CN113244857B - Feeding device for p-toluidine production - Google Patents
Feeding device for p-toluidine production Download PDFInfo
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- CN113244857B CN113244857B CN202110798622.3A CN202110798622A CN113244857B CN 113244857 B CN113244857 B CN 113244857B CN 202110798622 A CN202110798622 A CN 202110798622A CN 113244857 B CN113244857 B CN 113244857B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses a feeding device for p-toluidine production, which comprises an adjusting feeding component, a feeding control component and a cleaning purging component, wherein the feeding control component is arranged on one side of the adjusting component, and the cleaning purging component is arranged in the feeding control component.
Description
Technical Field
The invention relates to the technical field of chemical production, in particular to a feeding device for p-toluidine production.
Background
In the existing chemical production technology, the mode of manual feeding is mostly adopted, reaction materials are fed into a reaction kettle, a large manufacturer can layer the production plant in the production plant through a building mode or a steel frame building mode, the equipment floor area can be saved, the improvement of production efficiency is facilitated, a storage kettle is arranged on a storage layer at a high position in the plant, a reaction kettle is arranged on a production layer at a low position, the materials in the storage kettle can be downwards and efficiently conveyed to the reaction kettle through a pipe fitting under the assistance of manual work, no matter the mode, the feeding operation of the reaction kettle needs to be manually contacted with the chemical materials in a short distance, the health is damaged, the chemical manufacturer needs to produce different products to meet market demands, and after the reaction kettle performs the production reaction of one product, the reaction kettle and a feeding pipe need to be thoroughly cleaned of residues, in order to avoid the material to pollute each other, different materials need specific feeder tube, after finishing production, the feeder tube that dismantles mixes together and easily takes place to obscure, and easily the material of oxidation in the air, in the production procedure of p-toluidine, the iron powder is easily oxidized, if leave a large amount of iron powder in the pipe fitting of having carried the iron powder, after not using for a long time oxidation, can cause the influence to product quality when using next time, the confusion of each other between the feeder tube also can cause the influence to production product quality, need concentrate the washing to the feeder tube, convenient next time is used, when changing the production product, the feed switching work of material needs operating personnel closely to operate, hard and harm is healthy, so people need one kind to solve the problem that exists among the prior art to toluidine production feeder device.
Disclosure of Invention
The invention aims to provide a feeding device for producing p-toluidine, which solves the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the feeding device for p-toluidine production comprises a material storage layer and a production layer, wherein the production layer is positioned below the material storage layer, the material storage layer is provided with a material storage kettle, the production layer is provided with a reaction kettle, the material storage kettle feeds materials to the reaction kettle below the material storage kettle, the reaction kettle performs material reaction, and the device comprises a material adjusting and feeding assembly, a material feeding control assembly, a cleaning and purging assembly and a gas path control assembly, the material adjusting and feeding assembly comprises a suspension fixing plate, a sliding plate, a T-shaped cross section sliding chute and a T-shaped cross section sliding block, the bottom end of the material storage layer is fixedly connected with the suspension fixing plate, one side of the suspension fixing plate is fixedly provided with the sliding plate, the side wall of the sliding plate, far away from the suspension fixing plate, is provided with the T-shaped cross section sliding chute, the T-shaped cross section sliding chute is slidably provided with the T-shaped cross section sliding block, the material feeding control assembly comprises a material feeding main pipe and a first electromagnetic valve, the side, close to the opening of the T-shaped cross section sliding block, is fixedly provided with a material feeding main pipe, the utility model discloses a feed house steward top is sealed, the fixed intercommunication in feed house steward top has a plurality of feed to link up the pipe, install first solenoid valve on the feed links up the pipe, be provided with the cleanness on the feed house steward lateral wall and sweep the subassembly, the cleanness is swept the subassembly and is played and avoid feed control subassembly after production, takes place the remaining phenomenon of material, be provided with gas circuit control assembly on the feed house steward lateral wall, gas circuit control assembly can carry out stubborn stain washing to feed control assembly, avoids residual material to lead to the fact the influence to the different production products in lower stage.
Adjust feed subassembly still includes dorsal part linking spout, links up slider, drive slider, cylinder, the dorsal part links up the spout on the lateral wall of T word cross-section spout one side is kept away from to the sliding plate, dorsal part links up spout and T word cross-section spout intercommunication each other, T word cross-section slider is close to dorsal part and links up spout one end fixed mounting and has linking up the slider, linking up the slider and keeping away from T word cross-section slider one end fixed mounting and having drive slider, hang fixed plate bottom surface fixed mounting and have the cylinder, the piston rod and the drive slider top fixed connection of cylinder.
The cleaning and blowing component comprises an oblique gas groove, a gas supply pipe, a concentrated gas supply pipe, a heating box and an inflator pump, wherein the oblique gas groove is formed in the side wall of the feeding main pipe in a penetrating manner, two groups of oblique gas grooves are longitudinally formed in the oblique gas groove, the distance between the two groups of oblique gas grooves is equal to the inner diameter of the feeding main pipe, the inner side wall of the feeding main pipe is in the reference direction towards the outer side wall of the feeding main pipe, one group of oblique gas grooves inclines towards the oblique upper direction, the other group of oblique gas grooves inclines towards the oblique lower direction, the included angle between the axis of the oblique gas groove inclining towards the oblique upper direction and the horizontal plane is 30 degrees, the included angle between the axis of the oblique gas groove inclining towards the oblique lower direction and the horizontal plane is 20 degrees, the gas supply pipe is fixedly installed in the oblique gas groove, the concentrated gas supply pipe is fixedly communicated with one end of the gas supply pipe far away from the interior of the oblique gas grooves, the heating box is installed on the outer side wall of the feeding main pipe, the electric heating box is installed in the heating box, the concentrated gas supply pipe is communicated with the interior through a pipe fitting, an inflator pump is installed on the outer side wall of the feeding main pipe, and an air outlet of the inflator pump is communicated with the interior of the heating box through a pipe fitting.
The gas circuit control assembly comprises an upper isolation valve, a lower isolation valve, a vent pipe and a second electromagnetic valve, the feed header pipe is close to one end of the feed linking pipe and is provided with the upper isolation valve, the feed header pipe is far away from one end of the feed linking pipe and is provided with the lower isolation valve, the outer side wall of the feed header pipe is close to one end of the upper isolation valve and is provided with the vent pipe, and the vent pipe is communicated with the interior of the feed header pipe.
The breather pipe is provided with a second electromagnetic valve which plays a role in controlling the airtight effect of the inner space of the feeding main pipe.
And one side of the heating box, which is close to the side wall of the feeding main pipe, is attached with heat insulation cotton.
Give trachea and be close to the inside rubber valve clack that is provided with of feed house steward inside wall one end, can avoid the interior material of feed house steward to get into for in the trachea.
The sliding plate is made of light steel, so that the sliding plate is not easy to deform, and smooth sliding between the T-shaped section sliding block and the T-shaped section sliding groove is maintained.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, an operator controls the air cylinder to sequentially drive the driving slide block, the connecting slide block, the T-shaped section slide block and the feeding main pipe to slide up and down by using the control system, so that the feeding main pipe can be positioned at different heights above a feeding hole of a reaction kettle, frequent feeding operation is facilitated, the bottom end of the feeding main pipe is controlled to be close to the feeding hole of the reaction kettle during feeding, the feeding main pipe is lifted when the reaction kettle is maintained or other operations are carried out, and the influence of the feeding main pipe on an operation space can be avoided;
in the production switching operation of different products, different reaction materials corresponding to the products to be produced only need to be switched and controlled by the first electromagnetic valve to enter the feeding main pipe, and the materials do not need to be approached by people in a short distance, so that the operation is rapid, and the maintenance of the health of operators is facilitated;
the inner wall of the feeding main pipe is subjected to high-pressure blowing by the air supply pipe, and the viscosity between the material and the interior of the feeding main pipe is reduced at high temperature, so that the residual material is easy to fall off, and the effect in winter is more obvious;
in addition, the invention utilizes two groups of inclined air grooves with different directions to form vortex inside the feeding main pipe, thereby realizing no dead angle cleaning of the inner side wall of the feeding main pipe, avoiding water resource pollution and waste and simultaneously reducing the pollution rate of new product production;
when materials which are difficult to clean are remained in the feeding main pipe due to material properties or under the condition of long-term non-cleaning, the feeding connecting pipe can be connected with an external water pipe, the lower isolation valve is closed, the second electromagnetic valve is opened, water is supplied into the feeding main pipe through the feeding connecting pipe, the upper isolation valve is closed after the water in the feeding main pipe is filled, at the moment, the feeding main pipe can only be communicated with the outside through the vent pipe, then the inflator pump and the heating wires in the heating box are opened, high-temperature air sweeps the water in the feeding main pipe through the air supply pipe, further, the water forms vortex along with wind power, the side wall of the feeding main pipe is rubbed and soaked, the remained materials are quickly stirred into the water, because a group of air supply pipes capable of sweeping air obliquely upwards are positioned in the oblique air grooves, the oblique air grooves have small inclination angles, the phenomenon that the air sweeps the water too high and causes a large amount of water to flow out of the vent pipe can be avoided, and after the cleaning is finished, the lower isolation valve is opened to discharge sewage, so that pollution-free production of products at the next stage can be performed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front view showing the overall structure of a feeding apparatus for producing p-toluidine according to the present invention;
FIG. 2 is a schematic side view showing the overall structure of a feeding apparatus for producing p-toluidine according to the present invention;
FIG. 3 is an enlarged structural view of the feed header pipe region of a feeding apparatus for p-toluidine production according to the present invention;
FIG. 4 is a schematic view of the structure of the inclined gas tank of the feeding device for producing p-toluidine according to the present invention;
FIG. 5 is a schematic view of a three-dimensional structure of the inclined gas tank of the feeding device for producing p-toluidine according to the present invention;
in the figure: 101. suspending the fixed plate; 102. a sliding plate; 103. a T-shaped section chute; 104. a T-shaped section sliding block; 105. the back side is connected with the sliding chute; 106. connecting the sliding blocks; 107. driving the slide block; 108. a cylinder; 201. a feed header; 202. a feed connection pipe; 203. a first solenoid valve; 301. an oblique gas tank; 302. a gas supply pipe; 303. centralized air supply pipe; 304. a heating cartridge; 305. an inflator pump; 306. heat insulation cotton; 401. an upper isolation valve; 402. a lower isolation valve; 403. a breather pipe; 404. a second solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions:
a feeding device for paratoluidine production comprises a material storage layer and a production layer, wherein the production layer is positioned below the material storage layer, the material storage layer is provided with a material storage kettle, the production layer is provided with a reaction kettle, the material storage kettle feeds materials to the reaction kettle below the material storage kettle, the reaction kettle performs material reaction and comprises a material adjusting and feeding component, a material feeding control component, a cleaning and purging component and a gas path control component, the material adjusting and feeding component comprises a suspension fixing plate 101, a sliding plate 102, a T-shaped cross section sliding groove 103 and a T-shaped cross section sliding block 104, the bottom end of the material storage layer is fixedly connected with the suspension fixing plate 101, the sliding plate 102 is fixedly arranged on one side of the suspension fixing plate 101, the T-shaped cross section sliding groove 103 is arranged on the side wall of the sliding plate 102 far away from the suspension fixing plate 101, the T-shaped cross section sliding groove 103 is internally provided with the T-shaped cross section sliding block 104 in a sliding mode, the material feeding control component comprises a material feeding main pipe 201, a material connecting pipe 202 and a first electromagnetic valve 203, the material feeding main pipe 201 is fixedly arranged on one side of the T-shaped cross section sliding block 104 close to the opening of the T-shaped cross section sliding groove 103, the top end of the feeding header pipe 201 is sealed, the top end of the feeding header pipe 201 is fixedly communicated with a plurality of feeding linking pipes 202, a first electromagnetic valve 203 is installed on each feeding linking pipe 202, a cleaning purging component is arranged on the side wall of the feeding header pipe 201, the cleaning purging component is used for avoiding the situation that the feeding control component is produced and the material is remained, an air circuit control component is arranged on the side wall of the feeding header pipe 201, the air circuit control component can clean the feeding control component for stubborn stains, and the situation that the residual material affects the different production products in the next stage is avoided.
Adjust feed subassembly still includes dorsal part linking spout 105, link up slider 106, drive slider 107, cylinder 108, dorsal part linking spout 105 has been seted up on the sliding plate 102 keeps away from T word cross-section spout 103 one side lateral wall, dorsal part linking spout 105 and T word cross-section spout 103 communicate each other, T word cross-section slider 104 links up spout 105 one end fixed mounting near the dorsal part and links up slider 106, link up slider 106 and keep away from T word cross-section slider 104 one end fixed mounting and have drive slider 107, hang fixed plate 101 bottom surface fixed mounting and have cylinder 108, the piston rod and the drive slider 107 top fixed connection of cylinder 108.
The cleaning and blowing component comprises an oblique gas groove 301, a gas supply pipe 302, a concentrated gas supply pipe 303, a heating box 304 and an inflating pump 305, wherein the oblique gas groove 301 is formed in the side wall of a feeding header pipe 201 in a penetrating manner, two groups of oblique gas grooves 301 are longitudinally formed, the distance between the two groups of oblique gas grooves 301 is equal to the inner diameter of the feeding header pipe 201, the reference direction is from the inner side wall of the feeding header pipe 201 to the outer side wall of the feeding header pipe 201, one group of oblique gas grooves 301 incline towards the oblique upper direction, the other group of oblique gas grooves 301 incline towards the oblique lower direction, the included angle between the axial line of the oblique gas groove 301 inclining towards the oblique upper direction and the horizontal plane is 30 degrees, the axial line of the oblique gas groove 301 inclining towards the oblique lower direction and the horizontal plane is 20 degrees, the gas supply pipe 302 is fixedly installed in the oblique gas groove 301, the end, far away from the interior of the oblique gas groove 301, of the gas supply pipe 302 is fixedly communicated with the concentrated gas supply pipe 303, the heating box 304 is installed on the outer side wall of the feeding header pipe 201, and the electric heating wire is installed in the heating box 304, the heating box 304 is communicated with the interior of the centralized gas supply pipe 303 through a pipe fitting, the outer side wall of the feeding main pipe 201 is provided with an inflator 305, and the gas outlet of the inflator 305 is communicated with the interior of the heating box 304 through a pipe fitting.
The air path control assembly comprises an upper isolation valve 401, a lower isolation valve 402, a vent pipe 403 and a second electromagnetic valve 404, wherein the upper isolation valve 401 is installed at one end, close to the feeding connection pipe 202, of the feeding main pipe 201, the lower isolation valve 402 is installed at one end, far away from the feeding connection pipe 202, of the feeding main pipe 201, the vent pipe 403 is installed at one end, close to the upper isolation valve 401, of the outer side wall of the feeding main pipe 201, and the vent pipe 403 is communicated with the interior of the feeding main pipe 201.
The vent pipe 403 is provided with a second solenoid valve 404, which plays a role in controlling the sealing effect of the internal space of the feeding main pipe 201.
The heating box 304 is attached with heat insulation cotton 306 at one side close to the side wall of the feeding main pipe 201.
Give trachea 302 and be close to the inside rubber valve clack that is provided with of main 201 inside wall one end of feed, can avoid the interior material of main 201 of feed to get into for the trachea 302.
The sliding plate 102 is made of light steel, so that the sliding plate 102 is not easy to deform, and smooth sliding between the T-shaped section sliding block 104 and the T-shaped section sliding groove 103 is maintained.
The working principle of the invention is as follows:
the device is fixed by suspending the fixing plate 101 at the bottom end of the material storage layer, the feeding header 201 is positioned right above the feeding port of the reaction kettle, the cylinder 108, the first electromagnetic valve 203, the second electromagnetic valve 404, the inflator pump 305 and the heating wires in the heating box 304 are controlled by an external operating system, an operator controls the cylinder 108 to sequentially drive the driving slider 107, the connecting slider 106, the T-shaped cross-section slider 104 and the feeding header 201 to slide up and down by using the control system, so that the feeding header 201 can be positioned at different heights above the feeding port of the reaction kettle, during feeding, the bottom end of the feeding header 201 is controlled to be close to the feeding port of the reaction kettle, when maintenance or other operations of the reaction kettle are carried out, the feeding header 201 is lifted, the feeding header 201 is prevented from influencing the operating space, the feeding header 202 is provided with a plurality of feeding headers 202, different feeding headers 202 are respectively connected with the material storage kettles storing different materials by using hoses, the on-off of the materials in the feeding connecting pipe 202 is controlled by the first electromagnetic valve 203, so that in the production switching operation of different products, different reaction materials corresponding to the produced products are switched and controlled to enter the feeding main pipe 201 only by the first electromagnetic valve 203;
when product production switching is needed, or production maintenance is suspended, and materials which are easy to oxidize exist in raw materials of the products, before a new round of production reaction is carried out, residues in the feeding main pipe 201 need to be thoroughly cleaned, pollution to subsequent production is avoided, an operator starts the inflator pump 305 and a heating wire in the heating box 304, the heating wire is electrified to heat air from the inflator pump 305, the hot air is sequentially conveyed into the centralized air supply pipe 303, the air supply pipe 302 and the feeding main pipe 201, the air supply pipe 302 carries out high-pressure purging on the inner wall of the feeding main pipe 201, the viscosity between the materials and the interior of the feeding main pipe 201 can be reduced due to high temperature, the residual materials are easy to fall off, the effect in winter is more remarkable, the residual materials are discharged from the bottom end of the feeding main pipe 201, two groups of inclined air grooves 301 with different directions form vortex flows in the feeding main pipe 201, and dead-angle-free cleaning of the inner side wall of the feeding main pipe 201 is realized, when materials which are difficult to clean are left in the feeding main pipe 201 due to material properties or under the condition of long-term non-cleaning, the feeding connecting pipe 202 can be connected with an external water pipe, the lower isolation valve 402 is closed, the second electromagnetic valve 404 is opened, water is supplied into the feeding main pipe 201 through the feeding connecting pipe 202, the upper isolation valve 401 is closed after the feeding main pipe 201 is filled with water, the feeding main pipe 201 can only be communicated with the outside through the vent pipe 403 at the moment, then the air pump 305 and the heating wires in the heating box 304 are opened, high-temperature air sweeps the water in the feeding main pipe 201 through the air supply pipe 302, so that the water forms a vortex along with wind power, the side wall of the feeding main pipe 201 is rubbed and infiltrated, the residual materials are quickly stirred into the water, and because the group of air supply pipes 302 which can sweep the air obliquely upwards are positioned in the oblique air groove 301, and the slant gas tank 301 inclination here is little, can avoid gaseous sweeping water too high, causes the phenomenon of a large amount of moisture from breather pipe 403 outflow, utilizes stable residual material cleaning effect, washs the back of accomplishing, opens isolation valve 402 down, makes sewage discharge, can carry out the pollution-free production of next stage product.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a p toluidine production feeder, includes the storing layer, produces the layer and is located storing layer below, and storage kettle is installed on the storing layer, produces the layer and installs reation kettle, and storage kettle feeds the reation kettle below, and reation kettle carries out the reaction of material, its characterized in that: the device comprises an adjusting feeding component, a feeding control component, a cleaning purging component and a gas circuit control component, wherein the adjusting feeding component comprises a suspension fixing plate (101), a sliding plate (102), a T-shaped section sliding groove (103) and a T-shaped section sliding block (104), the bottom end of a material storage layer is fixedly connected with the suspension fixing plate (101), the sliding plate (102) is fixedly installed on one side of the suspension fixing plate (101), the T-shaped section sliding groove (103) is formed in the side wall of the sliding plate (102) far away from the suspension fixing plate (101), the T-shaped section sliding groove (103) is internally provided with the T-shaped section sliding block (104) in a sliding mode, the feeding control component comprises a feeding main pipe (201), a feeding connecting pipe (202) and a first electromagnetic valve (203), and the feeding main pipe (201) is fixedly installed on one side, close to the opening of the T-shaped section sliding block (104), of the T-shaped section sliding block (103), the top end of the feeding header pipe (201) is sealed, the fixed intercommunication in feeding header pipe (201) top has a plurality of feeding linking pipe (202), install first solenoid valve (203) on the feeding linking pipe (202), be provided with the clean subassembly that sweeps on the feeding header pipe (201) lateral wall, the clean subassembly that sweeps plays and avoids feeding control assembly after production, takes place the remaining phenomenon of material, be provided with the gas circuit control subassembly on the feeding header pipe (201) lateral wall, the gas circuit control subassembly can carry out stubborn stain washing to the feeding control assembly, avoids residual material to lead to the fact the influence to the different production products of lower stage, the clean subassembly that sweeps includes slant gas tank (301), gives trachea (302), concentrates on and gives trachea (303), heating box (304), inflator pump (305), run through on feeding header pipe (201) lateral wall and seted up slant gas tank (301), two sets of have vertically been seted up to slant gas tank (301), distance between two sets of slant gas tank (301) equals feed house steward (201) internal diameter, be the benchmark direction from feed house steward (201) inside wall to feed house steward (201) lateral wall, a set of slant gas tank (301) syncline top slope, another group of slant gas tank (301) syncline below slope, syncline top slope's slant gas tank (301) axis is 30 degrees with the horizontal plane contained angle, syncline below slope's slant gas tank (301) axis is 20 degrees with the horizontal plane contained angle, fixed mounting has air feed pipe (302) in slant gas tank (301), air feed pipe (302) keep away from the fixed intercommunication of slant gas tank (301) inside one end and have concentrated air feed pipe (303), install heating box (304) on feed house steward (201) lateral wall, install electric heating wire in heating box (304), heating box (304) communicate with concentrated air feed pipe (303) inside each other through the pipe fitting, install pump (305) on feed house steward (201) lateral wall, pump (305) gas outlet passes through pipe fitting and the inside intercommunication each other of heating box (304), gas circuit control assembly includes isolation valve (401), isolation valve (402), breather pipe (403), second solenoid valve (404) down, feed house steward (201) are close to feed connection pipe (202) one end and install isolation valve (401), feed house steward (201) are kept away from feed connection pipe (202) one end and are installed down isolation valve (402), feed house steward (201) lateral wall is close to isolation valve (401) one end and installs breather pipe (403), breather pipe (403) and feed house steward (201) inside intercommunication, feed connection pipe (202) and external water piping connection.
2. A p-toluidine production feed device as set forth in claim 1, wherein: the adjusting and feeding assembly further comprises a back side connecting sliding groove (105), a connecting sliding block (106), a driving sliding block (107) and an air cylinder (108), the back side connecting sliding groove (105) is formed in one side wall, away from the T-shaped section sliding groove (103), of the sliding plate (102), the back side connecting sliding groove (105) is communicated with the T-shaped section sliding groove (103), the T-shaped section sliding block (104) is fixedly installed close to one end of the back side connecting sliding groove (105) and is provided with the connecting sliding block (106), one end, away from the T-shaped section sliding block (104), of the connecting sliding block (106) is fixedly installed with the driving sliding block (107), the air cylinder (108) is fixedly installed on the bottom surface of the hanging fixing plate (101), and a piston rod of the air cylinder (108) is fixedly connected with the top end of the driving sliding block (107).
3. A p-toluidine production feed device as set forth in claim 1, wherein: and a second electromagnetic valve (404) is arranged on the vent pipe (403) and plays a role in controlling the sealing effect of the inner space of the feeding main pipe (201).
4. A p-toluidine production feed device as set forth in claim 1, wherein: and heat insulation cotton (306) is attached to one side, close to the side wall of the feeding main pipe (201), of the heating box (304).
5. A p-toluidine production feed device as set forth in claim 1, wherein: give trachea (302) and be close to inside the being provided with rubber valve clack of feed house steward (201) inside one end, can avoid in feed house steward (201) material entering give trachea (302).
6. A p-toluidine production feed device as set forth in claim 1, wherein: the sliding plate (102) is made of light steel, so that the sliding plate (102) is not easy to deform, and smooth sliding between the T-shaped section sliding block (104) and the T-shaped section sliding groove (103) is maintained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798622.3A CN113244857B (en) | 2021-07-15 | 2021-07-15 | Feeding device for p-toluidine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798622.3A CN113244857B (en) | 2021-07-15 | 2021-07-15 | Feeding device for p-toluidine production |
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| CN113244857A CN113244857A (en) | 2021-08-13 |
| CN113244857B true CN113244857B (en) | 2021-09-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2468393A1 (en) * | 2010-12-27 | 2012-06-27 | Total Raffinage Marketing | Purge/sampling system for a vessel, the corresponding vessel and cleaning method using said purge/sampling system |
| CN209701412U (en) * | 2019-04-25 | 2019-11-29 | 新疆中天海得石油技术服务有限公司 | Self-cleaning charging hopper |
| CN211636429U (en) * | 2019-12-27 | 2020-10-09 | 天津市新丽华色材有限责任公司 | Movable feeding device for reaction kettle |
| CN212492822U (en) * | 2020-04-13 | 2021-02-09 | 常州瑞明药业有限公司 | Novel environmental protection reation kettle's for medicine production charging valve device |
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