CN209237948U - Rubber antioxidant DTPD reaction unit - Google Patents
Rubber antioxidant DTPD reaction unit Download PDFInfo
- Publication number
- CN209237948U CN209237948U CN201821794197.0U CN201821794197U CN209237948U CN 209237948 U CN209237948 U CN 209237948U CN 201821794197 U CN201821794197 U CN 201821794197U CN 209237948 U CN209237948 U CN 209237948U
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- China
- Prior art keywords
- reaction kettle
- kettle
- valve
- separator
- cooling water
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Abstract
The utility model relates to a kind of rubber antioxidant DTPD reaction units, including reaction kettle, motor is equipped with above the reaction kettle for the agitating shaft inside drive response kettle, mechanical seal is equipped with above the kettle mouth flange of reaction kettle, mechanical seal passes through pipeline and sealing flow container forming circuit, forming circuit is also sequentially communicated by channel and surge tank, condenser and water-separator above reaction kettle, the first valve is equipped between the reaction kettle and surge tank, it is equipped with the second valve between the surge tank and condenser, third valve is equipped between water-separator and reaction kettle.The utility model guarantees discharge of the reaction process without toluene, does not generate air pollution, and reacting kettle inner pressure is constantly in stable state, improves product quality.
Description
Technical field
The utility model belongs to technical field of rubber material, is related to a kind of rubber antioxidant DTPD reaction unit.
Background technique
In processing and use oxidative degradation often occurs for rubber material, to make the strength reduction of rubber material, outside
Sight changes, and physics, chemistry, mechanical performance are destroyed, and anti-aging agent adds people to be to prevent and delay rubber material oxidation drop
The most effective method of solution.Anti-aging agent 401ONA and 4020 is the widely used anti-aging agent of rubber circle at present, but both are anti-
The common drawback of old agent is: early stage, anti-ageing effect was good, and the later period is poor.Many positive active development DTPD of company external at present replace anti-old
Agent 4010NA has been widely used in bias tire and meridian tire at home, by the popular welcome of tire and rubber processing industry,
It has broad application prospects.The manufacture craft of existing rubber antioxidant DTPD includes charging, condensation, washing, distillation, is granulated
Process.
Existing condensation reaction can generate a large amount of waste water, and in addition the toluene in production link is not readily separated again, rear to volatilize
Into air, pollution environment influences environment.
Summary of the invention
In order to solve the above technical problems, the utility model provides rubber antioxidant DTPD reaction unit, it is environmentally friendly, and
It can be energy saving.
The embodiment of the utility model is:
A kind of rubber antioxidant DTPD reaction unit, including reaction kettle, the reaction kettle top are equipped with motor for driving
The kettle mouth flange top of agitating shaft inside reaction kettle, reaction kettle is equipped with mechanical seal, and mechanical seal passes through pipeline and sealing fluid
Tank forming circuit, reaction kettle top are also sequentially communicated forming circuit, institute by channel and surge tank, condenser and water-separator
It states and is equipped with the first valve between reaction kettle and surge tank, the second valve, moisture separation are equipped between the surge tank and condenser
Third valve is equipped between device and reaction kettle.
Preferably, the intubation that the third valve is connected to water-separator protrudes into inside water-separator, is intubated upper end
For elbow structure, the water-separator, which is located at below intubation upper end, to be equipped with inside and outside distributive pipe connection water-separator, and described point
Water pipe is equipped with shunt valve.
Preferably, double fastener nested structure is equipped in the mechanical seal is respectively sealing fluid interlayer and cooling water sandwich.It is described
The double fastener nested structure of sealing fluid interlayer and cooling water sandwich is successively arranged in mechanical seal from the inside to the outside.
It is further preferred that the sealing fluid interlayer is connected to by first pipe with sealing fluid pot bottom, sealing fluid folder
Layer by second pipe with sealing flow container top be connected to, cooling water sandwich by cooling water pipeline penetrate seal flow container inside with it is close
Cooling water inlet connection below sealing liquid tank.
It is further preferred that the cooling water sandwich is equipped with cooling water outlet.
It is further preferred that the cooling water inlet front end is equipped with filter.
Preferably, scraper plate and paddle are alternately equipped on the agitating shaft.
Preferably, the first filter screen, third filter screen, first filter screen aperture are successively arranged below the agitating shaft
Greater than third filter screen.
The utility model the utility model has the advantages that
1. the sealing fluid of the mechanical seal of the utility model, by the way of double jacket, cold and hot exchange is located immediately at machinery
In sealing structure, sealing fluid takes free convection to recycle, and pressure is kept constant, and sealing effect is good, runs smoothly.
2, using utility model device, sealing fluid consumption is reduced, maintains original liquid level substantially.
3, there is no sealing fluid residual in product rubber antioxidant DTPD.
4, reactor pressure fluctuation reduces, and runs smoothly.
5, it is alternately equipped with scraper plate and paddle on agitating shaft, guarantees that stirring sufficiently, not will cause deposition, together in distillation process
When anti-aging agent be deposited on reaction kettle kettle wall, prevent fouling, reduce the service life.
6, cooling water inlet front end is equipped with filter, prevents pipeline blockage, influences mechanical seal normal work.
7, discharge of the utility model without toluene, does not generate air pollution.
8, moisture point is passed through by the closing cooperation of the first valve of control, the second valve, third valve in reaction process
From the moisture generated in device discharge reaction and guarantee that reacting kettle inner pressure is constantly in stable state, guarantees the reaction in reaction kettle
Stablize, improves product quality.
Detailed description of the invention
Fig. 1 utility model device system schematic；
Fig. 2 water-separator
Fig. 3 mechanical seal cools down schematic diagram；
Wherein: motor 1, mechanical seal 2, sealing fluid interlayer 21, cooling water sandwich 22, first pipe 23, second pipe 24,
Cooling water pipeline 25, cooling water outlet 26, sealing flow container 3, cooling water inlet 31, agitating shaft 4, scraper plate 41, paddle 42, first
Filter screen 43, third filter screen 44, surge tank 5, condenser 6, water-separator 7, the first valve 8, the second valve 9, third valve
Door 10, intubation 11, distributive pipe 12, shunt valve 13, filter 14.
Specific embodiment
Further illustrate the utility model below with reference to embodiment, but the range of the requires of the utility model protection not office
It is limited to the range of embodiment statement.
Embodiment 1
Such as Fig. 1-3, a kind of rubber antioxidant DTPD reaction unit, including reaction kettle, the reaction kettle top are equipped with motor 1
For the agitating shaft 4 inside drive response kettle, it is equipped with mechanical seal 2 above the kettle mouth flange of reaction kettle, mechanical seal 2 passes through pipe
Road and sealing flow container 3 are formed into a loop, and also pass through channel and surge tank 5, condenser 6 and water-separator 7 successively above reaction kettle
Connection forming circuit, is equipped with the first valve 8, sets between the surge tank 5 and condenser 6 between the reaction kettle and surge tank 5
There is the second valve 9, third valve 10 is equipped between water-separator 7 and reaction kettle.
Preferably, the intubation 11 that the third valve 10 is connected to water-separator 7 protrudes into inside water-separator 7, inserts
11 upper end of pipe is elbow structure, and the water-separator 7 is located at below 11 upper ends of intubation and connects water-separator 7 equipped with distributive pipe 12
Inside and outside, the distributive pipe 12 is equipped with shunt valve 13.
Preferably, pair of sealing fluid interlayer 21 and cooling water sandwich 22 is successively arranged in the mechanical seal 2 from the inside to the outside
It is jacket structured.
It is further preferred that the sealing fluid interlayer 21 is connected to by first pipe 23 with sealing 3 bottom of flow container, seal
Liquid interlayer 21 is connected to by second pipe 24 with sealing 3 top of flow container, and cooling water sandwich 22 is penetrated close by cooling water pipeline 25
3 inside of sealing liquid tank is connected to the cooling water inlet 31 of 3 lower section of sealing flow container.
It is further preferred that the cooling water sandwich 22 is equipped with cooling water outlet 26.
It is further preferred that 31 front end of cooling water inlet is equipped with filter 14.
Preferably, scraper plate 41 and paddle 42 are alternately equipped on the agitating shaft 4.
Preferably, the first filter screen 43, third filter screen 44, first filtering are successively arranged below the agitating shaft 4
43 aperture of net is greater than third filter screen 44.
When the utility model is used: 14.8mol aniline and 14.8mol ortho-aminotoluene is added, 14.8mol is added to benzene two
Ferric trichloride is added in phenol, opens switch 7, restarts motor 1, and whether operating observes cooling water outlet temperature after reaching requirement
Excessively high, whether sealing leaks, not abnormal to enter reaction process；Heat temperature raising controls the pressure of kettle, pressure 0.8MPa, temperature
250 DEG C of degree passes through moisture by the closing cooperation of the first valve 8 of control, the second valve 9, third valve 10 in reaction process
Separator 7 is discharged the moisture generated in reaction and guarantees that reacting kettle inner pressure is constantly in stable state, reaction kettle after 12 hours
Interior anhydrous discharge, is added uses sodium carbonate catalyst neutralisation, filtering after reaction, and filtrate enters distillation still and distilled.Reaction
After, first motor 1 is closed, cooling water continues to circulate, and is stopping being passed through cooling water after mechanical seal cools down completely, prevent
Residual temperature in kettle causes to be lost to mechanical seal.
Preferred embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these are all
Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of rubber antioxidant DTPD reaction unit, including reaction kettle, it is characterised in that: be equipped with motor above the reaction kettle
(1) for the agitating shaft (4) inside drive response kettle, the kettle mouth flange top of reaction kettle is equipped with mechanical seal (2), mechanical seal
(2) by pipeline and sealing flow container (3) forming circuit, above reaction kettle also by channel and surge tank (5), condenser (6) and
Water-separator (7) is sequentially communicated forming circuit, is equipped with the first valve (8) between the reaction kettle and surge tank (5), described slow
It rushes between tank (5) and condenser (6) and is equipped with the second valve (9), third valve is equipped between water-separator (7) and reaction kettle
(10).
2. rubber antioxidant DTPD reaction unit according to claim 1, it is characterised in that: the third valve (10) with
The intubation (11) of water-separator (7) connection protrudes into water-separator (7) inside, and intubation (11) upper end is elbow structure, described
Water-separator (7) is equipped with inside and outside distributive pipe (12) connection water-separator (7) below intubation (11) upper end, described to divide water
It manages (12) and is equipped with shunt valve.
3. rubber antioxidant DTPD reaction unit according to claim 1, it is characterised in that: on the mechanical seal (2)
It is equipped with the double fastener nested structure of sealing fluid interlayer (21) and cooling water sandwich (22) from the inside to the outside.
4. rubber antioxidant DTPD reaction unit according to claim 3, it is characterised in that: the sealing fluid interlayer (21)
It is connected to by first pipe (23) with sealing flow container (3) bottom, sealing fluid interlayer (21) passes through second pipe (24) and sealing fluid
The connection of tank (3) top, cooling water sandwich (22) penetrate sealing flow container (3) inside and sealing flow container by cooling water pipeline (25)
(3) cooling water inlet (31) connection below.
5. rubber antioxidant DTPD reaction unit according to claim 3, it is characterised in that: the cooling water sandwich (22)
Equipped with cooling water outlet (26).
6. rubber antioxidant DTPD reaction unit according to claim 4, it is characterised in that: the cooling water inlet (31)
Front end is equipped with filter (14).
7. rubber antioxidant DTPD reaction unit according to claim 1, it is characterised in that: the agitating shaft (4) is submitted
For equipped with scraper plate (41) and paddle (42).
8. rubber antioxidant DTPD reaction unit according to claim 1, it is characterised in that: below the agitating shaft (4)
It is successively arranged the first filter screen (43), third filter screen (44), the first filter screen (43) aperture is greater than third filter screen
(44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821794197.0U CN209237948U (en) | 2018-11-01 | 2018-11-01 | Rubber antioxidant DTPD reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821794197.0U CN209237948U (en) | 2018-11-01 | 2018-11-01 | Rubber antioxidant DTPD reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209237948U true CN209237948U (en) | 2019-08-13 |
Family
ID=67526754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821794197.0U Expired - Fee Related CN209237948U (en) | 2018-11-01 | 2018-11-01 | Rubber antioxidant DTPD reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209237948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318230A (en) * | 2022-08-31 | 2022-11-11 | 扬州市业昌助剂有限公司 | Rubber antioxidant production reaction kettle |
-
2018
- 2018-11-01 CN CN201821794197.0U patent/CN209237948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318230A (en) * | 2022-08-31 | 2022-11-11 | 扬州市业昌助剂有限公司 | Rubber antioxidant production reaction kettle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 Termination date: 20201101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |