CN215086982U

CN215086982U - Separator of oil wax fat in diatomaceous earth

Info

Publication number: CN215086982U
Application number: CN202121103403.0U
Authority: CN
Inventors: 韩家福; 张旭东; 尚红飞; 闫昆
Original assignee: Zhengzhou Dingsheng Machinery Manufacturing Co ltd
Current assignee: Zhengzhou Dingsheng Machinery Manufacturing Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-10
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a device for separating wax and grease in diatomite, which comprises a melting barrel and a filter, wherein a first jacket is arranged outside the side wall of the melting barrel; the filter comprises a filter cartridge, an upper sealing cover and a lower sealing cover which are respectively arranged at the top and the bottom of the filter cartridge, and a second jacket is arranged outside the side wall of the filter cartridge; the inside of the filter cartridge is provided with a filter bottom plate which can be opened and closed, and the filter bottom plate is provided with filter holes; a mixing outlet is arranged at the center of the bottom of the lower sealing cover and is connected to a vacuum buffer tank through a movable hose, and an air pumping hole at the top of the vacuum buffer tank is connected with a vacuum pump through an air pumping pipe; the upper sealing cover is provided with a steam inlet which is communicated with a steam outlet of the steam generator through a steam pipeline. The utility model discloses a separator be convenient for operation, labour saving and time saving, separation efficiency is higher, the separation effect is better, environmental protection and energy saving more.

Description

Separator of oil wax fat in diatomaceous earth

Technical Field

The utility model relates to a grease production facility technical field, concretely relates to separator of oil wax fat in diatomaceous earth.

Background

In the production process of oil, such as cottonseed oil and rice bran oil, diatomite is usually added as a filter aid in order to filter the crystallized oil more quickly and fully, but the treatment of the filtered diatomite has many problems. The content of wax and grease in the filtered diatomite is generally between 60 and 80 percent, the oil and wax grease in the diatomite is separated by adopting the traditional technology, and ether and acetone are usually added for dissolving, so that the grease, grease and diatomite are separated, but the method is time-consuming and labor-consuming for separation, and a large amount of chemical reagents are consumed (usually added according to the amount of 1: 1: 1), so that a large amount of raw material consumption is brought to a producer, the treatment cost is very high, the economic burden of the producer is increased, and the separated diatomite needs to be washed for many times, so that a large amount of waste liquid is generated, and the environment is polluted.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a separator of wax fat in diatomaceous earth, adopt the device can carry out effective separation to the oil wax fat in diatomaceous earth, separate effectual, with low costs, and the environmental protection is high-efficient.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the separation device for the wax and the grease in the diatomite is designed, and comprises a melting barrel and a filter, wherein a first jacket is arranged outside the side wall of the melting barrel, heat conduction oil is filled in the first jacket, and a feed opening is formed in the bottom of the melting barrel;

the filter comprises a filter cartridge, an upper sealing cover and a lower sealing cover which are respectively arranged at the top and the bottom of the filter cartridge, wherein a feed port is formed in the upper sealing cover and is communicated with the feed port through a feed pipe, and the feed pipe is provided with a feed valve;

a second jacket is arranged outside the side wall of the filter cylinder, and heat conduction oil is filled in the second jacket; the inside of the filter cartridge is provided with a filter bottom plate which can be opened and closed, and the filter bottom plate is provided with filter holes; one side of the lower sealing cover is hinged with the bottom of the filter cartridge, and the other side of the lower sealing cover is fixed with the filter cartridge through a clamping piece; a mixing outlet is arranged in the center of the bottom of the lower sealing cover and connected to a vacuum buffer tank through a movable hose, and an air pumping hole in the top of the vacuum buffer tank is connected with a vacuum pump through an air pumping pipe; the mixing outlet is detachably connected with the movable hose through a sealing joint, and a valve is arranged at the sealing joint;

the upper sealing cover is provided with a steam inlet which is communicated with a steam outlet of the steam generator through a steam pipeline.

In the technical scheme, the diatomite to be processed is heated by arranging the melting barrel and the first jacket, so that oil and wax fat in the diatomite are preliminarily melted, the primarily melted diatomite enters the filter cylinder, the filter cylinder is further heated by the second jacket, the oil and wax fat in the diatomite keep a melting state, the filter cylinder is vacuumized by the vacuum buffer tank and the vacuum pump, and the oil and wax fat in the diatomite flow out along with air and flow into the vacuum buffer tank to realize gas-liquid separation; when the vacuum pumping is carried out, water vapor is introduced into the filter cylinder through the vapor pipeline, and the oil and the wax fat can leave along with the water vapor in the process that the water vapor passes through the diatomite, so that the oil and the wax fat are further separated. After the vacuumizing process is finished, the lower sealing cover can be opened, water vapor is continuously introduced into the filter cartridge, and the diatomite is blown and swept, so that the oil wax fat in the diatomite is further discharged along with the steam, and the content of the oil wax fat is further reduced.

Preferably, one side of the filter base plate is hinged to the bottom end of the inner wall of the filter cartridge, the fixing holes are formed in the circumference of the filter base plate at equal intervals, bolt holes are formed in the positions, corresponding to the fixing holes, of the bottom end of the inner wall of the filter cartridge respectively, fixing bolts are arranged in the fixing holes and the corresponding bolt holes in a penetrating mode respectively, and the filter base plate is fixed to the bottom end of the inner wall of the filter cartridge through the fixing bolts. Through set up the filter base plate in cartridge filter bottom, set up the filtration pore on the filter base plate, the air and vapor of being convenient for flow to the vacuum buffer tank through diatomaceous earth, oil wax fat in the diatomaceous earth can flow out along with air and vapor together. The filter base plate sets to the structure that can open and shut, and one side is articulated with the cartridge filter, and other positions adopt fixing bolt and cartridge filter fixed mounting together, after finishing evacuation and steam sweep, can place the small handcart in the cartridge filter below, will filter the base plate and open, and diatomaceous earth wherein just can directly fall into the small handcart, the removal of the diatomaceous earth after being convenient for handle, the unloading of the diatomaceous earth of follow-up treating of being convenient for simultaneously.

Preferably, the vacuum pump is a water circulation vacuum pump.

Preferably, the cooling device further comprises a cooling tank, wherein a lower liquid outlet of the vacuum buffer tank is communicated with the cooling tank through a liquid outlet pipe and a gear pump and is used for pumping the oil wax grease in the vacuum buffer tank into the cooling tank. And cooling and solidifying the oil wax grease subjected to vacuum pumping separation in a cooling box to wait for subsequent processing.

Preferably, a sealing ring is arranged at the edge of the lower sealing cover corresponding to the bottom of the filter cylinder. The sealing connection between the lower sealing cover and the bottom of the filter cylinder is convenient.

Preferably, the mesh number of the filtering holes is 160-180 meshes.

The method for separating by adopting the separation device comprises the following steps:

(1) squeezing: the method comprises the following steps of (1) packaging diatomite to be separated into small bags, neatly stacking the small bags and putting the small bags into a squeezing cylinder of a squeezer, wherein the side wall of the squeezing cylinder of the squeezer is provided with squeezing holes; setting the initial pressure of the squeezer to be below 100 kilograms, uniformly increasing the initial pressure to 260 kilograms, squeezing out grease and partial wax fat in the diatomite, pumping the squeezed grease into a crystallizing tank, recrystallizing and filtering to obtain qualified grease; at this time, the pressed diatomite also contains 28 to 32 percent of oil wax grease.

By adopting a cylindrical squeezer, the diatomite filtered in the grease production process can be preliminarily squeezed to extrude most of oil and wax grease.

(2) Melting: removing the bag from the diatomite squeezed in the step (1), and filling the diatomite into a melting barrel; the diatomite in the melting barrel is heated to 80-100 ℃ through the heat conducting oil in the first jacket, so that the oil wax grease in the diatomite is melted.

(3) And (3) filtering: the diatomite heated in the step (2) enters a filter cylinder of the filter through a feeding pipe and is arranged on a filter bottom plate; the lower sealing cover of the filter cylinder is closed and covered, and the diatomite in the filter cylinder is further heated through the heat conduction oil in the second jacket, so that the temperature of the diatomite is kept between 80 and 100 ℃; and (3) starting a steam generator, conveying 150-160 ℃ steam into the filter cartridge through a steam pipeline, simultaneously starting a vacuum pump, and pumping out air in the filter cartridge to ensure that the oil wax grease in the diatomite sequentially passes through the filter holes, the mixing outlet and the movable hose along with the steam to enter the vacuum buffer tank, thereby realizing gas-liquid separation.

(4) And (3) post-treatment: after the treatment in the step (3), placing the trolley below the filter cartridge, opening a lower sealing cover and a filter bottom plate of the filter cartridge, and allowing the diatomite in the filter cartridge to fall into the trolley, and removing and storing the diatomite for later recycling; and pumping the oil wax grease in the vacuum buffer tank into a cooling box through a gear pump to wait for subsequent processing.

Preferably, the diameter of the extrusion holes in the step (1) is 1mm, and the density is 1000/m²。

Preferably, after the vacuum pumping in the step (3) is finished, the lower sealing cover of the filter cylinder is opened, water vapor is continuously introduced, and the diatomite in the filter cylinder is purged for 8-10 minutes, so that the residual oil and wax grease in the diatomite is discharged along with the vapor, and the content of the oil and wax grease in the diatomite is further reduced.

The beneficial effects of the utility model reside in that:

1. the middle separation device of the utility model is more convenient to operate, saves time and labor, and has higher separation efficiency; the heat conduction oil is adopted for heating, chemical additives in the traditional technology are not adopted, the separation cost can be effectively reduced, the raw material consumption is reduced, no waste water is generated, and the environment is protected and the energy is saved;

2. the diatomite separated by the separation device of the utility model has the advantages that the content of the oil wax grease can be reduced to 0.1-0.2%, the separated diatomite can be reused, the production cost of the grease can be effectively saved, and the utilization rate of the raw materials can be improved; through the utility model discloses the pure wax that separates is higher than the wax price that contains the diatomaceous earth, and one ton exceeds 3000-plus 4000 yuan, has consequently improved the benefit of mill greatly.

Drawings

FIG. 1 is a schematic structural diagram of a device for separating oil and wax from diatomite;

FIG. 2 is a schematic view of the internal structure of the filter cartridge;

FIG. 3 is a schematic view of the construction of the filter bed;

reference numerals: 1 melting barrel, 2 diatomite and 3 first jacket; a filter cartridge 4, an upper sealing cover 5, a lower sealing cover 6, a feeding pipe 7 and a feeding valve 8; 9 a second jacket, 10 a filtering bottom plate and 11 filtering holes; 12 clamping pieces, 13 movable hoses, 14 vacuum buffer tanks, 15 exhaust pipes and 16 vacuum pumps; 17 steam pipe, 18 steam generator, 19 fixing bolt, 20 cooling box and 21 gear pump.

Detailed Description

The following examples are provided to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way. The elements of the apparatus referred to in the following examples are conventional elements of the apparatus unless otherwise specified.

Example 1: a separation device for oil wax and grease in diatomite is disclosed, referring to figures 1-3, and comprises a melting barrel 1 and a filter, wherein a first jacket 3 is arranged outside the side wall of the melting barrel 1, heat conducting oil is filled in the first jacket 3, and a feed opening is arranged at the bottom of the melting barrel 1.

The filter includes cartridge filter 4, sets up sealed lid 5 and the sealed lid 6 down at the last of cartridge filter 4 top and bottom respectively, has seted up the feed inlet on sealed lid 5, and the feed inlet is linked together through inlet pipe 7 and feed opening, is equipped with feed valve 8 on inlet pipe 7.

A second jacket 9 is arranged outside the side wall of the filter cartridge 4, and heat conduction oil is filled in the second jacket 9; a filter base plate 10 which can be opened and closed is arranged in the filter cartridge 4, and filter holes 11 are arranged on the filter base plate 10; one side of the lower sealing cover 6 is hinged with the bottom of the filter cartridge 4, and the other side is fixed with the filter cartridge through a clamping piece 12, wherein the clamping piece 12 is an existing equipment element; a mixing outlet is arranged at the center of the bottom of the lower sealing cover 6 and is connected to a vacuum buffer tank 14 through a movable hose 13, and an air pumping hole at the top of the vacuum buffer tank 14 is connected with a vacuum pump 16 through an air pumping pipe 15; the mixing outlet is detachably connected with the movable hose 13 through a sealing joint, and a valve is arranged at the sealing joint; sealing joint and flexible hose 13 are for dismantling being connected, when needs carry out the evacuation operation, are connected flexible hose 13 and sealing joint, open the valve can, after the evacuation operation finishes, can tear flexible hose 13 down, the opening of the sealed lid 6 of being convenient for down to and be convenient for unload of diatomaceous earth 2 in the cartridge filter 4.

One side of filtering bottom plate 10 is articulated mutually with the inner wall bottom of cartridge filter 4, has seted up the fixed orifices at the circumference equidistance of filtering bottom plate 10, is equipped with the bolt hole respectively in the position that the inner wall bottom of cartridge filter 4 corresponds the fixed orifices, wears to be equipped with fixing bolt 19 in fixed orifices and the bolt hole that corresponds respectively, and filtering bottom plate 10 passes through fixing bolt 19 to be fixed in the inner wall bottom of cartridge filter 4. When the diatomite needs to be filled into the filter cartridge 4, the filter base plate 10 is fixed through the fixing bolt 19, and the feeding valve 8 is opened to realize feeding; after the vacuumizing operation is finished, the lower sealing cover 6 is opened, steam purging operation is performed again, then the fixing bolt 19 can be taken down, the filtering bottom plate 10 is opened, the diatomite in the filter cartridge 4 can fall down and is caught by a trolley below to realize discharging, and then the filtering bottom plate 10 is fixed to perform next round of diatomite separation operation.

The cooling box 20 is further included, and a lower liquid outlet of the vacuum buffer tank 14 is communicated with the cooling box 20 through a liquid outlet pipe and a gear pump 21, and is used for pumping the oil wax grease in the vacuum buffer tank 14 into the cooling box 20.

The upper sealing cover 5 is provided with a steam inlet which is communicated with a steam outlet of a steam generator 18 through a steam pipeline 17.

Wherein the vacuum pump 16 is a water circulation vacuum pump; a sealing ring is arranged at the edge of the lower sealing cover 6 corresponding to the bottom of the filter cylinder 4; the mesh number of the filtering holes 11 is 160-180 meshes.

A method of separation using the separation device of example 1, comprising the steps of:

(1) preliminary squeezing: the method comprises the following steps of (1) packaging diatomite to be separated into small bags, neatly stacking the small bags into a squeezing cylinder of a squeezer, and forming extrusion holes in the side wall of the squeezing cylinder of the squeezer; setting the initial pressure of a squeezer to be below 100 kilograms, uniformly increasing the initial pressure to 260 kilograms, squeezing out grease and partial wax fat in the diatomite, pumping the squeezed grease into a crystallizing tank, recrystallizing and filtering to obtain qualified grease; at this time, the pressed diatomite also contains 28 to 32 percent of oil wax grease; wherein the diameter of the extrusion hole is 1mm, and the density is 1000/m². The squeezer can adopt a 90# squeezer in a vertical barrel shape, and squeezing power is provided by an air cylinder or a hydraulic cylinder; offer the lateral wall of squeezing the cylinder and extrude the hole for oil and wax fat in the diatomaceous earth can be extruded, squeeze (the material that the pouch can pass through for liquid) again with the diatomaceous earth dress in the pouch, can avoid the diatomaceous earth to spill from extruding the hole, guarantee simultaneously and squeeze the effect.

(3) And (3) filtering: the diatomite heated in the step (2) enters a filter cylinder of the filter through a feeding pipe and is arranged on a filter bottom plate; the lower sealing cover of the filter cylinder is closed and covered, and the diatomite in the filter cylinder is further heated through the heat conduction oil in the second jacket, so that the temperature of the diatomite is kept between 80 and 100 ℃; starting a steam generator, conveying 150-160 ℃ steam into the filter cartridge through a steam pipeline, simultaneously starting a vacuum pump, and pumping out air in the filter cartridge to ensure that the oil wax grease in the diatomite sequentially passes through the filter holes, the mixing outlet and the movable hose along with the steam to enter the vacuum buffer tank to realize gas-liquid separation; and after the vacuumizing is finished, opening a lower sealing cover of the filter cylinder, continuously introducing water vapor, and purging the diatomite for 8-10 minutes.

Through the utility model discloses a separation processing, the oily wax fat content of diatomaceous earth can reduce to between 0.1-0.2%, and the diatomaceous earth after handling moreover can used repeatedly, and the pure wax that separates out is higher than the wax price that contains the diatomaceous earth, and one ton exceeds 3000 and gives other cakes with honey 4000 yuan, has consequently improved the benefit of mill greatly.

Compared with the traditional mode of separating oil wax grease from diatomite, the utility model only adopts heat-conducting oil to heat the raw material, does not add any chemical reagent, can greatly reduce the separation cost and the raw material consumption, does not need to be washed and does not generate waste water; the utility model discloses a separator be convenient for operation, labour saving and time saving, separation efficiency is higher, the separation effect is better, environmental protection and energy saving more.

The present invention has been described in detail with reference to the embodiments, but those skilled in the art will understand that the specific parameters in the embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation range of the present invention, and the detailed description is omitted here.

Claims

1. The device for separating the wax and the grease in the diatomite is characterized by comprising a melting barrel and a filter, wherein a first jacket is arranged outside the side wall of the melting barrel, heat conduction oil is filled in the first jacket, and a feed opening is formed in the bottom of the melting barrel;

2. The device for separating oil from wax in diatomite as claimed in claim 1, wherein one side of the filtering bottom plate is hinged to the bottom end of the inner wall of the filtering cylinder, fixing holes are formed on the circumference of the filtering bottom plate at equal intervals, bolt holes are respectively formed in the bottom end of the inner wall of the filtering cylinder at positions corresponding to the fixing holes, fixing bolts are respectively inserted into the fixing holes and the corresponding bolt holes, and the filtering bottom plate is fixed to the bottom end of the inner wall of the filtering cylinder through the fixing bolts.

3. The apparatus for separating oil and wax from diatomite of claim 1, wherein the vacuum pump is a water circulation vacuum pump.

4. The apparatus for separating oil and wax from diatomite as claimed in claim 1, further comprising a cooling tank, wherein the lower liquid outlet of the vacuum buffer tank is communicated with the cooling tank through a liquid outlet pipe and a gear pump, and is used for pumping the oil and wax from the vacuum buffer tank into the cooling tank.

5. The apparatus for separating oil from wax in diatomite as claimed in claim 1, wherein a sealing ring is provided at the edge of said lower sealing cover corresponding to the bottom of the filter cartridge.

6. The device for separating oil from wax in diatomite as claimed in claim 1, wherein the number of said filtering holes is 160-180 meshes.