CN106281457A - Chlorinated paraffin production line - Google Patents
Chlorinated paraffin production line Download PDFInfo
- Publication number
- CN106281457A CN106281457A CN201610628840.1A CN201610628840A CN106281457A CN 106281457 A CN106281457 A CN 106281457A CN 201610628840 A CN201610628840 A CN 201610628840A CN 106281457 A CN106281457 A CN 106281457A
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- China
- Prior art keywords
- reactor
- chlorine
- tail gas
- chlorinated paraffin
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/38—Chemical modification of petroleum
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of chlorinated paraffin tinuous production, including reactor group, this reactor group includes that the first reactor is to the 6th reactor, each reactor is fitted with uviol lamp, paraffin oil enters from entering first reactor continuous print, chlorine respectively enters the chlorine inlet of each reactor from chlorine supply main, and reacted in the reactor that the product obtained enters into next stage by upper level, and the tail gas obtained in the 6th reactor carries out general collection and enters engine manifold, it is passed through engine manifold system and produces side-product, utilized by the secondary of tail gas, chlorine present in tail gas is fully made to be reacted, provide the utilization rate of chlorine, reach the effect of energy-saving and emission-reduction, exhaust gas component is single, facilitate the recycling of tail gas.
Description
Technical field
The present invention relates to a kind of chlorinated paraffin production line, in particular, relate to a kind of chlorine that can efficiently utilize chlorine
Fossil waxes production line.
Background technology
Chlorinated paraffin has that volatility is low, fire-retardant, electrical insulating property is good and many excellent physicochemical properties such as resistance to chemical attack,
Can be used as fire retardant polrvinyl chloride secondary plasticizer(-iser) etc., be widely used in produce plastics, cable, plate, flexible pipe, artificial leather and
Rubbers etc. are it can also be used to the additive of paint, coating and lubricating oil etc..Due to important in commercial Application of chlorinated paraffin
Property, the therefore optimization of its production method, arouse widespread concern.
At present, the mode of production of chlorinated paraffin mainly has thermal chlorination and photocatalytic method.
The thermal chlorination response time is long, and the response time such as chlorinated paraffin-52 is typically for up to about 60h, causes production efficiency
The phenomenon such as low, energy consumption is high and chlorine utilization is low highlights.
Photocatalytic method is to promote chlorine molecule covalent bond fission to be dissociated into chlorine radical with the ultraviolet light of about 340nm, activation
The chlorine radical of state bombards paraffin molecule continuously and forms C-Cl key, accelerates reaction rate, generates the response time of paraffin-52
It is down to 24-36h (and 24-38h.But, the theoretical and practical production experience according to bimodulus, the course of reaction of chlorinated paraffin is homogeneous
Reaction, chlorine is first dissolved in paraffin the most just chemical reaction, and chlorine dissolution velocity in paraffin is less than response speed,
The most whole reaction is mass transport limitation step
In three of the above mode, it is the most extensive that the mode of the third employing light chlorination process is applied, in order to use continuously
Property and producing on a large scale, can use multiple reactor in prior art is used in series, such as Patent No. 200610025410.7
In the Chinese patent of entitled " method of continuous prodution chlorinated paraffin ", just used this mode, then regardless of
In the method for the consecutive production chlorinated paraffin of mode, each reactor all can produce tail gas, and tail gas is chlorine and chlorination
Hydrogen, in existing method, is directly to be collected by the tail gas produced in each reactor, enters in exhaust treatment system,
This mode, becomes huge by the supply making chlorine, the most well utilizes for chlorine present in tail gas, increases
Add production cost.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of chlorinated paraffin efficiently utilizing chlorine
Production line, it is possible to make the utilization rate of the chlorine in the tail gas in each reactor obtain maximized secondary and utilize.
For achieving the above object, the technical scheme is that
A kind of chlorinated paraffin production line efficiently utilizing chlorine, including reactor group, this reactor group includes the first reaction
Still, to the 6th reactor, is fitted with uviol lamp in each reactor, and each reactor is equipped with material cooling system, and this is cold
But system includes out cooling down circulating line from the bottom of each reactor, responds product in this cooling circulating line, should
Product enters the entrance of cooler, is cooled to 83-88 degree, then respective instead from top entrance by the effect of circulating pump
Answer still；Reaction temperature controls to be 95-100 degree, and reaction pressure is 0.02-0.03Mpa；
Each reactor is equipped with respective pressure detecting and controls flow-route and temperature detection control technique, pressure detecting control
Technique processed；
Manual detection densimeter and electronic long-distance transmission densimeter are installed on the 4th reactor and the 6th reactor；
Described 6th reactor is the refined of chlorinated paraffin, by the duration of runs of switching value Valve controlling batch turning pump, and
And start blowing still blowout hydrogen chloride feeding exhaust treatment system, release chlorinated paraffin finished product from the bottom of the 6th reactor, send
Enter chlorinated paraffin medial launder；
6th reactor tail gas out is sequentially sent to hydrogen chloride absorption tower, two-stage spray column, tail by exhaust treatment system
Gas absorption tower and Alkali absorption tower, finally give byproduct hydrochloric acid.
Utilizing the production technology of the chlorinated paraffin production line efficiently utilizing chlorine, this production technology includes: paraffin oil passes through
Paraffin oil entrance continuous print enters the first reactor, and the chlorine that chlorine respectively enters each reactor from chlorine supply main enters
In Kou, paraffin oil in the first reactor and chlorine, under the catalysis of ultraviolet light, carry out chlorination, and are reacted by upper level
To chlorination oil and paraffin oil mixture enter in the reactor of next stage, successive reaction, it is anti-that the 6th reactor obtains
Answer product to enter in chlorinated paraffin medial launder to collect；The hydrogen chloride that reaction produces and the middle chlorine being mingled with are from the reaction of previous stage
The offgas outlet at the top of still enters in next stage reactor, and the tail gas that the 6th last reactor obtains is carried out totally
Collect and enter engine manifold, be passed through exhaust treatment system and generate side-product；The chlorine inlet of the first reactor to the 3rd reactor
A diameter of 4th reactor of pipeline is to the twice of the diameter of the chlorine inlet pipeline of the 6th reactor, corresponding chlorine supply
4th reactor is to the half that the 6th reactor is the first reactor to the 3rd reactor.
By using technique scheme, traditional batch production method change continuous production method into；At each
Reactor is installed uviol lamp, excites chlorine molecule so that it is be dissociated into chlorine radical so that it carries out sufficient chlorine with paraffin oil
Generation reaction；Maximum changes into, and different from the past is passed directly to exhaust collection house steward's by the tail gas in each reactor
Mode, does not react sufficient chlorine owing to the tail gas in each reactor can exist, thus this collection tail gas
Mode the utilization rate of chlorine is reduced, increase raw-material consumption, here, the tail produced by the reactor of upper level
Gas is passed in next stage reactor, is entered into by the chlorine of remaining before in the reactor of next stage and carries out secondary response,
While increasing the utilization rate of chlorine, decrease again the supply of original chlorine, reached the effect of energy-saving and emission-reduction；And from
Four reactors start, the half of a diameter of above diameter of the chlorine inlet pipeline of three reactors of chlorine inlet pipeline, from
And significantly controlling trying one's best of chlorine, the another one effect for amount minimizing at chlorine is convenient control chlorination stone
The reaction of wax so that the generation concentration of the chlorinated paraffin in the most several reactors is more prone to control, by multiple reactors
Gradual reaction generates the mode of chlorinated paraffin so that from last reactor, the i.e. the 6th reactor chlorinated paraffin out
Concentration controlling is greatly enhanced, and owing to the chlorine input of the 6th reactor is few, the internal chlorine reaction of reactor is more abundant, and from
In the tail gas that 6th reactor is discharged, it is practically free of chlorine, the almost hydrogen chloride gas of discharge, by the utilization rate of chlorine almost
Reach the efficiency of 100%, while improving the utilization rate of chlorine, decrease again the supply of total chlorine, it is achieved that energy-conservation
The effect of environmental protection, and the composition of tail gas is more single, thus it is more prone to the recycling of tail gas, for energy-saving and emission-reduction with efficient
Reclaim and be made that the breakthrough that matter is general.
In each reactor, it is provided with material cooling system, and controls technique by the pressure detecting of relative set
Control technique with temperature detection, facilitate operator to the observation of each reactor inner case and control, for final finished product
Quality provides and ensures；By Density Detection technique, owing to the chlorine feed in first three reactor is big, reaction acutely, is difficult to
In the density of the internal chlorinated paraffin of detection, the 4th reactor carries out the most preliminary chlorinated paraffin detection, from record
Data regulate and control the charging situation of paraffin oil and chlorine, then carry out secondary accurate detection to the 6th last reactor, protect
Demonstrate,prove the finished product concentration of final chlorinated paraffin, it is ensured that product quality.
Compared with prior art, it is an advantage of the current invention that:
1, the recycling mode of tail gas is changed so that the chlorine in tail gas is fully used, so that total chlorine
It is so incensed that the utilization rate of almost 100%.
2, being capable of the continuous reaction process of chlorinated paraffin, the chlorination reaction time shortens, can be by the 25-28 of traditional handicraft
Hour, shorten to 20-23 hour.
3, the steady quality of product, energy-saving and emission-reduction.
4, the composition of tail gas is single, it is simple to vent gas treatment, reduces and pollutes.
Accompanying drawing explanation
Fig. 1 is the process chart of chlorinated paraffin continuous production processes embodiment of the present invention
In figure, 11, pressure transmitter；12, temperature transmitter；2, circulating pump；3, cooler.
Detailed description of the invention
1 pair of a kind of chlorinated paraffin production line embodiment efficiently utilizing chlorine of the present invention is described further referring to the drawings.
The present embodiment includes reactor group, and this reactor group includes the first reactor to the 6th reactor, each reactor
In be fitted with uviol lamp, each reactor is equipped with material cooling system, and this cooling system includes from each reactor
Bottom out cool down circulating line, respond product in this cooling circulating line, this product enter cooler entrance,
It is cooled to 83-88 degree, then by the effect of circulating pump from the respective reactor of top entrance；Reaction temperature controls as 95-100
Degree, reaction pressure is 0.02-0.03Mpa；
Each reactor is equipped with respective pressure detecting and controls flow-route and temperature detection control technique, each including being located at
Pressure transmitter 11 on individual reactor and chlorine regulation valve, it is ensured that the pressure of each reactor is 0.02-0.03Mp
Manual detection densimeter and electronic long-distance transmission densimeter are installed on the 4th reactor and the 6th reactor, are examined by density
Surveying technique, owing to the chlorine feed in first three reactor is big, reaction acutely, is not easy to detect the close of internal chlorinated paraffin
Degree, carries out the most preliminary chlorinated paraffin detection, from the data recorded to regulate and control paraffin oil and chlorine in the 4th reactor
Charging situation, then carry out secondary accurate detection to the 6th last reactor, it is ensured that the finished product of final chlorinated paraffin
Concentration, it is ensured that product quality.
6th reactor is the refined of chlorinated paraffin, by the duration of runs of switching value Valve controlling batch turning pump, and opens
Dynamic blowing still blowout hydrogen chloride sends into exhaust treatment system, releases chlorinated paraffin finished product from the bottom of the 6th reactor, sends into chlorine
Fossil waxes medial launder；
6th reactor tail gas out is sequentially sent to hydrogen chloride absorption tower, two-stage spray column, tail by exhaust treatment system
Gas absorption tower and Alkali absorption tower, finally give byproduct hydrochloric acid.；
Utilizing the production technology of the chlorinated paraffin of high above production line, this production technology includes: paraffin oil passes through paraffin oil
Entrance continuous print enters the first reactor, and chlorine respectively enters the chlorine inlet of each reactor from chlorine supply main,
Paraffin oil in first reactor and chlorine, under the catalysis of ultraviolet light, carry out chlorination, and obtained by upper level reaction
Chlorination oil and paraffin oil mixture enter in the reactor of next stage, successive reaction, and the reaction that the 6th reactor obtains is produced
Thing enters in chlorinated paraffin medial launder and collects；The hydrogen chloride that reaction produces and the middle chlorine being mingled with are from the reactor of previous stage
The offgas outlet at top enters in next stage reactor, and the tail gas that the 6th last reactor obtains carries out general collection
Enter engine manifold, be passed through exhaust treatment system and generate side-product；The chlorine inlet pipeline of the first reactor to the 3rd reactor
A diameter of 4th reactor to the twice of the diameter of the chlorine inlet pipeline of the 6th reactor, the supply flow control four of corresponding chlorine
Reactor is to the half that the 6th reactor is the first reactor to the 3rd reactor.
According to said structure and accompanying drawing, when driving, first open wax feeds pipe, the liquid level of the first reactor is added to one
After Ban, it is passed through chlorine and reacts, when reaction temperature reaches 83 degree, the product of the first reactor is passed through cooling circulation
System so that the temperature of the material entering cooler 3 controls at 83-88 degree, and the temperature in the first reactor controls at 95-
100 degree, additionally simultaneously, reaction mass is inputted in the second reactor, the paraffin oil in reactant by continuation with to be passed through second anti-
Answering the chlorine in still to react, simultaneously from the first reactor, tail gas out also can enter the second reactor, wherein exists
Chlorine also will proceed reaction, hydrogen chloride then goes successively to enter into the 3rd reactor by the way of tail gas, successively
Analogize and carry out successive reaction, it is known that, react boring in the concentration of chlorinated paraffin will be gradually increased, and the paraffin oil that the inside exists
Ratio then gradually reduce；Until, entering into the 4th reactor, its chlorine inlet pipeline is half above, thus the 4th
In reactor, the violent purity of reaction is decreased obviously, and reaction is more prone to be controlled, and holds with the reaction pattern of this gentleness
Continuing and proceed to the 6th reactor, during this, the chlorine in tail gas can fully be reacted, and accomplishes almost nil waste；
The temperature and pressure of detection reactor, the alarm when over-temp and over-pressure, first the chlorine of this reactor is regulated valve and close,
When the most two or more generation overtemperature simultaneously in set of device, cut off chlorine supply main valve；By being automatically adjusted recirculated water
Flow and the feed rate of chlorine, it is possible to reasonably control supply and the saving of the energy of raw material, reach the effect of energy-conservation material-saving
Really.
Finally collect for chlorinated paraffin finished product and the collection of tail gas processes, from the 6th reactor tail gas almost all out
For hydrogen chloride gas, by the duration of runs of switching value Valve controlling batch turning pump, and start blowing still blowout hydrogen chloride feeding
Exhaust treatment system,.Concentration absorption by Hydrochloric Acid hydrogen chloride in the employing of absorption tower.The chlorine of unabsorbed trace, hydrochloric acid tail gas depend on
Secondary entrance two-stage spray column, tail gas absorber, use low concentration acid and water to absorb, and final tail gas enters after Alkali absorption tower absorbs and puts
Empty.Alkali absorption device obtains selling outside the solution barrelling containing 10% sodium hypochlorite after absorbing tail gas.Water is through absorbing hydrogen chloride step by step, salt
Acid concentration gradually rises, and finally gives the hydrochloric acid that concentration is 30%, puts into hydrochloric acid tank and stores, sells.Degassing still is advertised
After the waste gas containing a small amount of hydrogen chloride out enters tail gas absorber absorption, final tail gas enters after Alkali absorption tower absorbs and is vented；
Release chlorinated paraffin finished product from the bottom of the 6th reactor, send into chlorinated paraffin medial launder.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (2)
1. a chlorinated paraffin production line, including reactor group, this reactor group include the first reactor to the 6th reactor, often
Being fitted with uviol lamp in individual reactor, each reactor is equipped with material cooling system, and this cooling system includes from each
The bottom of individual reactor out cools down circulating line, responds product in this cooling circulating line, and this product enters cooling
The entrance of device, is cooled to 83-88 degree, then by the effect of circulating pump from the respective reactor of top entrance；Reaction temperature control
Being made as 95-100 degree, reaction pressure is 0.02-0.03Mpa；
Each reactor is equipped with respective pressure detecting and controls flow-route and temperature detection control technique, and pressure detecting controls work
Skill；
Manual detection densimeter and electronic long-distance transmission densimeter are installed on the 4th reactor and the 6th reactor；
Described 6th reactor is the refined of chlorinated paraffin, by the duration of runs of switching value Valve controlling batch turning pump, and opens
Dynamic blowing still blowout hydrogen chloride sends into exhaust treatment system, releases chlorinated paraffin finished product from the bottom of the 6th reactor, sends into chlorine
Fossil waxes medial launder；
6th reactor tail gas out is sequentially sent to hydrogen chloride absorption tower by exhaust treatment system, two-stage spray column, tail gas are inhaled
Receive tower and Alkali absorption tower, finally give byproduct hydrochloric acid.
2. utilize the production technology of chlorinated paraffin production line described in claim 1, comprising: paraffin oil is by paraffin oil entrance even
Continuous entrance the first reactor, chlorine respectively enters the chlorine inlet of each reactor from chlorine supply main, and first is anti-
Answer the paraffin oil in still and chlorine under the catalysis of ultraviolet light, carry out chlorination, and reacted the chlorination stone obtained by upper level
Oil and paraffin oil mixture enter in the reactor of next stage, successive reaction, and the product that the 6th reactor obtains enters
Chlorinated paraffin medial launder is collected；The hydrogen chloride that reaction produces and the middle chlorine being mingled with are from the top of the reactor of previous stage
Offgas outlet enters in next stage reactor, and the tail gas that the 6th last reactor obtains carries out general collection entrance tail
Gas house steward, is passed through exhaust treatment system and generates side-product；First reactor is to the diameter of the chlorine inlet pipeline of the 3rd reactor
It is the 4th reactor to the twice of the diameter of the chlorine inlet pipeline of the 6th reactor, corresponding chlorine supply flow control four reactor
To the half that the 6th reactor is the first reactor to the 3rd reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628840.1A CN106281457A (en) | 2016-08-03 | 2016-08-03 | Chlorinated paraffin production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628840.1A CN106281457A (en) | 2016-08-03 | 2016-08-03 | Chlorinated paraffin production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106281457A true CN106281457A (en) | 2017-01-04 |
Family
ID=57664682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610628840.1A Pending CN106281457A (en) | 2016-08-03 | 2016-08-03 | Chlorinated paraffin production line |
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| CN (1) | CN106281457A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251157A (en) * | 2018-02-12 | 2018-07-06 | 丹阳市助剂化工厂有限公司 | Chlorinated paraffin continuous producing apparatus |
| CN108360015A (en) * | 2018-04-19 | 2018-08-03 | 茌平信发华兴化工有限公司 | The production of caustic soda line of coproduction chlorinated paraffin and synthesis ammonia |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1824737A (en) * | 2006-04-03 | 2006-08-30 | 上海氯碱化工股份有限公司 | Continuous production method of chlorinated paraffin |
| CN1827748A (en) * | 2006-04-03 | 2006-09-06 | 上海氯碱化工股份有限公司 | Continuous chloroparaffin production apparatus |
| CN105112100A (en) * | 2015-08-31 | 2015-12-02 | 宁波镇洋化工发展有限公司 | Continuous production technique of chlorinated paraffin |
-
2016
- 2016-08-03 CN CN201610628840.1A patent/CN106281457A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1824737A (en) * | 2006-04-03 | 2006-08-30 | 上海氯碱化工股份有限公司 | Continuous production method of chlorinated paraffin |
| CN1827748A (en) * | 2006-04-03 | 2006-09-06 | 上海氯碱化工股份有限公司 | Continuous chloroparaffin production apparatus |
| CN105112100A (en) * | 2015-08-31 | 2015-12-02 | 宁波镇洋化工发展有限公司 | Continuous production technique of chlorinated paraffin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251157A (en) * | 2018-02-12 | 2018-07-06 | 丹阳市助剂化工厂有限公司 | Chlorinated paraffin continuous producing apparatus |
| CN108360015A (en) * | 2018-04-19 | 2018-08-03 | 茌平信发华兴化工有限公司 | The production of caustic soda line of coproduction chlorinated paraffin and synthesis ammonia |
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