CN110127585A - A kind of isocyanates groove tank discharge system - Google Patents
A kind of isocyanates groove tank discharge system Download PDFInfo
- Publication number
- CN110127585A CN110127585A CN201910468581.4A CN201910468581A CN110127585A CN 110127585 A CN110127585 A CN 110127585A CN 201910468581 A CN201910468581 A CN 201910468581A CN 110127585 A CN110127585 A CN 110127585A
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- isocyanates
- storage tank
- tank
- platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012948 isocyanate Substances 0.000 title claims abstract description 55
- 150000002513 isocyanates Chemical class 0.000 title claims abstract description 55
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 165
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 84
- 238000004519 manufacturing process Methods 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 7
- 230000003628 erosive effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 150000002148 esters Chemical class 0.000 description 4
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 3
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/72—Devices for applying air or other gas pressure for forcing liquid to delivery point
Abstract
The present invention relates to a kind of isocyanates groove tank discharge systems, the difference is that: it includes groove tank car, the equipment of making nitrogen, fixed storage tank and production equipment, the groove tank car is equipped with the tank body ontology for storing isocyanates raw material, is offered respectively on the tank body ontology into nitrogen mouth and discharge port；The equipment of making nitrogen includes nitrogen making machine and nitrogen storage tank, and for storing nitrogen prepared by the nitrogen making machine, the nitrogen storage tank is connected into nitrogen mouth by nitrogen feeding pipe the nitrogen storage tank with described；Feed inlet and feeding port are offered on the fixed storage tank, the feed inlet is connected to the discharge port by discharge duct；The production equipment is connect with the feeding port by feed pipe.The present invention avoids leaking when isocyanates raw material discharging, safety and environmental protection.
Description
The present invention relates to industrial chemicals transport field, especially a kind of isocyanates groove tank discharge system.
Background technique
Polyurethane industries among others at home, isocyanates is gradually transported using groove tank car, after groove tank car reaches factory, how will
Isocyanates raw material in groove tank car is discharged in the fixation storage tank of factory, is always the problem of insider is concerned；Currently,
It is the discharge outlet connection discharging pump in groove tank car mostly, then the isocyanates raw material in groove tank car is transported to by discharging pump
In fixed storage tank, discharging is pumped using discharging, the used time is longer, since isocyanates corrosivity is stronger, between discharge port and discharging pump
Also it easily leaks, this not only causes energy waste, and due to isocyanates category Class C industrial chemicals, toxic and chance air
In moisture content be easy crystallization, injury can be generated to human body after leakage, and environmental pollution is larger.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of isocyanates groove tank discharge system, keeps away
Exempt to leak when isocyanates raw material discharging, safety and environmental protection.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of isocyanates groove tank discharge system, different
Place is:
It includes groove tank car, and the groove tank car is equipped with tank body ontology for storing isocyanates raw material, on the tank body ontology
It is offered respectively into nitrogen mouth and discharge port；
The equipment of making nitrogen, the equipment of making nitrogen include nitrogen making machine and nitrogen storage tank, and the nitrogen storage tank is for storing the nitrogen making machine
Prepared nitrogen, the nitrogen storage tank are connected into nitrogen mouth by nitrogen feeding pipe with described；
Storage tank is fixed, feed inlet and feeding port are offered on the fixed storage tank, the feed inlet is with the discharge port by unloading
Expects pipe connection；
And
Production equipment, the production equipment are connect with the feeding port by feed pipe.
By above technical scheme, which further includes discharging platform, and the discharging platform includes being set to above the groove tank car
Platform encloses the fence set on the platform surrounding, the pillar for being used to support the platform, rectangle cover board, pedal and connection ground
With the stair of the platform；A rectangle installing port, two opposition of the platform close to the installing port are offered on the platform
Side offers the groove extended along two opposite side respectively；The cover board two sides lower end difference opposite with two opposite side
Equipped with idler wheel, and two idler wheels are arranged in a one-to-one correspondence with two grooves, and the cover board is located at the discharge port and into nitrogen mouth
Top；The pedal is fixed on the lower section of the platform and between the cover board and the groove tank car.
It further include power control cabinet by above technical scheme.
By above technical scheme, the feed pipe include fair current pipe portion and reflux pipe portion, one end of the fair current pipe portion with
The feeding port connection, the other end are connect with the production equipment, and one end of the reflux pipe portion and the fair current pipe portion are close
Connection, the other end are connected at the one of the production equipment with the fair current pipe portion at the one of the feeding port；The fair current
The delivery pump controlled by the power control cabinet is provided in pipe portion.
By above technical scheme, the intake valve controlled by the power control cabinet, the discharge duct are provided on the nitrogen feeding pipe
On be provided with the discharge valve controlled by the power control cabinet.
By above technical scheme, isocyanates raw material liquid level in the control fixed storage tank is additionally provided on the fixed storage tank
Liquidometer, and the liquidometer is electrically connected with the power control cabinet.
By above technical scheme, being additionally provided on the fixed storage tank prevents isocyanates raw material in the fixed storage tank from overflowing
Erosion control top switch.
By above technical scheme, the first safety valve and the first maintenance flange port are additionally provided on the tank body ontology.
By above technical scheme, the second safety valve and the second maintenance flange port are additionally provided on the fixed storage tank.
Compare the prior art, beneficial features of the invention are as follows: a kind of isocyanates groove tank discharge system, tank body ontology are used
In storage isocyanates raw material, nitrogen storage tank for storing nitrogen prepared by nitrogen making machine, nitrogen storage tank with pass through into nitrogen mouth it is defeated
The connection of nitrogen pipe, discharge port is connected to feed inlet by discharge duct, and when discharging, the nitrogen in nitrogen storage tank is entered by nitrogen feeding pipe
In tank body ontology, the intrinsic pressure of tank body is got higher, and the intrinsic isocyanates raw material of tank body is forced to be pressed by discharge duct
Into fixed storage tank, since the corrosivity of isocyanates is stronger, pump discharging conveying is not had to, it can save energy consumption, in turn avoid
The leakage of isocyanates raw material, safety and environmental protection；Production equipment is connect with feeding port by feed pipe, when production equipment works, production
Equipment is connected to feed pipe junction, and the isocyanates raw material in fixed storage tank is made to be transported to production equipment by feed pipe,
Complete entire feeder process.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of isocyanates groove tank discharge system in the embodiment of the present invention；
Fig. 2 is the local A schematic diagram of Fig. 1 in the embodiment of the present invention；
Fig. 3 is the local B schematic diagram of Fig. 1 in the embodiment of the present invention；
Fig. 4 is the side schematic view of groove tank car and discharging platform in the embodiment of the present invention；
Fig. 5 is the groove tank car of Fig. 1 and the schematic rear view of discharging platform in the embodiment of the present invention；
Comprising: 1- groove tank car (101- tank body ontology (1011- into nitrogen mouth, 1012- discharge port, the first safety valve of 1013-,
1014- first overhaul flange port)), the 2- equipment of making nitrogen (201- nitrogen making machine, 202- nitrogen storage tank, (the 2031- air inlet of 203- nitrogen feeding pipe
Valve)), 3- fixed storage tank (301- feed inlet, 302- feeding port, 303- discharge duct (3031- discharge valve), 304- liquidometer, 305-
Erosion control top switch, the second safety valve of 306-, 307- second overhaul flange port), (401- feed pipe (the 4011- fair current of 4- production equipment
Pipe portion (40111- delivery pump), 4012- flow back pipe portion)), 5- discharging platform (501- platform, 502- fence, 503- pillar, the building 504-
Ladder, 505- cover board, 506- pedal), 6- power control cabinet.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
Please refer to Fig. 1 to Fig. 5, a kind of isocyanates groove tank discharge system of the present invention comprising power control cabinet 6, groove tank car 1,
The equipment of making nitrogen 2, fixed storage tank 3 and production equipment 4；Groove tank car 1 is equipped with the tank body ontology 101 for storing isocyanates raw material,
It is offered respectively on tank body ontology 101 into nitrogen mouth 1011 and discharge port 1012, tank body ontology 101 is for storing isocyanates original
Material；The equipment of making nitrogen 2 includes nitrogen making machine 201 and nitrogen storage tank 202, and nitrogen storage tank 202 is for storing nitrogen prepared by nitrogen making machine 201
Gas, nitrogen storage tank 202 are connected into nitrogen mouth 1011 by nitrogen feeding pipe 203, offer feed inlet 301 and feeding on fixed storage tank 3
Mouthfuls 302, feed inlet 301 is connected to discharge port 1012 by discharge duct 303, and when discharging, the nitrogen in nitrogen storage tank 202 passes through defeated
Nitrogen pipe 203 enters in tank body ontology 101, and the pressure in tank body ontology 101 is got higher, and forces the isocyanic acid in tank body ontology 101
Ester raw material is pressed into fixed storage tank 3 by discharge duct 303；Production equipment 4 is connect with feeding port 302 by feed pipe 401,
When production equipment 4 is in running order, production equipment 4 is connected to 401 junction of feed pipe, makes the isocyanic acid in fixed storage tank 3
Ester raw material is transported to production equipment 4 by feed pipe 401.
Preferably, which further includes discharging platform 5, and discharging platform 5 includes platform 501, fence 502, pillar 503, rectangular cap
Plate 505 and pedal 506 and stair 504；Platform 501 is set to 1 top of groove tank car, offers a rectangle installing port on platform 501,
Platform 501 offers the groove extended along two opposite sides close to two opposite sides of installing port respectively；Cover board 505 and two opposite sides pair
The two sides lower end answered is respectively equipped with idler wheel, and two idler wheels are arranged in a one-to-one correspondence with two grooves, cover staff can by pushing
Plate 505, moves pulley in groove, to open cover board 505, and cover board 505 is located at discharge port 1012 and into nitrogen mouth 1011
Top connects the period in pipeline, and staff opens cover board 505, connects the period in non-pipeline, cover board 505 is closed, is avoided
Staff falls under in the non-pipeline connection period, station is slipped when on platform 501, securely and reliably；Fence 502 is enclosed set on platform 501
Surrounding, fence 502 avoid under staff slips in platform 501, securely and reliably；Pillar 503 is used to support platform
501, stair 504 are for connecting ground and platform 501, and pedal 506 is fixed on the lower section of platform 501, and pedal 506 is set to cover board
Between 505 and groove tank car 1, facilitates staff to step down on pedal 506 and do pipe connecting operations；Groove tank car 1 transports discharging platform 5
Behind lower section, staff walks upper mounting plate 501 by stair 504, cover board 505 is opened, and step down on pedal 506, by nitrogen feeding pipe 203
One end connect with into nitrogen mouth 1011, one end of discharge duct 303 is connect with feed inlet 301, it is easy to operate.
Preferably, the height of platform 501 is 30 ~ 40cm higher than the height of groove tank car 1, facilitates groove tank car 1 to enter, and conveniently
Staff carries out pipe connecting operations.
Preferably, feed pipe 401 include fair current pipe portion 4011 and reflux pipe portion 4012, one end of fair current pipe portion 4011 with give
Material mouth 302 is connected to, and the other end of fair current pipe portion 4011 is connect with production equipment 4, the one end for the pipe portion 4012 that flows back and fair current pipe portion
4011 are connected at the one of feeding port 302, and the other end and fair current pipe portion 4011 for the pipe portion 4012 that flows back are close to production equipment 4
It is connected at one, is provided with the delivery pump 40111 controlled by power control cabinet 6 in fair current pipe portion 4011, production equipment 4 is in running order
When, production equipment 4 is connected to the junction of feed pipe 401, opens delivery pump 40111 by power control cabinet 6, is made in fixed storage tank 3
Isocyanates raw material production equipment 4 is transported to by feed pipe 401, when production equipment 4 is in off working state, production is set
Standby 4 connect with feed pipe 401 but are not connected to, and open delivery pump 40111 by power control cabinet 6, make isocyanates raw material in fair current pipe
Circulated between portion 4011 and reflux pipe portion 4012, in the lower situation of temperature, under avoid isocyanates raw material from flowing because stopping
It moves and precipitated crystal, to influence subsequent conveying.
Specifically, the intake valve 2031 controlled by power control cabinet 6 is provided on nitrogen feeding pipe 203, be provided on discharge duct 303 by
The discharge valve 3031 that power control cabinet 6 controls, opens simultaneously intake valve 2031 and discharge valve 3031 by power control cabinet 6, so that nitrogen storage
Nitrogen in tank 202 is entered in tank body ontology 101 by nitrogen feeding pipe 203, and the pressure in tank body ontology 101 is got higher, and forces tank
Isocyanates raw material in body ontology 101 is pressed into fixed storage tank 3 by discharge duct 303.
Preferably, 1 ~ 1.5bar is set by the pressure of nitrogen, pressurizeed too small, influence discharge rate, excessive, discharging of pressurizeing
It is too quickly, it is unstable.
Preferably, the liquidometer 304 for controlling isocyanates raw material liquid level in fixed storage tank 3 is additionally provided on fixed storage tank 3, and
Liquidometer 304 is electrically connected with power control cabinet 6, when the isocyanates raw material liquid level in fixed storage tank 3 reaches the upper limit, liquidometer 304
Power control cabinet 6 is transmitted signals to, power control cabinet 6 closes intake valve 2031 and discharge valve 3031, stops groove tank car 1 to fixed storage tank 3
Discharging；When the isocyanates raw material liquid level in fixed storage tank 3 reaches lower limit, liquidometer 304 transmits signals to power control cabinet 6,
Power control cabinet 6 closes delivery pump 40111, stops being fed to production equipment 4.Preferably, erosion control top switch is additionally provided on fixed storage tank 3
305, when the isocyanates raw material in tank body ontology 101 is conveyed to fixed storage tank 3, erosion control top switch 305 is avoided that fixed storage
Isocyanates raw material in tank 3 fills it up with spilling.
Preferably, the first safety valve 1013 and the first maintenance flange port 1014, the first peace are additionally provided on tank body ontology 101
Full valve 1013 shields, and can prevent superpressure in tank body ontology 101, and the first maintenance flange port 1014 facilitates staff to overhaul
And maintenance groove tank car 1；The second safety valve 306 and the second maintenance flange port 307, the second safety valve are additionally provided on fixed storage tank 3
306 shield, and can prevent superpressure in fixed storage tank 3, and the second maintenance flange port 307 facilitates staff to overhaul and safeguard admittedly
Determine storage tank 3.
Fig. 1 to Fig. 5 is please referred to, a kind of isocyanates groove tank discharge system of the present invention, tank body ontology 101 is for storing isocyanide
Acid ester feedstock, for storing nitrogen prepared by nitrogen making machine 201, nitrogen storage tank 202 passes through nitrogen storage tank 202 with into nitrogen mouth 1011
Nitrogen feeding pipe 203 is connected to, and is provided with the intake valve 2031 controlled by power control cabinet 6, discharge port 1012 and feed inlet on nitrogen feeding pipe 203
301 are connected to by discharge duct 303, and the discharge valve 3031 controlled by power control cabinet 6 is provided on discharge duct 303, same by power control cabinet 6
When open intake valve 2031 and discharge valve 3031 so that the nitrogen in nitrogen storage tank 202 enters tank body sheet by nitrogen feeding pipe 203
In body 101, the pressure in tank body ontology 101 is got higher, and the isocyanates raw material in tank body ontology 101 is forced to pass through discharge duct 303
It is pressed into fixed storage tank 3, by the way that nitrogen is added, changes 101 pressure of tank body ontology, and the isocyanic acid in tank body ontology 101
Ester raw material enters in fixed storage tank 3, since the corrosivity of isocyanates is stronger, does not have to pump discharging conveying, it can save energy
Consumption in turn avoids the leakage of isocyanates raw material, safety and environmental protection；Production equipment 4 is connect with feeding port 302 by feed pipe 401, raw
When production equipment 4 is in off working state, production equipment 4 connect with feed pipe 401 but is not connected to, and passes through power control cabinet 6 and opens conveying
Pump 40111 circulates isocyanates raw material between fair current pipe portion 4011 and reflux pipe portion 4012, in the lower feelings of temperature
Under condition, avoid isocyanates raw material due to stopping flowing precipitated crystal to influencing subsequent conveying；Production equipment 4 is in work shape
When state, production equipment 4 is connected to the junction of feed pipe 401, opens delivery pump 40111 by power control cabinet 6, makes fixed storage tank 3
Interior isocyanates raw material is transported to production equipment 4 by feed pipe 401, completes entire feeder process.
The above content is combine specific embodiment to the further description of the invention done, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions, for the those of ordinary skill of the technical field belonging to the present invention, not
Under the premise of being detached from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to guarantor of the invention
Protect range.
Claims (9)
1. a kind of isocyanates groove tank discharge system, which is characterized in that
It includes groove tank car, and the groove tank car is equipped with tank body ontology for storing isocyanates raw material, on the tank body ontology
It is offered respectively into nitrogen mouth and discharge port；
The equipment of making nitrogen, the equipment of making nitrogen include nitrogen making machine and nitrogen storage tank, and the nitrogen storage tank is for storing the nitrogen making machine
Prepared nitrogen, the nitrogen storage tank are connected into nitrogen mouth by nitrogen feeding pipe with described；
Storage tank is fixed, feed inlet and feeding port are offered on the fixed storage tank, the feed inlet is with the discharge port by unloading
Expects pipe connection；
And
Production equipment, the production equipment are connect with the feeding port by feed pipe.
2. a kind of isocyanates groove tank discharge system as described in claim 1, which is characterized in that the system further includes discharging
Platform, the discharging platform include the platform being set to above the groove tank car, enclose the fence set on the platform surrounding, are used to support institute
State pillar, rectangle cover board, pedal and the stair for connecting ground and the platform of platform；A rectangle is offered on the platform
Installing port, the platform offer the groove extended along two opposite side close to two opposite sides of the installing port respectively；Institute
It states the cover board two sides lower end opposite with two opposite side and is respectively equipped with idler wheel, and two idler wheels are set with two grooves one-to-one correspondence
It sets, and the cover board is located at the discharge port and into the top of nitrogen mouth；The pedal is fixed on the lower section of the platform and is located at
Between the cover board and the groove tank car.
3. a kind of isocyanates groove tank discharge system as described in claim 1, which is characterized in that it further includes power control cabinet.
4. a kind of isocyanates groove tank discharge system as claimed in claim 3, which is characterized in that the feed pipe includes fair current
Pipe portion and reflux pipe portion, one end of the fair current pipe portion is connected to the feeding port, the other end is connect with the production equipment, institute
State reflux pipe portion one end be connected at the one of the feeding port with the fair current pipe portion, the other end is leaned on the fair current pipe portion
It is connected at the one of the nearly production equipment；The delivery pump controlled by the power control cabinet is provided in the fair current pipe portion.
5. a kind of isocyanates groove tank discharge system as claimed in claim 3, which is characterized in that be provided on the nitrogen feeding pipe
The intake valve controlled by the power control cabinet is provided with the discharge valve controlled by the power control cabinet on the discharge duct.
6. a kind of isocyanates groove tank discharge system as claimed in claim 3, which is characterized in that also set on the fixed storage tank
There is the liquidometer for controlling isocyanates raw material liquid level in the fixed storage tank, and the liquidometer is electrically connected with the power control cabinet.
7. a kind of isocyanates groove tank discharge system as described in claim 1, which is characterized in that also set on the fixed storage tank
There is the erosion control top switch for preventing that isocyanates raw material overflows in the fixed storage tank.
8. a kind of isocyanates groove tank discharge system as described in claim 1, which is characterized in that also set on the tank body ontology
It is equipped with the first safety valve and the first maintenance flange port.
9. a kind of isocyanates groove tank discharge system as described in claim 1, which is characterized in that also set on the fixed storage tank
It is equipped with the second safety valve and the second maintenance flange port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468581.4A CN110127585A (en) | 2019-05-31 | 2019-05-31 | A kind of isocyanates groove tank discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468581.4A CN110127585A (en) | 2019-05-31 | 2019-05-31 | A kind of isocyanates groove tank discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110127585A true CN110127585A (en) | 2019-08-16 |
Family
ID=67583180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910468581.4A Pending CN110127585A (en) | 2019-05-31 | 2019-05-31 | A kind of isocyanates groove tank discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110127585A (en) |
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