CN211595572U

CN211595572U - Environment-friendly animal oil negative pressure melting equipment

Info

Publication number: CN211595572U
Application number: CN201922061539.9U
Authority: CN
Inventors: 闫永照; 闫忠寒
Original assignee: Henan Mingren Equipment Oil Engineering Co ltd
Current assignee: Henan Mingren Equipment Oil Engineering Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-09-29
Anticipated expiration: 2029-11-28

Abstract

The utility model provides an environment-friendly animal oil negative pressure smelting device, a stirring shaft and stirring blade which is uniformly distributed around the stirring shaft are arranged in a tank body of a smelting tank, the stirring blade adopts an integral bending structure and is provided with an installation section and a blade section, the installation section is an L-shaped folded plate structure, the blade section is a spiral structure formed by horizontal torsion, the bending part of the installation section of the stirring blade is fixed on the stirring shaft, the installation sections of adjacent stirring blades are fixed together, and the bottom of the tank body adopts a cone structure. The materials do not fall to the ground, and the operation is automatically controlled and automated, so that the production efficiency is greatly improved, and the labor cost is reduced.

Description

Environment-friendly animal oil negative pressure melting equipment

Technical Field

The utility model relates to an animal fat equipment technical field specifically is an environment-friendly animal oil negative pressure smelting equipment.

Background

The demand for the output of animal fat in China is continuously improved, and the requirements of production sanitation, environmental protection policy and the like are higher and higher. At present, most of oil refining equipment commonly adopted by animal oil processing plants in China is an open fire boiling pot, the equipment has low efficiency, a large amount of bad smell can be generated in the boiling process, the produced animal oil has more water and impurities, unstable quality, high acid value and easy deterioration, and the quality of the product is difficult to be ensured to reach the food grade standard; in order to solve the problems and respond to the national environmental protection requirements, a small part of enterprises develop animal oil vacuum negative pressure smelting equipment, but the equipment still has some problems: a discharge port of a smelting tank for the animal oil is easy to block, so that the subsequent working section cannot run; the smelting pot is easy to generate dead angles during stirring, and the raw material smelting rate is low.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model provides an environment-friendly animal oil negative pressure smelting device with smooth discharging and improved smelting rate, which adopts the technical proposal that the device comprises a smelting tank and a vacuum recovery system, a stirring shaft and stirring blades uniformly distributed around the stirring shaft are arranged in the tank body of the smelting tank, the stirring blades adopt an integrated bending structure and are provided with an installation section and a blade section, the installation section is an L-shaped folded plate structure, the blade section is a spiral structure formed by horizontal torsion, the bending part of the installation section of the stirring blades is fixed on the stirring shaft, the installation sections of the adjacent stirring blades are fixed together, the bottom of the tank body adopts a cone structure, the stirring blades are arranged at the bottom of the stirring shaft and extend into a cone, a discharge port is arranged at the bottom of the cone, an observation mirror and an inspection manhole are arranged at the top of the tank body, a spiral heating pipe is arranged at the periphery, the motor is installed above the tank body, the motor is in transmission connection with the stirring shaft through the speed reducer, and the vacuum recovery system is connected to the tank body and can keep a vacuum negative pressure state in the tank body and extract gas generated in the smelting process.

As the utility model discloses an optimized technical scheme, vacuum recovery system includes water injection formula vacuum pump unit, vacuum line and supporting shell and tube condensation heat exchanger, and condensation heat exchanger adopts two-way circulation structure, and condensation heat exchanger's export with be connected with and divide the fluid reservoir.

As an optimal technical scheme of the utility model, vacuum recovery system is connected with tail gas processing system, and tail gas processing system includes centrifugal draught fan pipeline wind network and spray column, and the spray column adopts the filler scrubbing tower, and the bottom of scrubbing tower is equipped with the waste gas import.

The utility model has the advantages that: the utility model discloses a smelt the grease under vacuum negative pressure state, the grease refines fastly, the finished product oil color and luster is good, fragrant smell is strong, the peroxide value, the acid value, the water impurity is relatively lower, stirring sword blade structure has been improved, adopt the integrative structure of spiral and bending, fix between the adjacent blade, high in structural strength, mobility is good during the stirring, and be difficult for producing the dead angle, with the cone structure cooperation of the jar body, the ejection of compact is smooth and easy, raw materials smelting rate has been improved, the peculiar smell gas that produces among the smelting process is retrieved, non-staining environment, response environmental protection policy, from feeding to play oil and slag tap, the material does not fall to the ground, automatically controlled automation of operation simultaneously, make production efficiency greatly improve, and labor cost is reduced.

Drawings

Fig. 1 is a schematic structural view of the inside of a tank body of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a schematic structural view of the heating pipe of the present invention;

fig. 4 is a partial structural view of the top of the tank of the present invention.

In the figure: 1-tank body, 2-stirring shaft, 3-stirring blade, 31-installation section, 32-blade section, 4-heating pipe, 5-motor, 6-inspection manhole and 7-observation sight glass.

Detailed Description

Example 1

As shown in fig. 1 to 4, the utility model discloses an equipment is smelted to environment-friendly animal oil negative pressure, the technical scheme of adoption is, including smelting the jar, smelt jar internal stirring shaft 2 that is equipped with of jar and stir sword blade 3 around (mixing) shaft evenly distributed, stir sword blade 3 and adopt integrative bending structure, installation section 31 and blade section 32 have, installation section 31 is L shape folded plate structure, blade section 32 twists reverse the helical structure that forms for the level, the department of bending of the installation section of stirring sword blade is fixed on (mixing) shaft 2, adjacent stirring vane's installation section is together fixed, four stirring vane form a set of. The top of the tank body 1 adopts an elliptical sealing head, the bottom of the tank body 1 adopts a cone structure, the bottom of the stirring shaft is also provided with a group of shorter stirring blade blades which extend into the cone, the bottom end of the cone is provided with a discharge hole, the top of the tank body is provided with an observation sight glass 7 and an inspection manhole 6, the periphery of the tank body is provided with a spiral heating pipe 4, a heating medium is introduced into the heating pipe when in use, and the heating medium adopts heat conduction oil or steam; the motor 5 is installed above the tank body, the motor 5 is in transmission connection with the stirring shaft 2 through the speed reducer, and the vacuum recovery system is connected to the tank body and can keep a vacuum negative pressure state in the tank body and extract gas generated in the smelting process.

As the utility model discloses an optimized technical scheme, vacuum recovery system includes water injection formula vacuum pump unit, vacuum line and supporting tubulation condensation heat exchanger, and water injection formula vacuum pump unit is excellent in performance, operates steadily, is applicable to the great vacuum system of steam volatility, is the vacuum system configuration of negative pressure oil refining ideal. The condensing heat exchanger adopts a double-pass circulation structure, the heat exchange area is large, the heat exchange pipeline is long, the short circuit of steam is avoided, and the heat exchange effect is good. The outlet of the condensing heat exchanger is connected with a liquid separation tank. When the device is used, water vapor molecules mixed with peculiar smell molecule volatile matters evaporated from raw materials are quickly separated from raw oil fat in a vacuum state, the mixture enters a trap of a tubular condensing heat exchanger along with the flowing of a vacuum pipeline, the evaporated water vapor volatile matters are forcedly condensed into distilled water under the cooling action of cold water circulating heat exchange and collected into a liquid separating tank, evaporated oil smoke and water vapor gas are fully cooled, the emission of malodorous gas in a production plant area is effectively controlled, and the device conforms to the national policy of improving environmental protection.

As an optimal technical scheme of the utility model, the tail gas processing system includes centrifugal draught fan pipeline wind network and spray column. Firstly, gas at the exhaust port of each section is collected and conveyed into an outdoor normal-pressure condenser, and the gas is condensed by heat exchange with free gas through cold water circulation, so that volatile oil fume water vapor in the free gas is condensed and recovered. The cooled free tail gas enters a spray tower, the spray tower adopts a filler washing tower, the filler layer section is used as a medium for gas-liquid contact reaction, the contact between gas and liquid is utilized to transmit trace pollutants in the adsorbed gas into the liquid, and then the clean gas is separated from the polluted liquid, so that the aim of cleaning the air is fulfilled. The bottom of the packing type washing tower is provided with a waste gas inlet, namely, the waste gas is treated by the packing type washing tower in a gas-liquid spraying reverse absorption mode, namely, liquid is sprayed downwards from the top of the tower in a fog or small liquid form, and the waste gas reversely flows from the lower part of the tower body to achieve the purpose of gas-liquid contact. The treatment mode can cool the waste gas, condition trace molecules of the gas, and discharge the trace molecules into the atmosphere after being treated by the filler section. The air conveying system conveys the collected waste gas into the washing tower, and the waste gas is fully contacted with the washing liquid flowing on the surface of the filler through the filler layer section so as to completely adsorb acidic or alkaline dirt contained in the waste gas. The counter-flow washing tower effectively and economically treats waste gas, and the tail gas peculiar smell removal rate is high.

The utility model discloses the during operation divides the material to carry the jar internal that gets into the smelting jar with the raw materials, opens the vacuum pump unit and makes jar interior formation negative pressure state, heats and smelts. Under the negative pressure vacuum state, the boiling point of the material moisture is low, the vacuum dehydration is started when the melting temperature of the raw material reaches about 80 ℃, and the vacuum degree is kept in a balance range of-0.03 to-0.06 MPa along with the change of the steam volatilization amount. The dehydration is rapid under the vacuum state, and the animal oil raw material entering the negative pressure reaction kettle can rapidly realize the separation of oil, water and slag. After the temperature of the materials is raised to 110-120 ℃, observing yellow foams generated by the grease through a sight glass, namely opening a feed opening to observe the dryness and humidity of the oil residue, and finishing the smelting of the oil residue in a hard state. And closing the heating valve and the vacuum pump unit in sequence, opening the slag discharge valve and the blanking device, and starting to discharge materials uniformly. The smelting time is about 2-3 hours according to different raw materials. Because the boiling point of water is 80 ℃ in a vacuum state, the volatilization electricity of the oil smell is 200 ℃, the melting temperature of the equipment is 120 ℃ at most, the equipment belongs to low-temperature vacuum boiling, and the evaporation point of the oil smell cannot be reached, the fragrance of the finished oil is more fragrant and cannot be lost. The equipment has high automation degree, and the labor cost is greatly reduced; the one-time extraction rate of the oil is increased, the acid value is low, the peroxide value is low, the water impurity is low, the color is beautiful, and the protein content of the meat pie is high; the whole set of equipment is sealed and produced without falling to the ground, overcomes the defects of dirty, messy and poor sanitation of the traditional production workshop, conforms to the environmental protection policy developed in the era, and changes the negative opinion of most people on the animal oil industry in the past. The processing capacity of the equipment is diversified, the method is suitable for processing and producing various animal oil raw materials (pigs, cattle and sheep, chicken and ducks, foxes, raccoons, alligators, snakes and ostriches), and the animal oil industry is improved to a professional, high-end and normal new step.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. The utility model provides an environment-friendly animal oil negative pressure melting equipment, is including smelting jar and vacuum recovery system, the internal stirring sword blade of installing the (mixing) shaft and winding (mixing) shaft evenly distributed of jar of smelting, its characterized in that: the utility model discloses a smelting process, including stirring sword blade, stirring sword blade and stirring shaft, stirring sword blade adopts integrative bending structure, has installation section and blade section, and the installation section is L shape folded plate structure, and the blade section twists reverse the helical structure that forms for the level, and the department of bending of the installation section of stirring sword blade is fixed on the (mixing) shaft, and the installation section of adjacent stirring vane is together fixed, and the cone structure is adopted to the bottom of the jar body, and the (mixing) shaft bottom is installed stirring sword blade and stretching into the cone, and the bottom of cone is equipped with the discharge gate, and the top of the jar body is equipped with observation mirror and maintenance manhole, and the periphery of the jar body is equipped with spiral heating pipe, and the motor is installed to the top of the jar body.

2. The environment-friendly animal oil negative pressure smelting equipment as claimed in claim 1, wherein: the vacuum recovery system comprises a water injection type vacuum pump unit, a vacuum pipeline and a matched tube array condensation heat exchanger, the condensation heat exchanger adopts a double-pass circulation structure, and an outlet of the condensation heat exchanger is connected with a liquid separation tank.

3. The environment-friendly animal oil negative pressure smelting equipment as claimed in claim 2, wherein: the vacuum recovery system is connected with a tail gas treatment system, the tail gas treatment system comprises a centrifugal induced draft fan pipeline air net and a spray tower, the spray tower adopts a filler washing tower, and the bottom of the washing tower is provided with a waste gas inlet.