arranged between the bottom of the partition plate and the inner wall of the wax melting tank, and a gas baffle plate is arranged below the interval and forms a backflow channel for water supply backflow with the partition plate bracket; a drain port is arranged on the side wall of the wax-water separation cavity; according to the invention, steam is introduced into the water-wax mixed solution for heating, so that the heating efficiency of the wax liquid can be improved, the wax liquid can be disturbed, and impurities with density greater than that of water such as mud scale can be separated from the wax liquid; meanwhile, the wax liquid in the wax-water separation cavity can be smoothly separated from water, so that water can flow back to the melting cavity, and the water quantity in the melting cavity is kept sufficient.
Description
Technical Field
The invention relates to the technical field of depilatory wax filtering equipment, in particular to a poultry depilatory wax filtering device and a poultry depilatory wax filtering method.
Background
China is a country with larger export amount for raising waterfowl such as ducks, geese and the like. The process of dehairing the feathers and then dehairing the feathers in the slaughtering processing of ducks and geese is time-consuming, and a method of dehairing the feathers by rosin and then manually dehairing the feathers is adopted in the past. However, rosin dehairing has a series of problems of serious environmental pollution, poor safety, harm to the health of operators, high carcass skin damage rate of poultry, incapability of exporting products and the like, and the use is forbidden by the sanitary epidemic prevention department. At present, dehairing wax is commonly used for dehairing poultry.
The invention patent with the application number of 201310641744.7 discloses a waxing pond for a poultry unhairing assembly line, wherein a partition plate is transversely arranged at the middle part of a pond body and divides the pond body into a left pond body and a right pond body, wax melting air pipes are respectively arranged at the bottoms of the left pond body and the right pond body, and two water drain valves are respectively arranged at one ends of the bottoms of the left pond body and the right pond body. Through the arrangement, water with a certain temperature is added into the wax melting air pipe, the temperature of the water is transferred to the wax in the left tank body and the right tank body through the pipe wall of the wax melting air pipe, the poultry is solidified in cold water after being dipped with the wax, and the solidified wax is peeled off to remove the residual fine feathers of the poultry body.
With the continuous progress of the dehairing process, when the wax liquid is reused, the impurity (mainly the hair of poultry) content is gradually increased, so that the dehairing effect is gradually reduced, and the expected dehairing effect is difficult to achieve. There are few reports in the prior art of devices or processes for filtering dehairing waxes.
Disclosure of Invention
The invention aims to provide a device and a method for filtering poultry dehairing wax, which are used for solving the problems in the prior art, ensuring the heating efficiency of wax liquid, improving the fluidity of the wax liquid and facilitating the wax liquid to flow into a filtering tank from a melting cavity for filtering.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a filtering device for poultry dehairing wax, which comprises a wax melting tank and a filtering tank, wherein a cavity in the wax melting tank is divided into a melting cavity and a wax-water separation cavity positioned at the upper part of the side of the melting cavity by a bent partition plate, the melting cavity is used for receiving wax materials and water, a steam heating pipe for heating the wax materials is arranged at the bottom of the melting cavity, and ventilation holes are formed in the steam heating pipe; the top of the partition plate is provided with an overflow port communicated with the melting cavity and the wax-water separation cavity, a water supply backflow interval is arranged between the bottom of the partition plate and the inner wall of the wax melting tank, a gas baffle plate is arranged below the interval, one end of the gas baffle plate is fixed on the inner wall, the other end of the gas baffle plate is inclined upwards towards the partition plate, and a backflow channel for water supply backflow is formed by the gas baffle plate and the partition plate bracket; and a discharge port for discharging the wax liquid into the filter tank is arranged on the side wall of the wax-water separation cavity.
Preferably, the melting chamber has a bottom cross-sectional area that is greater than a top cross-sectional area.
Preferably, the height of the overflow port is higher than that of the discharge port, and a valve is arranged at the discharge port.
Preferably, a filter screen opposite to the discharge port is arranged in the filter tank, and a backflow port for backflow of wax liquid is arranged at the bottom of the filter tank.
Preferably, the filter screen is in a cylindrical shape, and a filter bag which is matched with the filter screen in shape and is detachable is arranged inside the filter cylinder.
Preferably, the filtering device further comprises a pushing mechanism located above the filtering tank, the pushing mechanism comprises a telescopic part capable of stretching along the axial direction of the filtering tank and a pressure head fixed at the upper telescopic end of the telescopic part, and the pressure head and the filtering tank are coaxially arranged.
Preferably, the telescopic part comprises an oil cylinder, and a pressure head is arranged at the end part of the telescopic rod on the oil cylinder.
Preferably, the bottom of the wax-water separation cavity and the bottom of the filter tank are both provided with heat conduction heating pipes.
Preferably, the bottom of the melting cavity is also provided with a water inlet and a water outlet.
The invention also provides a method for filtering the poultry dehairing wax, which comprises the following steps:
injecting water into the melting cavity, putting the wax material subjected to the dehairing process into the melting cavity, introducing steam into the steam heating pipe, dispersing the steam into water through the air holes to enable the temperature of the wax material to rise and melt, flushing the wax material by the water, gradually rising the liquid level of the wax liquid in the melting cavity along with the gradual increase of the wax material, enabling the wax liquid and the water to flow into the wax-water separation cavity from the overflow port, layering the water and the wax liquid in the wax-water separation cavity, and refluxing the water to the melting cavity from the reflux channel; after the liquid level of the wax liquid in the wax-water separation cavity reaches a set height, opening a valve, allowing the wax liquid to flow into a filter tank, after the liquid level of the filter tank reaches the set height, closing the valve, extending a telescopic rod of an oil cylinder, extruding the wax liquid in a filter screen by using a pressure head, allowing the wax liquid filtered by the filter screen to flow back into a wax pool from a backflow port, and collecting impurities in the wax liquid by a filter bag; after the wax liquid is filtered, the air inlet of the steam heating pipe is closed, water is introduced into the melting cavity from the water inlet, the residual wax liquid in the melting cavity is insoluble in water and floats on the water surface, the water surface gradually rises until the floating wax liquid is discharged into the wax liquid separation cavity and is discharged into the filter screen from the discharge port, impurities in the wax liquid are collected by the filter bag in the filter screen, clean wax liquid is extruded under the action of the oil cylinder and the pressure head, and the clean wax liquid flows back into the wax pool from the backflow port; the remaining water in the melting chamber is drained from the drain.
Compared with the prior art, the invention has the following technical effects:
1. according to the invention, steam is introduced into the water-wax mixed solution for heating, so that the heating efficiency of the wax liquid can be improved, the wax liquid can be disturbed, and impurities with density greater than that of water such as mud scale can be separated from the wax liquid;
2. the gas baffle is arranged at the communication port between the wax-water separation cavity and the melting cavity, so that steam in the melting cavity can be prevented from entering the wax-water separation cavity, thereby ensuring that wax liquid and water in the wax-water separation cavity can be smoothly separated, and water can flow back to the melting cavity to maintain sufficient water quantity in the melting cavity;
3. the cross-sectional area of the top of the melting cavity is smaller than that of the bottom, and the residual less wax liquid can also form larger wax liquid thickness at the overflow port, so that the residual less wax liquid can flow into the wax water separation cavity from the overflow port more easily for subsequent treatment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a filter device for poultry dehairing wax according to the present invention;
FIG. 2 is an isometric view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a schematic view of the internal structure of FIG. 1;
FIG. 6 is a schematic view of the structure of the return channel;
wherein, 1, a wax melting tank; 2. a filter tank; 3. a melting chamber; 4. a wax-water separation chamber; 5. a partition plate; 6. a steam heating pipe; 7. a heat conducting heating pipe; 8. a gas baffle; 9. a return passage; 10. an overflow port; 11. a discharge port; 12. a water inlet; 13. a water outlet; 14. a return port; 15. a filter screen; 16. an oil cylinder; 17. a pressure head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a device and a method for filtering poultry dehairing wax, which are used for solving the problems in the prior art, ensuring the heating efficiency of wax liquid, improving the fluidity of the wax liquid and facilitating the wax liquid to flow into a filtering tank from a melting cavity for filtering.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1:
as shown in fig. 1 to 6, the embodiment provides a filtering device for poultry dehairing wax, which comprises a wax melting tank 1 and a filtering tank 2, wherein a cavity in the wax melting tank 1 is divided into a melting cavity 3 and a wax-water separation cavity 4 positioned at the upper side of the melting cavity 3 by a bent partition plate 5, the melting cavity 3 is used for receiving wax and water, a steam heating pipe 6 for heating the wax is arranged at the bottom of the melting cavity 3, and ventilation holes are formed in the steam heating pipe 6. The top of the partition plate 5 is provided with an overflow port 10 which is communicated with the melting cavity 3 and the wax-water separation cavity 4, a water supply backflow interval is arranged between the bottom of the partition plate 5 and the inner wall of the wax melting tank 1, a gas baffle plate 8 is arranged below the interval, one end of the gas baffle plate 8 is fixed on the inner wall, the other end of the gas baffle plate is inclined upwards towards the partition plate 5, and a backflow channel 9 for water supply backflow is formed by the gas baffle plate 8 and a partition plate 5 bracket; a drain 11 for draining the wax liquid into the filter tank 2 is provided on the side wall of the wax-water separation chamber 4.
When the dehairing wax contains more feathers and other impurities, even after the dehairing wax is melted, the dehairing wax is very viscous and has poor fluidity, so the embodiment adopts a mode of melting wax materials in water, is beneficial to sedimentation of other impurities with the density greater than that of water in the dehairing wax in water, and improves the fluidity of the dehairing wax. In use, water of a certain liquid level is filled into the melting chamber 3, and the liquid level is usually the height of the top end in the air baffle 8. The solid depilating wax containing more impurities is then fed into the melting chamber 3 from the top opening of the melting chamber 3 by means of a conveyor belt or other conveying means. The steam heating pipe 6 is filled with steam, the steam is dispersed in water through the ventilation holes, the water is heated, and the wax is further heated, so that the wax liquid is melted. The steam can directly exchange heat with water, so that the contact area is larger, the heating efficiency is higher, and the method is suitable for a large-scale wax melting process. In addition, the dehairing wax may contain other impurities such as mud dirt in addition to the feathers, and after the excessive impurities are doped, the density of the dehairing wax may be greater than that of water, so that a part of the dehairing wax may sink into the water in the melting chamber 3. When steam gushes out from the vent holes, the steam can play a disturbing role on the unhairing wax, feathers and the like at the bottom, so that the melting of the unhairing wax is quickened, the wax liquid, the feathers and other impurities with the density smaller than that of water float on the water surface, and the impurities with the density larger than that of water remain in the water. As wax is fed, the level of the wax liquid in the melting chamber 3 gradually increases, and finally flows into the wax-water separation chamber 4 from the overflow port 10. The separation interface between the wax liquid and the water in the melting chamber 3 is not stable due to the disturbance of the steam, so that part of the water also flows from the overflow 10 into the wax-water separation chamber 4. Under the action of the air baffle 8, steam in the melting cavity 3 cannot enter the wax-water separation cavity 4, so that the wax-water mixed solution in the wax-water separation cavity 4 cannot be disturbed, the wax liquid and water can be normally layered, the layered wax liquid and light impurities are located on the upper layer, and the water is located on the lower layer. The upper wax liquid and the light impurities can smoothly flow into the filter tank 2 from the discharge port 11, the filter tank 2 can filter the light impurities, and the clean wax liquid obtained by filtering can be reused. The water in the lower layer flows back into the melting chamber 3 from the backflow channel 9 formed by the air baffle plate 8 and the partition plate 5, so as to maintain the sufficient water quantity in the melting chamber 3.
Therefore, according to the embodiment, the steam is introduced into the water and wax mixed solution for heating, so that the heating efficiency of the wax liquid can be improved, the wax liquid can be disturbed, and impurities with density larger than that of water such as mud scale and the like can be separated from the wax liquid. And, set up the gas baffle 8 in the intercommunication mouth department between wax water separation chamber 4 and melting chamber 3, can prevent that the steam in the melting chamber 3 from getting into wax water separation chamber 4 to in both guaranteeing wax liquid and the water smooth separation of wax water separation chamber 4, can also make water backward flow to melting chamber 3, maintain the sufficient volume of water in the melting chamber 3.
In order to facilitate the water supply and drain to the interior of the melting chamber 3, the bottom of the melting chamber 3 in this embodiment is provided with a water inlet 12 and a drain outlet 13.
When the residual wax liquid can not flow out from the overflow port 10 after the solid wax material to be heated and melted is completely put into the melting cavity 3, the steam heating pipe 6 stops ventilation, the water and the wax liquid tend to be stable, and layering can be carried out. Water is then introduced into the heating chamber from the water inlet 12 so that the liquid level rises. After the water is introduced, in order to avoid the temperature reduction of the wax liquid from being solidified again, a heat conduction heating pipe 7 is arranged at the bottom of the melting cavity 3 besides the steam heating pipe 6, and the heat conduction heating pipe 7 can heat the water and the wax liquid through heat transfer by a circulating medium so as to maintain the flowing state of the wax liquid. Since the cross-sectional area of the top of the melting chamber 3 is smaller than that of the bottom, the thickness of the wax liquid with the same volume at the top is larger than that at the bottom, and the residual less wax liquid can form larger wax liquid thickness at the overflow port 10, so that the wax liquid can flow into the wax-water separation chamber 4 from the overflow port 10 more easily. Even the presence of a small amount of wax liquid is inconvenient to separate from water, and the residual amount thereof is relatively small. And the residual wax liquid in the wax-water separation cavity 4 is cleaned again or the wax melting process is continued to be used next time.
Specifically, in this embodiment, the partition 5 has a vertical section and an inclined section, the overflow port 10 is provided on the vertical section, and the bottom of the inclined section has a gap for water supply backflow with the inner wall of the melting chamber 3. The bending structure of the partition board 5 can enable the heating cavity to form a structure with small top space and large bottom space, and is more convenient for cleaning residual wax liquid in the melting cavity 3.
Further, in this embodiment, the volume of the wax-water separating chamber 4 is smaller than that of the melting chamber 3, the height of the overflow port 10 is higher than that of the discharge port 11, the position of the discharge port 11 is lowered as much as possible, and a valve is provided at the position of the discharge port 11. The flow of the wax liquid in the wax-water separation cavity 4 into the filter tank 2 is controlled by opening and closing a valve.
Further, in this embodiment, a filter screen is disposed in the filter tank 2, and the filter screen can filter feathers and bulky impurities. The filter screen 15 in the filter tank 2 is in a cylindrical shape, a filter bag which is matched with the filter screen 15 in shape and is detachable is arranged in the filter cylinder, the mesh number of the filter bag is 200, and the filter bags with other apertures can be selected according to practical situations. The filter bag is sleeved in the filter tank 2, so that the impurities can be cleaned and collected more conveniently. In order to improve the filtering speed of the wax liquid in the filter tank 2, the filtering device in this embodiment further comprises a pushing mechanism located above the filter tank 2, the pushing mechanism comprises a telescopic part capable of stretching along the axial direction of the filter tank 2 and a pressure head 17 fixed at the upper telescopic end of the telescopic part, and the pressure head 17 is coaxially opposite to the filter tank 2. The specific pressure head 17 is in the form of a flat plate with a surface slightly smaller than the internal dimensions of the filter tank 2 after the filter bag has been placed. Before the wax liquid gets into filter vat 2, the telescopic part is in the state of shortening, after the wax liquid gets into filter vat 2, the telescopic part extension utilizes pressure head 17 to push down the wax liquid, makes the wax liquid pass filter bag and filter screen 15 under the exogenic action of pressure head 17, gets into in the cavity of filter screen 15 bottom, and at last flows back to the wax pond from return port 14 and uses to improve filtration efficiency. When the impurity in the filter bag reaches a certain content, the filter bag is taken out and replaced by a new filter bag.
Specifically, the telescopic part in this embodiment includes an oil cylinder 16, and a ram 17 is provided at the end of the telescopic rod on the oil cylinder 16. Of course other forms of telescoping mechanism are possible.
Further, in this embodiment, the bottoms of the wax-water separation chamber 4 and the filtering tank 2 are also provided with a heat-conducting heating pipe 7, and high-temperature medium is uniformly flowed in the heat-conducting heating pipe 7, so that the wax liquid is ensured to be in a flowing state, and the formation of blockage is avoided.
Example 2:
the embodiment discloses a method for filtering poultry dehairing wax, which comprises the following steps:
injecting water into the melting cavity 3, putting the wax into the melting cavity 3 after the dehairing process is carried out, introducing steam into the steam heating pipe 6, dispersing the steam into water through the air holes to enable the temperature of the wax to rise and melt, and enabling the water to also disperse the wax, wherein the liquid level of the wax in the melting cavity 3 rises gradually along with the gradual increase of the wax, the wax and the water flow into the wax-water separation cavity 4 from the overflow port 10, the water and the wax are layered in the wax-water separation cavity 4, and the water flows back to the melting cavity 3 from the backflow channel 9; after the liquid level of the wax liquid in the wax-water separation cavity 4 reaches a set height, a valve is opened, the wax liquid flows into the filter tank 2, after the liquid level of the filter tank 2 reaches the set height, the valve is closed, a telescopic rod of the oil cylinder 16 stretches, the wax liquid in the filter screen 15 is extruded by the pressure head 17, the wax liquid filtered by the filter screen 15 flows back into the wax pool from the backflow port 14, and impurities in the wax liquid are collected by the filter bag; after the wax liquid is filtered, the air inlet of the steam heating pipe 6 is closed, water is introduced into the melting cavity 3 from the water inlet 12, the residual wax liquid in the melting cavity 3 is insoluble in water and floats on the water surface, the water surface gradually rises until the floating wax liquid is discharged into the wax-water separation cavity 4 and is discharged into the filter screen 15 from the discharge port 11, impurities in the wax liquid are collected by the filter bag in the filter screen 15, clean wax liquid is extruded under the action of the oil cylinder 16 and the pressure head 17, and flows back into the wax pool from the backflow port 14; the remaining water in the melting chamber 3 is discharged from the drain port 13.
It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a poultry wax that moults filter equipment, its characterized in that includes wax melting tank and filter vat, the cavity in the wax melting tank is separated into melting chamber and is located the wax water separation chamber of melting chamber side upper portion through the baffle of buckling, melting chamber is used for accepting wax material and water, the bottom of melting chamber is provided with the steam heating pipe that is used for heating wax material, be provided with the bleeder vent on the steam heating pipe; the top of the partition plate is provided with an overflow port communicated with the melting cavity and the wax-water separation cavity, a water supply backflow interval is arranged between the bottom of the partition plate and the inner wall of the wax melting tank, a gas baffle plate is arranged below the interval, one end of the gas baffle plate is fixed on the inner wall, the other end of the gas baffle plate is inclined upwards towards the partition plate, and a backflow channel for water supply backflow is formed by the gas baffle plate and the partition plate bracket; and a discharge port for discharging the wax liquid into the filter tank is arranged on the side wall of the wax-water separation cavity.
2. The poultry dehairing wax filter apparatus of claim 1 wherein the bottom cross-sectional area of the melting chamber is greater than the top cross-sectional area.
3. The apparatus according to claim 1, wherein the overflow is higher than the discharge opening, and a valve is provided at the discharge opening.
4. The device for filtering the poultry dehairing wax according to claim 1, wherein a filter screen opposite to the discharge port is arranged in the filter tank, and a return port for returning wax liquid is arranged at the bottom of the filter tank.
5. The apparatus of claim 4, wherein the filter screen is cylindrical in shape and the filter cartridge is internally provided with a filter bag adapted to the shape of the filter screen and removable therefrom.
6. The apparatus according to claim 4, further comprising a pushing mechanism located above the filter tank, wherein the pushing mechanism comprises a telescopic part capable of telescoping along an axial direction of the filter tank and a pressure head fixed at a telescopic end of the telescopic part, and the pressure head is coaxially arranged with the filter tank.
7. The apparatus of claim 6, wherein the telescoping portion comprises a ram, and wherein the ram is provided with a ram at an end of a telescoping rod.
8. The poultry dehairing wax filter apparatus according to any of claims 1-7, wherein the wax water separating chamber and the bottom of the filter tank are provided with heat conducting heating pipes.
9. The apparatus of claim 1, wherein the bottom of the melting chamber is further provided with a water inlet and a water outlet.
10. A method for filtering poultry dehairing wax, comprising the steps of:
injecting water into the melting cavity, putting the wax material subjected to the dehairing process into the melting cavity, introducing steam into the steam heating pipe, dispersing the steam into water through the air holes to enable the temperature of the wax material to rise and melt, flushing the wax material by the water, gradually rising the liquid level of the wax liquid in the melting cavity along with the gradual increase of the wax material, enabling the wax liquid and the water to flow into the wax-water separation cavity from the overflow port, layering the water and the wax liquid in the wax-water separation cavity, and refluxing the water to the melting cavity from the reflux channel; after the liquid level of the wax liquid in the wax-water separation cavity reaches a set height, opening a valve, allowing the wax liquid to flow into a filter tank, after the liquid level of the filter tank reaches the set height, closing the valve, extending a telescopic rod of an oil cylinder, extruding the wax liquid in a filter screen by using a pressure head, allowing the wax liquid filtered by the filter screen to flow back into a wax pool from a backflow port, and collecting impurities in the wax liquid by a filter bag; after the wax liquid is filtered, the air inlet of the steam heating pipe is closed, water is introduced into the melting cavity from the water inlet, the residual wax liquid in the melting cavity is insoluble in water and floats on the water surface, the water surface gradually rises until the floating wax liquid is discharged into the wax liquid separation cavity and is discharged into the filter screen from the discharge port, impurities in the wax liquid are collected by the filter bag in the filter screen, clean wax liquid is extruded under the action of the oil cylinder and the pressure head, and the clean wax liquid flows back into the wax pool from the backflow port; the remaining water in the melting chamber is drained from the drain.
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| CN202311145971.0A CN117298689A (en) | 2023-09-07 | 2023-09-07 | Filtering device for poultry dehairing wax and filtering method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923732A (en) * | 2024-03-21 | 2024-04-26 | 内蒙古华恒能源科技有限公司 | Waste liquid recovery device and recovery system for PTMEG preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923732A (en) * | 2024-03-21 | 2024-04-26 | 内蒙古华恒能源科技有限公司 | Waste liquid recovery device and recovery system for PTMEG preparation |
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