CN214863600U - Spent bleaching clay regenerating unit - Google Patents
Spent bleaching clay regenerating unit Download PDFInfo
- Publication number
- CN214863600U CN214863600U CN202023343846.5U CN202023343846U CN214863600U CN 214863600 U CN214863600 U CN 214863600U CN 202023343846 U CN202023343846 U CN 202023343846U CN 214863600 U CN214863600 U CN 214863600U
- Authority
- CN
- China
- Prior art keywords
- unit
- regeneration
- clay
- oil
- tail gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fats And Perfumes (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
A spent bleaching clay regenerating unit comprises a crushing unit, a regenerating unit and a tail gas treatment unit which are connected in sequence; the device comprises a crushing unit, a regeneration unit and a tail gas treatment unit, wherein the crushing unit is used for crushing the waste clay to be regenerated and conveying the crushed waste clay to the regeneration unit, the regeneration unit is used for separating oil in the waste clay through heating in a protective gas atmosphere to respectively obtain regenerated clay and recovered oil, then the residual oil is removed through combustion, and the tail gas treatment unit is used for treating the generated tail gas. The utility model discloses a useless carclazyte regenerating unit area is little, convenient operation, input cost are lower, adaptability is wide, and regeneration simple process, can improve useless carclazyte regeneration efficiency and regeneration carclazyte's decoloration effect.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry, concretely relates to useless carclazyte regenerating unit can show the decoloration effect that provides regeneration efficiency and regeneration carclazyte.
Background
In the refining process of products such as paraffin, Fischer-Tropsch wax, lubricating oil base oil and the like, activated clay with the content of 1-5% of materials is usually used for refining treatment, and 20-50% of materials are generally adsorbed in the waste clay after the refining treatment. For many years, the waste argil after refining treatment in most chemical plants and oil refineries is directly mixed with coal to be used as fuel or directly buried and discarded as waste, so that the waste argil is not developed and utilized fully and reasonably. If the waste clay used for refining treatment in a factory cannot be treated in time, the environment can be polluted, the underground water quality is endangered, and when the contained oil is light oil, the waste clay is easy to spontaneously combust when contacting with air, so that fire is caused. If the waste argil is recycled, the waste argil generated in a factory can be recycled, the pollution to soil caused by random stacking of the waste argil is prevented, and the expenses of the factory on purchasing of fresh argil and solid waste treatment of the waste argil can be reduced.
Therefore, the effective recovery of spent bleaching clay is a problem to be solved. In the prior art, the regenerated argil process mostly adopts solvent extraction and other means to assist regeneration (centrifugal treatment, heating treatment, ultrasonic treatment, acidification treatment and the like), and the regeneration process is complex and the investment cost is high.
SUMMERY OF THE UTILITY MODEL
For solving the problems of complicated operation, large occupied area, complex process flow and the like of the prior equipment, the utility model provides a novel waste argil regeneration device and a regeneration process.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a spent bleaching clay regenerating unit comprises a crushing unit, a regenerating unit and a tail gas treatment unit which are connected in sequence; the device comprises a crushing unit, a regeneration unit and a tail gas treatment unit, wherein the crushing unit is used for crushing the waste clay to be regenerated and conveying the crushed waste clay to the regeneration unit, the regeneration unit is used for separating oil in the waste clay through heating in a protective gas atmosphere to respectively obtain regenerated clay and recovered oil, then the residual oil is removed through combustion, and the tail gas treatment unit is used for treating the generated tail gas.
In some embodiments, the crushing unit comprises a crusher and a conveyor, preferably the conveyor is a screw conveyor.
In some embodiments, the regeneration unit is a rotary regenerator comprising a firing pot and a heater for heating the firing pot. In some embodiments, the roasting tank is provided with an air inlet through which shielding gas or air is introduced, respectively, and preferably, the air inlet is provided with a flow controller.
In some embodiments, the roasting tank is provided with a regenerated clay discharge opening and an oil outlet, the oil outlet is connected with the oil-gas separator through an oil-gas pipeline, and preferably, the oil outlet is provided with a filter.
In some embodiments, the firing pot includes a temperature sensor.
In some embodiments, the spent bleaching earth regeneration device further comprises a waste heat recovery unit, and the waste heat recovery unit is connected with the regeneration unit.
In some embodiments, the tail gas processing unit includes dust remover and adsorption tank, dust remover and adsorption tank pass through the tail gas pipeline with the oil gas pipeline, the tail gas pipeline with be provided with the valve on the oil gas pipeline respectively.
In some embodiments, the dust collector is a bag-type dust collector or an electric dust collector, and the adsorbent filled in the adsorption tank is activated carbon, zeolite molecular sieve or activated alumina.
In some embodiments, the shielding gas is an inert gas, such as nitrogen or helium.
Compared with the prior art, the utility model discloses an useless carclazyte regenerating unit has following beneficial effect:
the utility model discloses a useless carclazyte regenerating unit area is little, equipment operation is convenient, the input cost is lower, adaptability is wide, can promote the refined processing unit use to profession and study laboratory, scientific research institution, enterprise research and development center, coal chemical industry and many trades such as petrochemical industry according to user's requirement and usage.
The utility model discloses a useless carclazyte regeneration simple process, useless carclazyte regeneration efficiency is high, and the decoloration of regeneration carclazyte is effectual.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1 is a schematic view of a spent bleaching earth regenerating apparatus according to an embodiment of the present invention;
description of reference numerals:
1-a crusher; 2-a conveyor; 3-a regenerative furnace; 4-a heater; 5-a flow controller; 7-an oil-gas separator; 8-a waste heat recovery unit; 9-a dust remover; 10-adsorption tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
In the description of the present invention, reference to "one embodiment" means that a specific feature, structure, or parameter, step, or the like described in the embodiment is included in at least one embodiment according to the present invention. Thus, the use of terms such as "in one embodiment," "in one embodiment," and the like, in the description of the invention is not intended to refer specifically to the same embodiment, nor is the use of terms such as "in another embodiment," "in a different embodiment of the invention," "in another embodiment of the invention," and the like, in the description of the invention intended to refer specifically to features that are included in a particular different embodiment. Those of skill in the art will understand that the particular features, structures or parameters, steps, etc., disclosed in one or more embodiments of the present disclosure may be combined in any suitable manner.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The conventional regenerated clay process mostly adopts solvent extraction and other means to assist regeneration (centrifugal treatment, heating treatment, ultrasonic treatment, acidification treatment and the like), and has complex regeneration process and high input cost. The utility model discloses an investigation, regeneration effect investigation, the evaluation of regeneration life-span to useless carclazyte regeneration mode and regeneration condition, provide an easy operation, the input cost is lower, the better useless carclazyte regenerating unit and the regeneration method of carclazyte decoloration effect after the regeneration.
As shown in fig. 1, the embodiment of the utility model provides an useless carclazyte regenerating unit is including the crushing unit, regeneration unit and the tail gas processing unit that connect gradually, and wherein crushing unit includes breaker 1 and conveyer 2, and breaker 1 is used for carrying out crushing treatment with the useless carclazyte that treats regeneration, and conveyer 2 links to each other with the export of breaker 1 for carry the regeneration unit with the useless carclazyte after the breakage. In one embodiment, the conveyor is preferably a screw conveyor.
The regeneration unit removes oil in the waste clay through heating, in one embodiment, the regeneration unit is a rotary regeneration furnace and comprises a roasting tank 3, a heater 4 is arranged on the periphery of the roasting tank 3, a temperature sensor can be arranged in the roasting tank 3, a feed port and an air inlet are arranged at the feed end of the roasting tank 3, the feed port is connected with a conveyor 2 and used for introducing the crushed waste clay into the roasting tank 3, the air inlet is respectively connected with an air source and a protective air source through a gas pipeline and used for introducing air or protective gas into the roasting tank 3, a flow controller 5 and a valve are arranged on the gas pipeline, and the air or the protective gas can be introduced through a switching valve respectively.
Protective gas is introduced in the regeneration stage, and the clay and the oil content are separated by heating in the protective gas atmosphere, so that the protective gas can prevent the oil content from being oxidized. The discharge end of the roasting tank 3 is provided with a regenerated clay discharge opening and an oil outlet, the regenerated clay discharge opening is used for discharging regenerated clay out of the roasting tank 3, the oil outlet is provided with a filter 5, oil gas generated in the regeneration process is led into an oil-gas separator 7 through an oil-gas pipeline through a filter 6, and the oil-gas separator 7 separates the oil gas to obtain recovered oil. In one embodiment, the shielding gas source is a nitrogen gas source. In other embodiments, the shielding gas may also be other inert gases, such as helium, and the like. After the clay and the oil were separated, air was introduced to remove the oil remaining in the roasting tank 3 by combustion.
The embodiment of the utility model provides an in, gyration regenerator can be at regeneration stage integral rotation, perhaps only the calcination jar 3 in the gyration regenerator is rotatory, and the rest remains motionless to guarantee that calcination jar 3 is heated evenly.
According to an embodiment of the present invention, the heater 4 may be of a fuel furnace, an electric furnace, or an auto-heating furnace, etc. In a preferred embodiment, the spent bleaching clay regenerating device further comprises a waste heat recovery unit 8, on one hand, according to the temperature detected by the temperature sensor, a heat transfer medium (such as air, water or heat transfer oil) is circulated and the flow rate of the heat transfer medium is controlled timely to prevent the temperature in the roasting tank 3 from being too high, so as to control the temperature in the roasting tank 3, and on the other hand, the heat in the roasting tank 3 can be recovered through the circulation of the heat transfer medium, so as to achieve the purpose of energy recycling.
The tail gas processing unit is used for processing the tail gas that produces, includes dust remover 9 and adsorption tank 10 through the tail gas tube coupling, and the tail gas tube says and links to each other with oil gas pipeline, and is provided with the valve respectively on tail gas tube says and the oil gas pipeline, through switching over the valve, can carry out oil collection and tail gas processing respectively. The embodiment of the utility model provides an in, dust remover 9 can be sack cleaner or electrostatic precipitator, and the adsorbent of packing in adsorption tank 10 can be active carbon, zeolite molecular sieve or active alumina etc..
According to an embodiment of the utility model, utilize useless carclazyte regenerating unit to carry out useless carclazyte regeneration's method includes following step:
1. before starting, the air in the rotary regeneration furnace is replaced by nitrogen.
2. A crushing section: the waste clay is conveyed to a crusher 1 from the outside for crushing, the size of the crushed waste clay is about 10mm to 20mm to 100 mm to 200mm, and the crushed waste clay is conveyed to a rotary regeneration furnace for regeneration treatment through a screw conveyor 2.
3. A regeneration section: after the crushed waste clay enters a rotary regeneration furnace, a heating device 4 is utilized to heat a roasting tank 3, the heating temperature is 350-900 ℃ (such as 400 ℃, 500 ℃, 600 ℃, 700 ℃ or 800 ℃), the rotating speed of the rotary regeneration furnace is 10-500rpm/min (such as 100rpm/min, 200rpm/min, 300rpm/min or 400rpm/min), meanwhile, nitrogen is conveyed as protective gas to regenerate the waste clay, the gas flow of the nitrogen is 0.1-4L/min (0.5L/min, 1L/min, 2L/min or 3L/min), the regeneration time is 0.5-6hr (for example 1hr, 2hr, 3hr, 4hr or 5hr), oil gas generated in the regeneration process enters an oil-gas separator 7 through a filter 6, and the oil gas is separated at the temperature of-20-50 ℃. The regenerated clay in the rotary regeneration furnace is recycled and bagged through a regenerated clay discharge opening by taking nitrogen as power. At this stage, it is possible to prevent the roasting tank 3 from being overheated and to recover the excessive heat using the waste heat recovery unit 8.
4. Tail gas treatment: the valve on the gas pipeline is switched after the oil is extracted in order to input air, and remaining oil content in the roasting tank 3 is removed through burning, and the valve on tail gas pipeline and the oil gas pipeline is switched simultaneously in order to lead tail gas to the tail gas treatment system. The exhaust gas generated by combustion is mostly carbon dioxide, dust, water vapor and the like. The dust can be recovered by a bag-type dust collector 9, and the water vapor and some organic matters can be absorbed by an active carbon tank 10.
Through the technical scheme, the utility model provides a useless carclazyte regenerating unit and regeneration method has advantages such as the process units design is simple, the small investment, efficient, and adaptability is wide.
In an embodiment of the present invention, the raw wax is decolorized by the regenerated clay obtained by the regeneration device and the regeneration method of the present invention, and the decolorized wax obtained by using the regenerated clay and the new clay as decolorizer is compared.
In this example, the raw wax before decolorization was rated 8 in color, had a drop melting point of 95 ℃ and a penetration of 5(1/10 mm). The performance specifications for the wax products are shown in the table below.
Remarks are as follows: color rating description: the color grade 8 is the worst color, and the color grade 2 is the better color, so that the color requirement of the market on products can be met.
It can be seen that the utility model discloses the regeneration carclazyte that obtains can reach the decoloration effect the same with new carclazyte, and even after regeneration 20 times, the decoloration effect still does not reduce.
The regenerated clay may be blended with neoclay and/or diatomaceous earth, and the proportion of regenerated clay in the bleaching agent may be between 10-100 wt%, depending on product requirements and for cost control purposes.
As can be seen from the above embodiments, the waste clay regeneration device and the regeneration method of the present invention are relatively simple in operation, and can significantly provide the regeneration efficiency and the decolorization effect of the regenerated clay.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A spent bleaching clay regenerating unit comprises a crushing unit, a regenerating unit and a tail gas treatment unit which are connected in sequence; the device comprises a crushing unit, a regeneration unit and a tail gas treatment unit, wherein the crushing unit is used for crushing the waste clay to be regenerated and conveying the crushed waste clay to the regeneration unit, the regeneration unit is used for separating oil in the waste clay through heating in a protective gas atmosphere to respectively obtain regenerated clay and recovered oil, then the residual oil is removed through combustion, and the tail gas treatment unit is used for treating the generated tail gas.
2. The spent clay regeneration apparatus of claim 1, wherein the crushing unit comprises a crusher and a conveyor.
3. The spent clay regeneration apparatus of claim 1, wherein the regeneration unit is a rotary regenerator comprising a roasting tank and a heater for heating the roasting tank.
4. The spent bleaching earth regenerating unit according to claim 3, wherein the roasting tank is provided with an air inlet for introducing a shielding gas or air through an air inlet pipe, respectively, the shielding gas being nitrogen or helium.
5. The spent bleaching earth regenerating device according to claim 4, wherein a flow controller is provided on the intake pipe.
6. The spent bleaching earth regenerating device according to claim 3, wherein the roasting tank is provided with a regenerated bleaching earth discharge opening and an oil outlet, the oil outlet is connected with an oil-gas separator through an oil-gas pipeline, and the oil outlet is provided with a filter.
7. The spent bleaching earth regeneration device of claim 1, wherein the spent bleaching earth regeneration device further comprises a waste heat recovery unit, the waste heat recovery unit being coupled to the regeneration unit.
8. The spent clay regeneration apparatus of claim 3, wherein the roasting tank comprises a temperature sensor.
9. The spent bleaching earth regenerating unit according to claim 1, wherein the tail gas treatment unit comprises a dust remover and an adsorption tank, the dust remover and the adsorption tank are connected through a tail gas pipeline, the tail gas pipeline is connected with an oil gas pipeline, and the tail gas pipeline and the oil gas pipeline are respectively provided with a valve.
10. The spent bleaching earth regenerating device of claim 9, wherein the dust collector is a bag dust collector or an electric dust collector, and the adsorbent filled in the adsorption tank is activated carbon, zeolite molecular sieve or activated alumina.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343846.5U CN214863600U (en) | 2020-12-31 | 2020-12-31 | Spent bleaching clay regenerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343846.5U CN214863600U (en) | 2020-12-31 | 2020-12-31 | Spent bleaching clay regenerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214863600U true CN214863600U (en) | 2021-11-26 |
Family
ID=78863839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023343846.5U Active CN214863600U (en) | 2020-12-31 | 2020-12-31 | Spent bleaching clay regenerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214863600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479910A (en) * | 2021-12-31 | 2022-05-13 | 内蒙古伊泰煤基新材料研究院有限公司 | Waste clay regeneration method and regeneration device |
-
2020
- 2020-12-31 CN CN202023343846.5U patent/CN214863600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479910A (en) * | 2021-12-31 | 2022-05-13 | 内蒙古伊泰煤基新材料研究院有限公司 | Waste clay regeneration method and regeneration device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104289513B (en) | A kind of mercury contaminated soil thermal desorption processing means and processing method | |
| CN101280497B (en) | Environment-protecting technology and device for reclaiming and purifying waste heat of dying setting machine | |
| CN107159103A (en) | Oil-containing waste diatomite filter aid circulation regeneration method and system | |
| CN108105790B (en) | Oily sludge glows processing unit | |
| CN214863600U (en) | Spent bleaching clay regenerating unit | |
| TWI401309B (en) | Continuous steam cracking device and cracking furnace therefor | |
| CN101531912B (en) | Waste rubber processing device | |
| CN106424113A (en) | Thermal desorption system and thermal desorption method for treating mercury-contaminated soil | |
| CN210411894U (en) | Thermal desorption device for treating mercury-contaminated soil | |
| CN110813000A (en) | Quenching oil fume waste gas treatment and collection process | |
| CN101898196B (en) | Method and device for recycling electronic waste with complex components | |
| CN110180882B (en) | Thermal desorption device for treating mercury contaminated soil | |
| CN101555413B (en) | Continuous type steam cracking equipment and cracking furnace used for same | |
| CN114682239A (en) | Waste clay regeneration device and regeneration method | |
| CN209307301U (en) | Waste tire cracks recovery and processing system | |
| CN204122456U (en) | A kind of mercury contaminated soil thermal desorption treating apparatus | |
| CN204769855U (en) | Soil eluting carries matter prosthetic devices | |
| CN211097980U (en) | Continuous gas-solid filtering device | |
| KR101663469B1 (en) | Method for removing mercury using automatic disposal system of mercury-containing waste | |
| CN104492216A (en) | Device for purifying oily sludge thermally desorbed gas and method for purifying oily sludge thermally desorbed gas | |
| CN102527361A (en) | Regeneration method of diatomite | |
| KR101885757B1 (en) | Apparatus for recycleing activated carbon | |
| CN106180150B (en) | Environmental-protection organic matter energy regeneration recycling system and regeneration recoverying and utilizing method | |
| CN217248975U (en) | Waste activated carbon regeneration equipment | |
| CN114479910A (en) | Waste clay regeneration method and regeneration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |