CN111023117A - Closed conveying device and method for rectification residues - Google Patents
Closed conveying device and method for rectification residues Download PDFInfo
- Publication number
- CN111023117A CN111023117A CN201911301584.5A CN201911301584A CN111023117A CN 111023117 A CN111023117 A CN 111023117A CN 201911301584 A CN201911301584 A CN 201911301584A CN 111023117 A CN111023117 A CN 111023117A
- Authority
- CN
- China
- Prior art keywords
- residue
- closed
- rectification
- conveying
- storage device
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/02—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of bagasse, megasse or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/446—Waste feed arrangements for liquid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
Abstract
The invention discloses a rectification residue closed conveying device which comprises a stirring device and a second pumping unit; the stirring device is provided with a diluent injection device and a closed stirring kettle; the second pumping unit is provided with a liquefied residue delivery pump. The invention also discloses a method for conveying the rectification residues by using the closed device. By adding the diluent, the rectification residue is stirred and liquefied, the purpose of liquid-state closed conveying of the rectification residue is realized, meanwhile, the energy consumption in the closed conveying process of the rectification residue is reduced, the cost is reduced, and the service life of equipment is prolonged.
Description
Technical Field
The invention relates to the field of hazardous waste environment protection, in particular to a rectification residue closed conveying device and a rectification residue closed conveying method.
Background
In the industrial production process of organic chemistry, a useful product or an intermediate product is obtained by a rectification separation technology, and simultaneously, residue or residual liquid is generated in a tower kettle, wherein the residue or residual liquid often contains more impurities and toxic and harmful substances, and the residue or residual liquid is often called as rectification residue in the dangerous waste management of China. With the development of the organic chemical industry and the improvement of the refinement rate, the generation amount of the rectification residues is continuously increased. Most of the rectification residues are viscous tar-like liquid or solid, the components are complex, main pollutants in the residues can be generally divided into benzene series, polycyclic aromatic hydrocarbon, halogenated compounds, heavy metals and other types, the residues mostly have inflammability, corrosivity and high toxicity, and the residues belong to dangerous wastes and can cause environmental pollution if the residues cannot be effectively utilized and disposed.
The rectification residue which has high viscosity and is easy to solidify and can not be recycled is treated by high-temperature incineration. The rectification residue is discharged from the bottom of the kettle, cooled and solidified and then sent into the incinerator for incineration in a solid state mode, so that the incineration is incomplete, a large amount of harmful gas is discharged, and the rectification residue needs to be conveyed to the incinerator in a liquid state mode. In order to prevent that high temperature rectification residue from solidifying because of the cooling in transportation process, need constantly heat rectification residue pipeline and rectification residue storage device, this operation need additionally set up heating device on storing and conveyor, has the problem that the energy consumption is many, equipment is complicated, and the rectification residue is in the corruption that the heating state can accelerate equipment all the time simultaneously, shortens conveyor's life.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a rectification residue airtight conveying device, which reduces energy consumption during the rectification residue airtight conveying process, reduces cost, prolongs equipment service life, and simultaneously realizes airtight conveying of liquid rectification residues to prevent pollution of volatile gas in the rectification residues to the environment.
The second purpose of the invention is to provide a method for hermetically conveying the rectification residues, which reduces the viscosity of the rectification residues by adding a diluent and stirring and liquefying so as to realize the purpose of hermetically conveying the liquid rectification residues.
The first technical scheme adopted by the invention is as follows: a closed conveying device for rectification residues comprises a stirring device and a second pumping unit; the stirring device is provided with a diluent injection device and a closed stirring kettle; the second pumping unit is provided with a liquefied residue delivery pump.
Preferably, the stirring device and the second pumping unit are both closed devices.
Preferably, the rectification residue closed conveying device further comprises a temporary storage device and a first pumping unit; the temporary storage device is provided with a feed inlet, a discharge outlet and a safety valve for pressure relief, and the feed inlet is provided with a feed valve; the first pumping unit is provided with a rectification residue delivery pump; one end of the rectification residue conveying pump is connected with the temporary storage device, and the other end of the rectification residue conveying pump is connected with the stirring device; the temporary storage device is used for temporarily storing the rectification residues.
Preferably, the temporary storage device and the first pumping unit are both closed devices.
Preferably, the rectification residue closed conveying device further comprises a storage device; one end of the storage device is connected with the stirring device, and the other end of the storage device is connected with the second pumping unit.
Preferably, the storage device is a closed device.
Preferably, the storage device is provided with a liquefied storage tank, a liquid level detection device and a pressure relief safety valve; the liquefaction storage tank is used for storing liquefaction residues.
Preferably, the second pumping unit further comprises a fluid delivery metering device, and one end of the fluid delivery metering device is connected with the liquefied residue delivery pump.
Preferably, the diluent injection device is provided with a metering device.
The second technical scheme adopted by the invention is as follows: the rectification residue closed conveying method comprises the following steps:
1) hermetically conveying the rectification residues discharged in production to a closed stirring kettle; meanwhile, the diluent is metered by a metering device on the diluent injection device and then injected into the closed stirring kettle;
2) and the rectification residues are stirred and liquefied in the closed stirring kettle, and are pumped by a liquefied residue delivery pump after the pumping requirement is met.
Preferably, the rectification residues in the temporary storage device are stored in the temporary storage device before being conveyed to the closed stirring kettle, and the rectification residues in the temporary storage device are hermetically conveyed to the closed stirring kettle by a first pumping unit arranged below the temporary storage device.
Preferably, the liquefied residue passes through a storage device and a fluid conveying and metering device before being pumped, and the liquefied residue in the storage device is pumped to the fluid conveying and metering device by a liquefied residue conveying pump for metering.
Preferably, the diluent is one of benzene, glycerol and hot water or wash oil at the temperature of 50-70 ℃, and the volume ratio of the diluent to the rectification residue is 1: 3-1: 5.
Preferably, the requirements for pumping are: the kinematic viscosity of the liquefied residue is less than or equal to 1000mm2/s。
The beneficial effects of the technical scheme are as follows:
(1) the liquid state closed conveying of the rectification residues is realized, and the pollution of volatile gas in the rectification residues to the environment is prevented.
(2) The energy consumption in the process of hermetically conveying the rectification residues is reduced, the cost is reduced, and the service life of equipment is prolonged.
(3) The diluent is selected to reduce the viscosity of the rectification residue, so that the rectification residue is diluted and liquefied.
(4) The accurate measurement of the treatment capacity of the rectification residue is realized.
Drawings
FIG. 1 is a schematic diagram of a closed conveying device for rectification residues and a method thereof.
Among them are: 1. the device comprises a temporary storage device, 2, a first pumping unit, 3, a diluent injection device, 4, a closed stirring kettle, 5, a storage device, 6, a liquefied residue delivery pump and 7, a fluid delivery metering device.
Detailed Description
The present invention is further illustrated by the following specific examples, it should be noted that, for those skilled in the art, variations and modifications can be made without departing from the principle of the present invention, and these should also be construed as falling within the scope of the present invention.
Example 1
As shown in fig. 1, the rectification residue closed conveying device provided by the invention comprises a stirring device and a second pumping unit; the stirring device is provided with a diluent injection device 3 and a closed stirring kettle 4, the diluent injection device 3 is used for injecting a diluent, and the closed stirring kettle 4 is used for liquefying and stirring the mixture of the diluent and the rectification residues; the second pumping unit is provided with a liquefied residue delivery pump 6; the stirring device and the second pumping unit are both closed devices.
The rectification residue discharged in production is measured according to the rotating speed of a spiral material conveying pump and then is hermetically conveyed to a closed stirring kettle 4 from the top of the tank; meanwhile, the wash oil is metered by a metering device on the diluent injection device 3 and then injected into the closed stirring kettle 4; the volume ratio of the washing oil to the rectification residue is 1: 3; under the action of the washing oil, the rectification residues are stirred and liquefied in a closed stirring kettle 4 to form a liquid material with the mobility and the kinematic viscosity of less than or equal to 1000mm2(ii) liquefied residue per second; the liquefied residue is pumped from the closed stirring kettle 4 to the incineration device by a liquefied residue delivery pump 6. The process utilizes the principle that materials are similar and mutually soluble, selects a diluent to reduce the viscosity of the rectification residues, dilutes and liquefies the rectification residues, realizes the liquid closed conveying of the rectification residues, prevents the pollution of volatile gases in the rectification residues to the environment, reduces the energy consumption in the closed conveying process of the rectification residues, reduces the cost and prolongs the service life of equipment.
Example 2
As shown in fig. 1, the rectification residue closed conveying device provided by the invention comprises a stirring device and a second pumping unit; the stirring device is provided with a diluent injection device 3 and a closed stirring kettle 4, the diluent injection device 3 is used for injecting a diluent, and the closed stirring kettle 4 is used for liquefying and stirring the mixture of the diluent and the rectification residues; the second pumping unit is provided with a liquefied residue delivery pump 6; the stirring device and the second pumping unit are both closed devices.
The rectification residue closed conveying device further comprises a temporary storage device 1 and a first pumping unit 2; the temporary storage device 1 is provided with a feed inlet, a discharge outlet and a safety valve for pressure relief, and a feed valve is arranged at the feed inlet; the first pumping unit 2 is provided with a rectification residue delivery pump; the temporary storage device 1 and the first pumping unit 2 are both closed devices; one end of the rectification residue conveying pump is connected with the temporary storage device 1, and the other end of the rectification residue conveying pump is connected with the stirring device.
The rectification residue closed conveying device further comprises a storage device 5, wherein the storage device is a closed device, one end of the storage device 5 is connected with the stirring device, and the other end of the storage device is connected with the second pumping unit.
The rectification residue discharged in production is measured according to the rotating speed of a spiral material conveying pump and then is hermetically conveyed to a temporary storage device 1 from the top of the tank, and a feeding valve arranged on a feeding port of the temporary storage device 1 can control the feeding speed; the rectification residues in the temporary storage device 1 are hermetically conveyed to a closed stirring kettle 4 by a first pumping unit 2 arranged below the temporary storage device 1; meanwhile, the washing oil is metered by a metering device on the diluent injection device 3 and then injected into the closed stirring kettle 4, and the volume ratio of the washing oil to the rectification residue is 1: 3; under the action of the washing oil, the rectification residues are stirred and liquefied in a closed stirring kettle 4 to form a liquid material with the mobility and the kinematic viscosity of less than or equal to 1000mm2(ii) liquefied residue per second; conveying the liquefied residues from the closed stirring kettle 4 to a storage device 5; the liquefied residue in the storage means 5 is pumped into the incineration apparatus by a liquefied residue transfer pump 6. Temporary storage device 1 is used for the temporary storage of rectification residue, storage device is used for the storage of liquefaction residue.
Example 3
As shown in fig. 1, the rectification residue closed conveying device provided by the invention comprises a stirring device and a second pumping unit; the stirring device is provided with a diluent injection device 3 and a closed stirring kettle 4, the diluent injection device 3 is used for injecting a diluent, and the closed stirring kettle 4 is used for liquefying and stirring the mixture of the diluent and the rectification residues; the second pumping unit is provided with a liquefied residue delivery pump 6; the stirring device and the second pumping unit are both closed devices.
The rectification residue closed conveying device further comprises a temporary storage device 1 and a first pumping unit 2; the temporary storage device 1 is provided with a feed inlet, a discharge outlet and a safety valve for pressure relief, and a feed valve is arranged at the feed inlet; the first pumping unit 2 is provided with a rectification residue delivery pump; the temporary storage device 1 and the first pumping unit 2 are both closed devices; one end of the rectification residue conveying pump is connected with the temporary storage device 1, and the other end of the rectification residue conveying pump is connected with the stirring device.
The rectification residue closed conveying device further comprises a storage device 5, wherein the storage device is a closed device, one end of the storage device 5 is connected with the stirring device, and the other end of the storage device is connected with the second pumping unit.
The second pumping unit further comprises a fluid conveying and metering device 7, one end of the fluid conveying and metering device 7 is connected with the liquefied residue conveying pump 6, and the other end of the fluid conveying and metering device is connected with the incineration device.
The rectification residue discharged in production is measured according to the rotating speed of a spiral material conveying pump and then is hermetically conveyed to a temporary storage device 1 from the top of the tank, and a feeding valve arranged on a feeding port of the temporary storage device 1 can control the feeding speed; the rectification residues in the temporary storage device 1 are hermetically conveyed to a closed stirring kettle 4 by a first pumping unit 2 arranged below the temporary storage device 1; meanwhile, after being metered by a metering device on the diluent injection device 3, the glycerol is injected into the closed stirring kettle 4, wherein the volume ratio of the glycerol to the rectification residue is 1: 5; under the action of glycerin, the rectification residue is stirred and liquefied in a closed stirring kettle 4 to form a liquid product with the mobility and the kinematic viscosity of less than or equal to 1000mm2(ii) liquefied residue per second; conveying the liquefied residues from the closed stirring kettle 4 to a storage device 5; the liquefied residue in the storage device 5 is pumped to a fluid conveying and metering device 7 by a liquefied residue conveying pump 6, and enters an incineration device after being accurately metered, and the treatment capacity of the rectification residue can be accurately obtained by accurately metering the treatment capacity of the liquefied residue and the addition capacity of the glycerol.
Claims (10)
1. The closed conveying device for the rectification residues is characterized by comprising a stirring device and a second pumping unit; the stirring device is provided with a diluent injection device (3) and a closed stirring kettle (4); the second pumping unit is provided with a liquefied residue delivery pump (6).
2. The rectification residue closed conveying device as claimed in claim 1, characterized by further comprising a temporary storage device (1) and a first pumping unit (2); the temporary storage device (1) is provided with a feed inlet, a discharge outlet and a safety valve for pressure relief, and the feed inlet is provided with a feed valve; the first pumping unit (2) is provided with a rectification residue delivery pump; one end of the rectification residue conveying pump is connected with the temporary storage device (1), and the other end of the rectification residue conveying pump is connected with the stirring device.
3. A rectification residue closed conveying device according to claim 1 or 2, characterized by further comprising a storage device (5); one end of the storage device (5) is connected with the stirring device, and the other end of the storage device is connected with the second pumping unit.
4. The rectification residue closed conveying device as claimed in claim 1, wherein the second pumping unit further comprises a fluid conveying metering device (7), and one end of the fluid conveying metering device (7) is connected with the liquefaction residue conveying pump (6).
5. The distillation residue closed conveying device as claimed in claim 1, wherein a metering device is arranged on the diluent injection device (3).
6. The rectification residue closed conveying method is characterized by comprising the following steps:
1) the rectification residue discharged in production is hermetically conveyed to a closed stirring kettle (4); meanwhile, the diluent is metered by a metering device on the diluent injection device (3) and then injected into the closed stirring kettle (4);
2) the rectification residues are stirred and liquefied in the closed stirring kettle (4), and are pumped by the liquefied residue delivery pump (6) after meeting the pumping requirement.
7. The rectification residue closed conveying method of claim 6, characterized in that the rectification residue is stored in a temporary storage device (1) before being conveyed to the closed stirred tank (4), and the rectification residue in the temporary storage device (1) is conveyed to the closed stirred tank (4) in a closed manner by a first pumping unit (2) arranged below the temporary storage device (1).
8. The rectification residue closed conveying method according to claim 6, characterized in that the liquefied residue passes through a storage device (5) and a fluid conveying and metering device (7) before being pumped, and the liquefied residue in the storage device (5) is pumped to the fluid conveying and metering device (7) by a liquefied residue conveying pump (6) for metering.
9. The rectification residue closed conveying method as claimed in claim 6, wherein the diluent is one of benzene, glycerol, hot water at 50-70 ℃ or wash oil, and the volume ratio of the diluent to the rectification residue is 1: 3-1: 5.
10. The rectification residue closed conveying method according to claim 6, wherein the requirement for pumping is that: the kinematic viscosity of the liquefied residue is less than or equal to 1000mm2/s。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301584.5A CN111023117A (en) | 2019-12-17 | 2019-12-17 | Closed conveying device and method for rectification residues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301584.5A CN111023117A (en) | 2019-12-17 | 2019-12-17 | Closed conveying device and method for rectification residues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111023117A true CN111023117A (en) | 2020-04-17 |
Family
ID=70209315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911301584.5A Pending CN111023117A (en) | 2019-12-17 | 2019-12-17 | Closed conveying device and method for rectification residues |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111023117A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53144875A (en) * | 1977-05-24 | 1978-12-16 | Kimura Kakoki Co Ltd | Treatment of sulfuric acid sludge |
| CN1763430A (en) * | 2004-10-19 | 2006-04-26 | 大连市环境保护总公司 | Incineration treatment method for waste containing halogen and arene |
| CN103953933A (en) * | 2014-04-29 | 2014-07-30 | 福建省环境工程有限公司 | Method for treating waste triethyl aluminum |
| CN203899497U (en) * | 2014-04-29 | 2014-10-29 | 福建省环境工程有限公司 | Thinning tank for waste aluminum triethyl |
| CN105402742A (en) * | 2015-12-01 | 2016-03-16 | 中国天辰工程有限公司 | Feed-in hazardous waste diluting device for incinerator and method of device |
| CN106749374A (en) * | 2017-03-16 | 2017-05-31 | 山东东方宏业化工有限公司 | Slag recovering after triisobutyl aluminium production utilizes system and process |
| CN206587615U (en) * | 2017-03-22 | 2017-10-27 | 福建省环境工程有限公司 | A kind of tar thinning tank |
| CN109134801A (en) * | 2017-06-15 | 2019-01-04 | 狄超 | A method of catalysts for polyurethanes is prepared with the rectification residue of production dimethylamino ethyl acrylate |
| CN208431783U (en) * | 2018-04-28 | 2019-01-25 | 江苏新东风化工科技有限公司 | A kind of acrylic acid and esters waste oil processing system |
-
2019
- 2019-12-17 CN CN201911301584.5A patent/CN111023117A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53144875A (en) * | 1977-05-24 | 1978-12-16 | Kimura Kakoki Co Ltd | Treatment of sulfuric acid sludge |
| CN1763430A (en) * | 2004-10-19 | 2006-04-26 | 大连市环境保护总公司 | Incineration treatment method for waste containing halogen and arene |
| CN103953933A (en) * | 2014-04-29 | 2014-07-30 | 福建省环境工程有限公司 | Method for treating waste triethyl aluminum |
| CN203899497U (en) * | 2014-04-29 | 2014-10-29 | 福建省环境工程有限公司 | Thinning tank for waste aluminum triethyl |
| CN105402742A (en) * | 2015-12-01 | 2016-03-16 | 中国天辰工程有限公司 | Feed-in hazardous waste diluting device for incinerator and method of device |
| CN106749374A (en) * | 2017-03-16 | 2017-05-31 | 山东东方宏业化工有限公司 | Slag recovering after triisobutyl aluminium production utilizes system and process |
| CN206587615U (en) * | 2017-03-22 | 2017-10-27 | 福建省环境工程有限公司 | A kind of tar thinning tank |
| CN109134801A (en) * | 2017-06-15 | 2019-01-04 | 狄超 | A method of catalysts for polyurethanes is prepared with the rectification residue of production dimethylamino ethyl acrylate |
| CN208431783U (en) * | 2018-04-28 | 2019-01-25 | 江苏新东风化工科技有限公司 | A kind of acrylic acid and esters waste oil processing system |
Non-Patent Citations (3)
| Title |
|---|
| 刘淑萍等: "《冶金能源》", 31 July 2003 * |
| 山东省环境监察总队编: "《污染源现场执法实训 山东省重点行业污染源现场执法观摩》", 30 June 2017 * |
| 张兆玉: "《新编化工产品配方工艺手册 1》", 31 March 1997 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100937022B1 (en) | Crude oil preprocessing system for removing sludge from crude oil and the method therefor | |
| US9186814B2 (en) | Atmospheric storage mechanical weight batch blending plant | |
| CN203833277U (en) | Sludge receiving, storage and delivery pump system | |
| CN207521417U (en) | A kind of barium slag harmlessness processing system | |
| US5328105A (en) | Transportable processing unit capable of receiving various chemical materials to produce an essentially homogeneous admixture thereof | |
| CN210485755U (en) | Closed conveying device for rectification residues | |
| CN107445497B (en) | Method for treating rectification residues, tar and waste asphalt by using cement kiln in cooperation | |
| CN113399426A (en) | Barreled viscous colloidal hazardous waste treatment and recovery system device | |
| CN111023117A (en) | Closed conveying device and method for rectification residues | |
| CN206882393U (en) | Dangerous waste handles complexes | |
| US9289918B2 (en) | Atmospheric storage mechanical weight batch blending plant | |
| CN204436297U (en) | Drill cuttings process retracting device | |
| CN108203909B (en) | Asphalt stirring device | |
| CN114671152B (en) | Environment-friendly asphalt sealing storage tank | |
| KR102503270B1 (en) | Pyrolysis system of waste synthetic-highly polymerized compound | |
| RU2713596C1 (en) | Modular mobile process line for production of emulsion industrial explosives | |
| CN110500587B (en) | Hazardous waste liquid incineration pretreatment system and treatment method | |
| CN210345470U (en) | Hazardous waste pretreatment tank | |
| CN103706585B (en) | The clear and coherent method and apparatus of movable type for middle-size and small-size reactor and duct network | |
| CN220685020U (en) | Full-automatic supercritical carbon dioxide integrated extraction separation device | |
| CN113414214A (en) | Cleaning roller device | |
| CN206591081U (en) | A kind of tar oil treatment device | |
| KR101100407B1 (en) | dechlorination apparatus of PCBs in oil | |
| CN218516408U (en) | Concentrated nitric acid recovery unit | |
| US20150298083A1 (en) | Portable mixing platform for producing a heat-transfer fluid and method for producing same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |