CN110841560A - Centralized feeding system - Google Patents
Centralized feeding system Download PDFInfo
- Publication number
- CN110841560A CN110841560A CN201911201209.3A CN201911201209A CN110841560A CN 110841560 A CN110841560 A CN 110841560A CN 201911201209 A CN201911201209 A CN 201911201209A CN 110841560 A CN110841560 A CN 110841560A
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- CN
- China
- Prior art keywords
- feeding
- tank
- storage tank
- pressure
- cabinet
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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
-
- 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
Abstract
The invention discloses a centralized feeding system, and on one hand, the invention provides a feeding device which comprises a storage tank, a first intermediate tank, a second intermediate tank, a feeding cabinet, a pressure compensator and two pressure chargers, wherein the storage tank is a normal-pressure tank, the first intermediate tank and the second intermediate tank are both pressure boost tanks, the feeding end of the first intermediate tank is communicated with the discharging end of the storage tank, the discharging end of the first intermediate tank is communicated with the feeding end of the feeding cabinet, the feeding end of the second intermediate tank is communicated with the discharging end of the storage tank, the discharging end of the second intermediate tank is communicated with the feeding end of the feeding cabinet, the storage tank is communicated with the pressure compensator, and the first intermediate tank and the second intermediate tank are respectively communicated with the two pressure chargers; on the other hand, a centralized feeding system is provided, which comprises the feeding device, an ISO tank car, a discharging cabinet and production equipment; the problem of among the prior art ISO jar as raw materials supply tank, the security is low, with high costs is solved.
Description
Technical Field
The invention relates to the technical field of fluid hazardous chemical feeding, in particular to a centralized feeding system.
Background
The common system feeding mode of chemical materials is a pressurization feeding mode, the pressure in a tank body stored with the chemical materials is firstly boosted through feeding equipment, so that the tank body keeps stable pressure, the chemical material liquid is pressed out from the tank body by utilizing the pressure, and then the chemical material liquid is conveyed to production equipment through a pipeline.
However, the ISO tank is directly used as a supply tank, and not only is the cost problem of paying rent. Because the supply has uncontrollable safety risk for the long-term area pressure of large container, leaks in the big ball valve of ISO jar is easy to pressurize nitrogen gas, leaks when leading to reloading to find and leaks the difficulty, arouses the erroneous judgement easily, causes to reveal the risk.
Disclosure of Invention
The invention aims to overcome the technical defects and provide a centralized feeding system, which solves the problems of low safety and high cost of an ISO (international standardization organization) tank serving as a raw material supply tank in the prior art.
In order to solve the technical problems, on one hand, the invention provides a feeding device which comprises a storage tank, a first intermediate tank, a second intermediate tank, a feeding cabinet, a pressure compensator and two pressure boosters, wherein the storage tank is a normal-pressure tank, the first intermediate tank and the second intermediate tank are both pressure boosting tanks, a feeding end of the first intermediate tank is communicated with a discharging end of the storage tank, a discharging end of the first intermediate tank is communicated with a feeding end of the feeding cabinet, a feeding end of the second intermediate tank is communicated with a discharging end of the storage tank, a discharging end of the second intermediate tank is communicated with a feeding end of the feeding cabinet, the storage tank is communicated with the pressure compensator, and the first intermediate tank and the second intermediate tank are respectively communicated with the two pressure boosters.
On the other hand, the invention provides a centralized feeding system which comprises the feeding device, an ISO tank truck, a discharging cabinet and production equipment, wherein the feeding end of the discharging cabinet is connected with the discharging end of the ISO tank truck, the discharging end of the discharging cabinet is connected with the feeding end of the storage tank, and the discharging end of the feeding cabinet is connected with the feeding end of the production equipment.
The invention has the beneficial effects that: compared with the prior art that a large normal-pressure storage tank is arranged for storing chemical materials at normal pressure, no rent is needed, normal-pressure storage is achieved, safety is higher, the first intermediate tank and the second intermediate tank are small-size pressure boosting tanks, the first intermediate tank and the second intermediate tank are communicated with the storage tank, pressure feeding with small size is achieved, and safety is higher.
Drawings
FIG. 1 is a schematic view of the structure of a feeding device of the present invention;
FIG. 2 is a top view of the feeding device of the present invention;
FIG. 3 is a schematic view of the centralized feeding system of the present invention;
FIG. 4 is a schematic view of the connection of the feed system of the present invention to a production facility.
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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-2, in one aspect, the present invention provides a feeding device 300, which includes a storage tank 310, a first intermediate tank 320, a second intermediate tank 330, a feeding cabinet 340, a pressure compensator 370 and two pressure boosters 390, wherein the storage tank 310 is used for storing chemical materials discharged from an ISO tanker 100 in a normal pressure storage manner, the first intermediate tank 320 and the second intermediate tank 330 are high pressure tanks, the volumes of the first intermediate tank 320 and the second intermediate tank 330 are much smaller than the volume of the storage tank 310, the chemical materials stored in the storage tank 310 are introduced into the first intermediate tank 320 and the second intermediate tank 330, and the production facility 400 is fed through the feeding cabinet 340, only the first intermediate tank 320 and the second intermediate tank 330 in the whole feeding device 300 use high pressure, the storage tank 310 is normal pressure, the safety is greatly improved, and the following is explained in more detail.
The storage tank 310 in this embodiment is an atmospheric tank, the first intermediate tank 320 and the second intermediate tank 330 are both pressure boost tanks, the feed end of the first intermediate tank 320 is communicated with the discharge end of the storage tank 310, the discharge end of the first intermediate tank 320 is communicated with the feed end of the feeding cabinet 340, the feed end of the second intermediate tank 330 is communicated with the discharge end of the storage tank 310, the discharge end of the second intermediate tank 330 is communicated with the feed end of the feeding cabinet 340, the storage tank 310 is communicated with the pressure compensator 370, and the first intermediate tank 320 and the second intermediate tank 330 are respectively communicated with the two pressure boosters 390.
The pressure compensator 370 is installed on the top of the storage tank 310, and the inert gas, such as nitrogen, is introduced into the storage tank 310 from the pressure compensator 370, when a part of the chemical material in the storage tank 310 flows into the first intermediate tank 320 or the second intermediate tank 330, the inert gas is supplied into the storage tank 310 from the pressure compensator 370, so that the pressure in the storage tank 310 is always maintained at a stable value, the pressure value is normal pressure, and the chemical material in the storage tank 310 is extruded out of the storage tank 310 from the discharge port below the storage tank 310 by the pressure.
The structure and the size of the first intermediate tank 320 and the second intermediate tank 330 are the same, and the structure of the first intermediate tank 320 will be described in detail below, the bottom of the first intermediate tank 320 is communicated with the discharge port of the storage tank 310, the top of the first intermediate tank 320 is provided with a pressure booster 390, when the chemical material in the first intermediate tank 320 flows out from the discharge port, the pressure booster 390 adds an inert gas, such as nitrogen, into the first intermediate tank 320, so that the pressure in the first intermediate tank 320 is always maintained at a stable value, the pressure value is a high pressure, the chemical material in the first intermediate tank 320 is pressed downwards, and the chemical material flows out from the discharge port.
The feeding device 300 in this embodiment further includes four connecting pipes 350, the four connecting pipes 350 are respectively a first connecting pipe, a second connecting pipe, a third connecting pipe and a fourth connecting pipe, the feeding end of the first intermediate tank 320 is connected with the discharging end of the storage tank 310 through the first connecting pipe, the discharging end of the first intermediate tank 320 is connected with the feeding end of the feeding cabinet 340 through the second connecting pipe, the feeding end of the second intermediate tank 330 is connected with the discharging end of the storage tank 310 through the third connecting pipe, the discharging end of the second intermediate tank 330 is connected with the feeding end of the feeding cabinet 340 through the fourth connecting pipe, and the connecting pipes 350 play a role in connection.
The feeding device 300 in this embodiment further includes four valves 380, the four valves 380 correspond to the connecting pipes 350 one by one, each valve 380 is installed on the corresponding connecting pipe 350, and the on/off of the corresponding connecting pipe 350 can be controlled by the switch of the valve 380.
The volume of the storage tank 310 is larger than that of the first intermediate tank 320, the volume of the storage tank 310 is larger than that of the second intermediate tank, and the discharge end of the storage tank 310 is located at the bottom of the storage tank 310. since the volume of the storage tank 310 is much larger than that of the first intermediate tank 320, chemical materials flow from the discharge port of the storage tank 310 to the first intermediate tank 320 or the second intermediate tank 330 under the action of gravity in a state of keeping the internal normal pressure of the storage tank 310.
As shown in fig. 1, the feeding device 300 in this embodiment further includes a magnetic flap level meter 361 and three guided wave radars 362, the magnetic flap level meter 361 is installed on the storage tank 310, the three guided wave radars 362 are respectively installed inside the storage tank 310, the first intermediate tank 320 and the second intermediate tank 330, the magnetic flap level meter 361 with hysteresis expansion analog quantity signals which is more convenient and durable can be read out more intuitively as the liquid level of the storage tank 310, the guided wave radars 362 can measure the liquid level of the storage tank 310, the first intermediate tank 320 and the second intermediate tank 330, and the measured liquid level is transmitted to the control system in a signal manner, so that the data can be read and used conveniently.
Wherein, pressure compensator 370 has the pressure compensating end, and pressure compensating end of pressure compensator 370 stretches into the inside of storage tank 310, and two superchargers 390 all have a pressure boost end, and the inside of first pans 320 and the inside of second pans 330 are stretched into respectively to the pressure compensating end of two superchargers 390.
As shown in fig. 3, in another aspect, the present invention provides a centralized feeding system, which includes the feeding device 300, the ISO tanker 100 and the dump bin 200, wherein the feeding end of the dump bin 200 is connected to the discharging end of the ISO tanker 100, the discharging end of the dump bin 200 is connected to the feeding end of the storage tank 310, and the discharging end of the feeding bin 340 is connected to the feeding end of the external production equipment 400.
Wherein, a plurality of ISO tank trucks 100 are unloaded by one discharge cabinet 200 simultaneously, and a plurality of storage tanks 310 are docked by one discharge cabinet 200 simultaneously, for example, the ISO tank trucks 100 include a first tank truck 110 and a second tank truck 120.
Preferably, the discharge cabinet 200 can be used for discharging 100 ISO tank trucks, can be selectively discharged into any one of the large storage tanks 310, and can not influence each other when discharging and supplying, the ISO tank truck 100 can be completely discharged, the whole discharging process is about six hours, the discharging can be completed in one day, and the ISO tank truck 100 can be separated from the supply system after the discharging is completed and does not need to be hung on the system all the time.
As shown in fig. 4, the feeding systems correspond to the production apparatuses 400 one-to-one, for example, the first system corresponds to a first apparatus, and the second system corresponds to a second apparatus.
The working process is as follows: firstly, inserting the discharge end of an ISO tank truck 100 into a discharge cabinet 200, communicating the discharge end of the discharge cabinet 200 with the feed end of a storage tank 310, leading chemical materials in the ISO tank truck 100 into the storage tank 310 through the discharge cabinet 200 in a reduced pressure mode, protecting the upper side of the storage tank 310 by using a micro-positive pressure nitrogen-nitrogen seal, supplementing nitrogen above the storage tank 310 when the content of the chemical materials in the storage tank 310 is reduced, keeping the interior of the storage tank 310 in a normal pressure state, supplementing materials to a first intermediate tank 320 and a second intermediate tank 330 in a gravity flow mode, introducing inert gas into the first intermediate tank 320 and the second intermediate tank 330 by a pressurizing device, keeping the interiors of the first intermediate tank 320 and the second intermediate tank 330 at a certain high pressure, during specific work, supplementing materials to the first intermediate tank 320 by the tank 310, sealing the second intermediate tank 330, and closing the feed end after the first intermediate tank 320 is full of the chemical materials, the discharge end supplies production facility 400 through supply cabinet 340, at this moment, the feed end and the storage tank 310 intercommunication of second intermediate tank 330, storage tank 310 supplies material to second intermediate tank 330, after second intermediate tank 330 is full of gas, the chemical material in the first intermediate tank 320 of process period exhausts, the feed end of first intermediate tank 320 is opened, storage tank 310 supplies material to first intermediate tank 320, the discharge end disconnection of first intermediate tank 320, the feed end disconnection of second intermediate tank 330, the discharge end of second intermediate tank 330 supplies production facility 400 through supply cabinet 340, repeat in the past, the process of accomplishing the feed.
Different from the prior art, the large-sized normal-pressure storage tank 310 is arranged and used for storing chemical materials at normal pressure, compared with the original tank for storing chemical materials, the large-sized normal-pressure storage tank does not need rent, normal-pressure storage is realized, the safety is higher, the first intermediate tank 320 and the second intermediate tank 330 are small-volume pressurization tanks, the first intermediate tank 320 and the second intermediate tank 330 are communicated with the storage tank 310, the small-volume pressure feeding is realized, and the safety is higher.
It should be noted that the above embodiments belong to the same inventive concept, and the description of each embodiment has a different emphasis, and reference may be made to the description in other embodiments where the description in individual embodiments is not detailed.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. Feedway, its characterized in that, including storage tank, first pans, second pans, feed cabinet, pressure compensator and two superchargers, the storage tank is the ordinary pressure jar, first pans and second pans are the pressure boost jar, the feed end of first pans with the discharge end intercommunication of storage tank, the discharge end of first pans with the feed end intercommunication of feed cabinet, the feed end of second pans with the discharge end intercommunication of storage tank, the discharge end of second pans with the feed end intercommunication of feed cabinet, the storage tank with the pressure compensator intercommunication, first pans with the second pans respectively with two the superchargers are linked together.
2. The feeding device as claimed in claim 1, wherein the feeding device further comprises four connecting pipes, the four connecting pipes are respectively a first connecting pipe, a second connecting pipe, a third connecting pipe and a fourth connecting pipe, the feeding end of the first intermediate tank is connected with the discharging end of the storage tank through the first connecting pipe, the discharging end of the first intermediate tank is connected with the feeding end of the feeding cabinet through the second connecting pipe, the feeding end of the second intermediate tank is connected with the discharging end of the storage tank through the third connecting pipe, and the discharging end of the second intermediate tank is connected with the feeding end of the feeding cabinet through the fourth connecting pipe.
3. The feeding device as claimed in claim 2, further comprising four valves, wherein four valves are in one-to-one correspondence with the connecting pipes, and each valve is installed on the corresponding connecting pipe.
4. The feeder of claim 1, wherein the storage tank has a volume greater than a volume of the first tundish, the storage tank has a volume greater than a volume of the second tundish, and the discharge end of the storage tank is located at the bottom of the storage tank.
5. The feeding device as defined in claim 1, further comprising a magnetic flap level gauge mounted on the storage tank and three guided wave radars mounted inside the storage tank, the first tundish and the second tundish, respectively.
6. The feeding device as claimed in claim 1, wherein the pressure compensator has a pressure compensating end, the pressure compensating end of the pressure compensator extends into the storage tank, the two pressure boosters each have a pressure boosting end, and the pressure compensating ends of the two pressure boosters extend into the first intermediate tank and the second intermediate tank, respectively.
7. The centralized feeding system is characterized by comprising the feeding device according to any one of claims 1 to 6, further comprising an ISO tank truck and a discharge cabinet, wherein the feeding end of the discharge cabinet is connected with the discharging end of the ISO tank truck, the discharging end of the discharge cabinet is connected with the feeding end of the storage tank, and the discharging end of the feeding cabinet is connected with the feeding end of external production equipment.
8. The centralized feeding system of claim 7, wherein one said dump cabinet simultaneously dumps a plurality of said ISO tankers, and one said dump cabinet simultaneously docks a plurality of said storage tanks.
9. The centralized feeding system of claim 7, wherein the feeding systems are in one-to-one correspondence with the production facilities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201209.3A CN110841560A (en) | 2019-11-29 | 2019-11-29 | Centralized feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201209.3A CN110841560A (en) | 2019-11-29 | 2019-11-29 | Centralized feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110841560A true CN110841560A (en) | 2020-02-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911201209.3A Pending CN110841560A (en) | 2019-11-29 | 2019-11-29 | Centralized feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110841560A (en) |
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2019
- 2019-11-29 CN CN201911201209.3A patent/CN110841560A/en active Pending
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