CN204529295U - A kind of liquid industrial naphthalene stores loading apparatus - Google Patents
A kind of liquid industrial naphthalene stores loading apparatus Download PDFInfo
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- CN204529295U CN204529295U CN201520134850.0U CN201520134850U CN204529295U CN 204529295 U CN204529295 U CN 204529295U CN 201520134850 U CN201520134850 U CN 201520134850U CN 204529295 U CN204529295 U CN 204529295U
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- naphthalene
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- industrial naphthalene
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- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 title claims abstract description 470
- 239000007788 liquid Substances 0.000 title claims abstract description 213
- 238000011068 loading method Methods 0.000 title claims abstract description 176
- 238000003860 storage Methods 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 11
- 238000010926 purge Methods 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 49
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- 239000011280 coal tar Substances 0.000 description 12
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- 230000005540 biological transmission Effects 0.000 description 4
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- 239000010425 asbestos Substances 0.000 description 3
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- 239000012528 membrane Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
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- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- FECNOIODIVNEKI-UHFFFAOYSA-N 2-[(2-aminobenzoyl)amino]benzoic acid Chemical class NC1=CC=CC=C1C(=O)NC1=CC=CC=C1C(O)=O FECNOIODIVNEKI-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to Coal Chemical Industry tar production technical field, particularly, relates to a kind of liquid industrial naphthalene and stores loading apparatus.The utility model comprises the first threeway plug valve (1), liquid industrial naphthalene loading groove (4), exhaust collection pipeline (6), liquid industrial naphthalene Loading Pump (9), liquid industrial naphthalene entrucking pipeline (11) and off-grade backpass ductwork (14); The first described threeway plug valve, external two-way pipeline, wherein a road is solid industrial naphthalene finished product pipeline, is connected to original crude naphthalene pan tank, and follow-up connection solid industrial naphthalene cuts packaging facilities; Another road is described liquid industrial naphthalene finished product pipeline, is connected to described liquid industrial naphthalene loading groove top.The utility model freely can adjust crude naphthalene product storage types of transportation, simply and easily off-grade can be recycled to industrial naphthalene raw material groove, guarantee that outgoing product is up-to-standard, stop the generation of quality accident, whole production and storage and transport process safety, efficient, environmental protection, low consumption.
Description
Technical Field
The utility model relates to a coal chemical industry tar processing technology field specifically relates to a loading device is stored to liquid industry naphthalene.
Background
The coal tar is used as a main byproduct in coke production, the recovery rate of the coal tar is about 4.0 percent of the total amount of the blended coal, the coal tar mainly comprises aromatic hydrocarbon, the components of the coal tar exceed 1 ten thousand, but the content of substances with the content of more than 1 percent does not exceed 10, and the coal tar is a precious raw material for preparing plastics, synthetic fibers, dyes, synthetic rubber, pesticides, medicines, high-temperature resistant materials and national defense products.
Naphthalene is one of the most important fused ring aromatic hydrocarbons in the industry, is widely applied to the industries of producing phthalic anhydride, naphthalene water reducing agents, dye intermediates, rubber processing aids, insecticides, tanning agents and the like, is the most important product in the primary processing of high-temperature coal tar, and has higher added value. Naphthalene accounts for 8-12% of the total amount of the high-temperature coal tar according to the composition of the coking blending coal and the temperature of the space at the top of the coke oven. In the process of processing high-temperature coal tar, naphthalene mainly appears in the form of industrial naphthalene products, the purity of the naphthalene is more than or equal to 95.13%, the crystallization point is more than or equal to 77.5 ℃, and therefore the industrial naphthalene is white flaky crystals at normal temperature and is mainly loaded and sold in a bag type packaging mode. In the conventional industrial naphthalene production process, industrial naphthalene steam with the temperature of 218-225 ℃ is extracted from the top of a rectifying tower, cooled to 95-120 ℃ by a vaporization condensation cooler, enters a reflux column, flows to a finished product tank in a full flow manner, is cooled and scraped by a rotary drum crystallizer to form flaky solid industrial naphthalene, and is packaged by manual bagging. The process is mature and simple to operate, but has the great defects of high labor intensity of workers, high energy consumption, harsh working environment and the like. In addition, the primary coal tar processing industry enters a stage supply and demand condition at present, and along with the gradual elimination of the naphthalene water reducing agent, the industrial naphthalene market competition is increasingly violent, so that coal tar processing enterprises are forced to reduce the production cost, optimize the product structure, meet the requirements of downstream customers and improve the market competitiveness of the enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a loading device is stored to liquid industry naphthalene, the device can realize that the loading is stored to the industry naphthalene product liquefaction in the coal tar processing production, reduces worker intensity of labour, reduces the process energy consumption, improves operational environment, satisfies low reaches customer demand, promotes the market competition of coal tar processing enterprise.
The technical scheme of the utility model as follows:
the utility model discloses a liquid industry naphthalene storage and loading device, which comprises a first three-way plug valve 1, a liquid industry naphthalene loading groove 4, a tail gas collecting pipeline 6, a liquid industry naphthalene loading pump 9, a liquid industry naphthalene loading pipeline 11 and an unqualified product returning pipeline 14; wherein,
the first three-way plug valve 1 is connected with the liquid industrial naphthalene loading groove 4 sequentially through a liquid industrial naphthalene finished product pipeline 2 and a feeding pipeline 5;
the lower part of the side wall of the liquid industrial naphthalene loading tank 4 is connected with a liquid industrial naphthalene loading pump 9 through a discharge pipeline 17, and the outlet of the liquid industrial naphthalene loading pump 9 is respectively connected with a liquid industrial naphthalene loading pipeline 11 and an unqualified product returning pipeline 14 through pipelines and a second three-way plug valve 10; the liquid industrial naphthalene loading pipeline 11 and the unqualified product returning pipeline 14 are connected in parallel through a second three-way plug valve 10;
and the tail gas collecting pipeline 6 is arranged at the top of the liquid industrial naphthalene loading tank 4.
According to the utility model discloses a loading device is stored to liquid industry naphthalene, liquid industry naphthalene loading groove 4 inside sets up coil heater 7.
According to the utility model discloses a loading device is stored to liquid industry naphthalene, set up liquid industry naphthalene loading pump import pipeline plug valve 8 between liquid industry naphthalene loading groove 4 and the liquid industry naphthalene loading pump 9 set up steam between liquid industry naphthalene loading pump import pipeline plug valve 8 and the liquid industry naphthalene loading pump 9 and sweep pipeline 15.
According to the utility model discloses a loading device is stored to liquid industry naphthalene, set up sample valve 16 between liquid industry naphthalene loading pump 9 and the second three way plug valve 10.
According to the utility model discloses a loading device is stored to liquid industry naphthalene, liquid industry naphthalene finished product pipeline 2, liquid industry naphthalene loading pipeline 11, unqualified product loopback pipeline 14, discharge pipeline 17 and liquid industry naphthalene loading pump 9 and the pipeline between the second three way plug valve 10 all use steam sleeve, steam sleeve's inner tube latus rectum DN50 ~ DN100, outer tube latus rectum DN80 ~ DN 125.
According to the liquid industrial naphthalene storage and loading device, a solid industrial naphthalene finished product pipeline 3 is connected in parallel at the first three-way plug valve 1; the liquid industrial naphthalene loading pipeline 11 is connected to a liquid industrial naphthalene loading platform 13.
Specifically, according to the utility model discloses a loading device is stored to liquid industry naphthalene, preferred technical scheme is as follows:
according to the utility model discloses preferred, first three way cock valve be steam jacket three way cock valve to liquid industry naphthalene loading groove top is the horizontal reference face, relative height is 3 ~ 9 m.
According to the utility model discloses preferred, liquid industry naphthalene finished product pipeline 2 be steam sleeve, inner tube latus rectum DN50 ~ DN100, outer tube latus rectum DN80 ~ DN125, the horizontal slope 3 ~ 9, whole piece pipeline elbow bend sets up 1 ~ 3 of quantity. A steam purging pipeline and a control valve thereof are arranged behind the first three-way plug valve 1, and the drift diameter of the steam purging pipeline is DN 15-DN 50.
According to the utility model discloses preferred, liquid industry naphthalene loading groove 4 can be preferably vertical vault groove, the material can be plain carbon steel, capacity 100 supplyes 500m3And the pressure bearing capacity is 0.2-0.4 MPa. The top of the liquid industrial naphthalene loading tank 4 is provided with a feeding pipeline 5, the drift diameter is DN 50-DN 100, and the feeding pipeline is connected with the liquid industrial naphthalene finished product pipeline 2 by a flange; the feeding pipeline 5 vertically extends downwards in the liquid industrial naphthalene loading groove 4 to a position 0.2-0.5 m away from the bottom surface, the side wall of the pipeline is uniformly perforated along the vertical direction, and the aperture DN 20-DN 50 is arranged at an interval of 0.2-0.5 m. The inside coil heater 7 that sets up of liquid industry naphthalene loading groove 4, pipeline latus rectum DN50, import and export pipeline extend outside liquid industry naphthalene loading groove 4 to set up steam import and export control valve. The top of the liquid industrial naphthalene loading tank 4 is provided with a tail gas collecting pipeline 6 and a control valve, the pipeline drift diameter is DN 100-DN 200, and the tail gas collecting pipeline is connected to a tail gas purifying device, such as a venturi tail gas purifying device. The tail gas collecting pipeline is provided with a membrane type vacuum meter, and a DN20 heat tracing pipeline is arranged outside and is subjected to heat preservation treatment. The side wall of the liquid industrial naphthalene loading groove 4 is provided with a liquid level meter 18, the liquid level meter 18 adopts a steam jacket type magnetic turning plate liquid level meter and a double-flange differential pressure type liquid level meter, the side wall of the bottom surface is provided with a field thermometer and a remote transmission thermal resistor, and data signals of the double-flange differential pressure type liquid level meter and the remote transmission thermal resistor are introduced into a DCS system of a central control room. The lower part of the side wall of the liquid industrial naphthalene loading groove 4 is provided with a liquid industrial naphthalene outlet which is connected to an inlet control valve 8 of a liquid industrial naphthalene loading pump by a steam sleeve (a discharge pipeline 17). The liquid industrial naphthalene loading tank 4 is integrally insulated, the heat insulation material is asbestos plates or refractory heat insulation bricks, and aluminum plates are wrapped outside the heat insulation materials for heat insulation and waterproof treatment.
According to the utility model, the liquid industry naphthalene loading pump 9 is preferably a leakage-free explosion-proof magnetic force driving pump or a shielding electric pump, the inlet and outlet pipelines are steam sleeve pipes, the inlet pipeline (discharge pipeline 17) is provided with a steam sleeve two-way plug valve (namely the liquid industry naphthalene loading pump inlet control valve 8), the steam purging pipeline 15 and a control valve are arranged behind the valve, and the drift diameter is DN 20-DN 50; the outlet pipeline is provided with a second three-way plug valve 10, a sampling valve 16 is arranged in front of the valve, and the drift diameters DN 15-DN 25 are different. A flowmeter 12 is arranged on an outlet pipeline of the liquid industrial naphthalene-loaded truck, a mass flowmeter or a metal float flowmeter is adopted as the flow meter 12, and flow data are introduced into a DCS (distributed control system) of a central control room while field display is carried out.
According to the utility model, preferably, the second three-way plug valve 10 is externally connected with two paths of steam sleeves, wherein one path of pipeline is a liquid industrial naphthalene loading pipeline 11 and is connected to a liquid industrial naphthalene loading platform 13; the other is a reject product return line 14 connected to the industrial naphthalene feed tank.
According to the utility model discloses preferred, liquid industry naphthalene loading platform set up land fluid loading and unloading arm, land fluid loading and unloading arm pipeline be the steam jacket formula, be equipped with hydraulic pressure or spring power assisting device, liquid industry naphthalene loading pipe connection to land fluid loading and unloading arm pipeline. And a tank car static electricity removing device is arranged below the liquid industrial naphthalene loading platform.
The utility model has the advantages that:
1. the utility model discloses can freely adjust industry naphthalene product and store transportation form, change according to market in a flexible way and switch between liquid industry naphthalene product and solid industry naphthalene product.
2. The utility model discloses can retrieve sublimed naphthalene and naphthalene dust through tail gas collecting pipe, when improving the environment, reduce the loss of industry naphthalene product.
3. The utility model discloses can be simple and convenient loopback the nonconforming product to the former feed tank of industrial naphthalene, ensure that the product quality of sending out is qualified, stop the emergence of quality accident.
4. The utility model has the advantages of simple and reasonable structure, equipment input cost is low, and the operation is safe convenient, and worker low in labor strength is suitable for and utilizes on a large scale in close technology.
Drawings
Fig. 1 is a schematic structural diagram of the liquid industrial naphthalene storage and loading device of the present invention.
Reference numerals
1. A first three-way plug valve 2, a liquid industrial naphthalene finished product pipeline 3 and a solid industrial naphthalene finished product pipeline
4. Liquid industrial naphthalene loading tank 5, feeding pipeline 6 and tail gas collecting pipeline
7. Coil heater 8 and liquid industry naphthalene loading pump inlet pipeline plug valve
9. Liquid industry naphthalene loading pump 10, second three way plug valve 11, liquid industry naphthalene loading pipeline
12. Flowmeter 13, liquid industry naphthalene loading platform 14, unqualified product return pipe way
15. Steam purging pipeline 16, sampling valve 17 and discharging pipeline
18. Liquid level meter
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the liquid industrial naphthalene storage and loading device of the present invention comprises a first three-way plug valve 1, a liquid industrial naphthalene loading tank 4, a tail gas collecting pipeline 6, a liquid industrial naphthalene loading pump 9, a liquid industrial naphthalene loading pipeline 11 and an unqualified product returning pipeline 14; the first three-way plug valve 1 is connected with a liquid industrial naphthalene loading groove 4 sequentially through a liquid industrial naphthalene finished product pipeline 2 and a feeding pipeline 5; the lower part of the side wall of the liquid industrial naphthalene loading tank 4 is connected with a liquid industrial naphthalene loading pump 9 through a discharge pipeline 17, and the outlet of the liquid industrial naphthalene loading pump 9 is respectively connected with a liquid industrial naphthalene loading pipeline 11 and an unqualified product returning pipeline 14 through pipelines and a second three-way plug valve 10; the liquid industrial naphthalene loading pipeline 11 and the unqualified product returning pipeline 14 are connected in parallel through a second three-way plug valve 10; and the tail gas collecting pipeline 6 is arranged at the top of the liquid industrial naphthalene loading tank 4. And a coil heater 7 is arranged in the liquid industrial naphthalene loading tank 4. Set up liquid industry naphthalene loading pump import pipeline plug valve 8 between liquid industry naphthalene loading groove 4 and liquid industry naphthalene loading pump 9 set up steam purge pipeline 15 between liquid industry naphthalene loading pump import pipeline plug valve 8 and the liquid industry naphthalene loading pump 9. And a sampling valve 16 is arranged between the liquid industry naphthalene loading pump 9 and the second three-way plug valve 10. The pipeline between the liquid industrial naphthalene finished product pipeline 2, the liquid industrial naphthalene loading pipeline 11, the unqualified product returning pipeline 14, the discharging pipeline 17 and the liquid industrial naphthalene loading pump 9 and the second three-way plug valve 10 all use steam sleeves, and the inner pipe drift diameters DN 50-DN 100 and the outer pipe drift diameters DN 80-DN 125 of the steam sleeves.
The utility model discloses a loading device is stored to liquid industry naphthalene working method as follows:
in use, the first three-way plug valve is arranged at a full-flow pipeline of the industrial naphthalene reflux column and is externally connected with two pipelines, wherein one pipeline is a solid industrial naphthalene finished product pipeline and is connected to an original industrial naphthalene finished product tank, and the first three-way plug valve is subsequently connected with solid industrial naphthalene cutting and packaging equipment; the other path is the liquid industrial naphthalene finished product pipeline which is connected to the top of the liquid industrial naphthalene loading tank. Firstly, introducing low-pressure steam into a steam jacket of a liquid industrial naphthalene finished product pipeline 2 to preheat the pipeline, rotating a first three-way plug valve 1 after 1-2 hours, switching the flow direction of the liquid industrial naphthalene to the liquid industrial naphthalene finished product pipeline 2, and automatically flowing the liquid industrial naphthalene into a liquid industrial naphthalene loading groove 4 through the liquid industrial naphthalene finished product pipeline 2 under the action of potential energy difference; opening a control valve of a tail gas collecting pipeline 6 at the top of a liquid industrial naphthalene loading tank 4, introducing low-pressure steam into a heat tracing pipeline, starting a venturi tail gas purification device, and keeping the display suction force of a tail gas pipeline membrane type vacuum meter at 300-1000 Pa; and introducing low-pressure steam into a coil heater 7 of the liquid industrial naphthalene loading tank and a steam jacket of the magnetic turning plate liquid level meter, and keeping the temperature in the liquid industrial naphthalene loading tank to be 95-110 ℃.
Observing liquid level display in the liquid industrial naphthalene loading tank through a liquid level meter 18, and introducing low-pressure steam into a steam jacket of an inlet and outlet pipeline of a liquid industrial naphthalene loading pump and a steam sleeve plug valve (a liquid industrial naphthalene loading pump inlet pipeline plug valve 8) of the pipeline for preheating when the amount of the tank memory exceeds 40 t; commanding an outgoing tank car to align at a liquid industrial naphthalene loading platform after 1-2 hours, and installing a land fluid loading and unloading arm and a tank car static electricity removal device; rotating a second three-way plug valve 10, switching the flow direction of an outlet pipeline of the liquid industrial naphthalene loading pump to a liquid industrial naphthalene loading pipeline 11, opening a plug valve 8 of an inlet pipeline of the liquid industrial naphthalene, opening a sampling valve 16 behind the pump, closing the sampling valve 16 behind the pump after ensuring that a liquid loading pump 9 of the liquid industrial naphthalene is filled with liquid, and starting the liquid industrial naphthalene loading pump to load the liquid industrial naphthalene; in the loading process, the sampling valve is used for sampling and mixing for 2-3 times after the pump is pumped, and then quality inspection is carried out. After loading is finished, stopping running of a liquid industrial naphthalene loading pump, closing an inlet plug valve, emptying and evaporating condensed water, and opening a control valve of a steam purging pipeline 15 to perform pipeline purging in the tank car; and after the purging is finished, closing the steam purging pipeline control valve, and detaching the land fluid loading and unloading arm and the tank car static electricity removal device.
When the purity of the product in the liquid industrial naphthalene loading tank is less than 95.13%, low-pressure steam is introduced into a steam jacket of an inlet and outlet pipeline of the liquid industrial naphthalene loading pump, an unqualified loopback pipeline 14 and a steam jacket plug valve of the unqualified loopback pipeline 14 for preheating, the second three-way plug valve 10 is rotated, the flow direction of an outlet pipeline of the liquid industrial naphthalene loading pump is switched to the unqualified loopback pipeline 14, the plug valve 8 of the inlet pipeline of the liquid industrial naphthalene is opened, the sampling valve 16 after the pump is closed after the liquid industrial naphthalene loading pump 9 is filled with liquid is ensured, and the liquid industrial naphthalene loading pump is started to loop the unqualified product in the liquid industrial naphthalene loading tank back to the industrial. And after the back conveying is finished, stopping the operation of the liquid industrial naphthalene loading pump, closing the inlet plug valve, emptying steam condensate, and opening the steam purging pipeline control valve to perform pipeline purging in the industrial naphthalene raw material tank.
Example 1
A liquid industrial naphthalene storage and loading device comprises a first three-way plug valve 1, a liquid industrial naphthalene finished product pipeline 2, a liquid industrial naphthalene loading tank 4, a liquid industrial naphthalene loading pump 9, a second three-way plug valve 10 and a liquid industrial naphthalene loading platform 13; the first three-way plug valve 1 is arranged on a full-flow pipeline of the industrial naphthalene reflux column and is externally connected with two pipelines, wherein one pipeline is a solid industrial naphthalene finished product pipeline 3 and is connected to an original industrial naphthalene finished product tank, and then is connected with solid industrial naphthalene cutting and packaging equipment; the other path is the liquid industrial naphthalene finished product pipeline 2 which is connected to the top of the liquid industrial naphthalene loading tank 4. An outlet pipeline is arranged at the lower part of the side wall of the liquid industrial naphthalene loading groove 4 and is connected to the inlet pipeline plug valve 8 of the liquid industrial naphthalene loading pump, an outlet pipeline of the liquid industrial naphthalene loading pump 9 is provided with the second three-way plug valve 10 and is externally connected with two pipelines, wherein one pipeline is used as a liquid industrial naphthalene loading pipeline 11 and is connected to the liquid industrial naphthalene loading platform 13; the other is returned as reject product to line 14 and connected to the industrial naphthalene feed tank.
The first three-way plug valve 1 is a steam sleeve three-way plug valve, the top of the liquid industrial naphthalene loading groove 4 is used as a horizontal reference surface, and the relative height is 3 m.
The liquid industry naphthalene finished product pipeline 2 be steam sleeve pipe, inner tube latus rectum DN50, outer tube latus rectum DN80, the horizontal slope 3, whole piece pipeline quarter bend sets up 1 quantity. A steam purging pipeline and a control valve thereof are arranged behind the first three-way plug valve 1, and the drift diameter DN15 of the steam purging pipeline.
The liquid industrial naphthalene loading groove 4 is a vertical arch top groove made of plain carbon steel and has the volume of 100m3And the pressure bearing capacity is 0.2 MPa.
The top of the liquid industrial naphthalene loading tank 4 is provided with a feeding pipeline 5 with a drift diameter DN50 and is connected with a liquid industrial naphthalene finished product pipeline 2 by a flange; the feeding pipeline 5 vertically extends downwards in the liquid industrial naphthalene loading groove 4 to a position 0.2m away from the bottom surface, the side wall of the pipeline is uniformly perforated along the vertical direction, and the aperture DN20 is spaced by 0.2 m.
The liquid industry naphthalene loading groove 4 inside set up coil heater 7, pipeline latus rectum DN50, import and export the pipeline and extend in liquid industry naphthalene loading groove 4 outsidely to set up steam import and export control valve.
The top of the liquid industrial naphthalene loading tank 4 is provided with a tail gas collecting pipeline 6 and a control valve, the pipeline drift diameter DN100 is connected to a venturi tube tail gas purification device, the tail gas collecting pipeline 6 is provided with a membrane type vacuum meter, and a DN20 heat tracing pipeline is arranged outside and is subjected to heat preservation treatment.
The side wall of the liquid industrial naphthalene loading groove 4 is provided with a steam jacket type magnetic turning plate liquid level meter and a double-flange differential pressure type liquid level meter, the side wall of the bottom surface is provided with a field thermometer and a remote transmission thermal resistor, and data signals of the double-flange differential pressure type liquid level meter and the remote transmission thermal resistor are introduced into a DCS (distributed control system) of a central control room.
And a liquid industrial naphthalene outlet is formed in the side wall of the bottom surface of the liquid industrial naphthalene loading groove 4 and is connected to an inlet control valve 8 of a liquid industrial naphthalene loading pump by using a steam sleeve.
The liquid industrial naphthalene loading tank 4 is integrally insulated, the heat insulation material is an asbestos plate or a fireproof heat insulation brick, and an aluminum plate is coated outside the asbestos plate for heat insulation and waterproof treatment.
The liquid industrial naphthalene truck-mounted pump 9 is a leakage-free explosion-proof magnetic drive pump, and inlet and outlet pipelines are steam sleeves; the liquid industrial naphthalene truck pump inlet pipeline plug valve 8 is a steam sleeve two-way plug valve, a steam purging pipeline 15 and a control valve are arranged behind the valve, and the drift diameter DN20 is obtained; the outlet pipeline is provided with a second three-way plug valve 10, a sampling valve 16 and a drift diameter DN15 are arranged in front of the valve.
The outlet pipeline of the liquid industrial naphthalene loading pump 9 is provided with a mass flow meter 12, and flow data are introduced into a DCS (distributed control system) of a central control room while field display is carried out.
The second three-way plug valve 10 is externally connected with two paths of steam sleeves, wherein one path is a liquid industrial naphthalene loading pipeline 11 and is connected to a liquid industrial naphthalene loading platform 13; the other is a reject product return line 14 connected to the industrial naphthalene feed tank.
The liquid industrial naphthalene loading platform 13 is provided with a land fluid loading and unloading arm, and a pipeline of the land fluid loading and unloading arm is of a steam jacket type and is provided with a hydraulic or spring boosting device; the liquid industrial naphthalene loading pipeline 11 is connected to a land fluid loading arm pipeline. And a tank car static electricity removing device is arranged below the liquid industrial naphthalene loading platform 13.
Example 2
The liquid industrial naphthalene storage and loading device as in embodiment 1 is characterized in that the first three-way plug valve 1 takes the top of the liquid industrial naphthalene loading tank 4 as a horizontal reference surface, and the relative height is 6 m.
2 liquid industry naphthalene finished product pipeline inner tube latus rectum DN80, outer tube latus rectum DN100, the horizontal gradient 6, whole piece pipeline quarter bend sets up 2 in quantity, steam purge pipeline latus rectum DN 25.
The volume of the liquid industrial naphthalene loading tank 4 is 300m3And the pressure bearing capacity is 0.3 MPa.
The feed pipe 5 latus rectum DN80, vertically extend downwards in liquid industry naphthalene loading groove 4 to apart from the bottom surface 0.3m, the pipeline lateral wall is along the even trompil of vertical direction, aperture DN32, interval 0.3 m.
And the tail gas collecting pipeline 6 and the drift diameter DN150 of the control valve.
The liquid industrial naphthalene truck-mounted pump 9 is a non-leakage explosion-proof canned motor pump, an inlet steam purging pipeline 15 and a control valve drift diameter DN 32; outlet sample valve 16 is on gauge DN 20.
Example 3
The liquid industrial naphthalene storage and loading device as in embodiment 1 is characterized in that the first three-way plug valve 1 takes the top of the liquid industrial naphthalene loading tank 4 as a horizontal reference surface, and the relative height is 9 m.
2 inner tube latus rectum DN100 of liquid industry naphthalene finished product pipeline, outer tube latus rectum DN125, the horizontal grade 9, whole piece pipeline quarter bend sets up 3, steam purge pipeline latus rectum DN 50.
The volume of the liquid industrial naphthalene loading tank 4 is 500m3And the pressure bearing capacity is 0.4 MPa.
The feed pipeline 5 latus rectum DN100, vertically extend to 0.5m apart from the bottom surface in liquid industry naphthalene loading groove 4, the pipeline lateral wall is along the even trompil of vertical direction, aperture DN50, interval 0.5 m.
And the tail gas collecting pipeline 6 and the control valve drift diameter DN 200.
The steam purging pipeline 15 and the control valve drift diameter DN50 are arranged at the inlet of the liquid industrial naphthalene loading pump 9; outlet sample valve 16 is on gauge DN 25.
Naturally, the present invention can be embodied in many different forms without departing from the spirit and the essential attributes thereof, and it is intended that all such modifications and variations that fall within the spirit and scope of the appended claims be embraced by the present invention.
Claims (6)
1. The liquid industrial naphthalene storage and loading device is characterized by comprising a first three-way plug valve (1), a liquid industrial naphthalene loading groove (4), a tail gas collecting pipeline (6), a liquid industrial naphthalene loading pump (9), a liquid industrial naphthalene loading pipeline (11) and an unqualified product returning pipeline (14); wherein,
the first three-way plug valve (1) is connected with the liquid industrial naphthalene loading groove (4) sequentially through a liquid industrial naphthalene finished product pipeline (2) and a feeding pipeline (5);
the lower part of the side wall of the liquid industrial naphthalene loading groove (4) is connected with a liquid industrial naphthalene loading pump (9) through a discharge pipeline (17), and the outlet of the liquid industrial naphthalene loading pump (9) is respectively connected with a liquid industrial naphthalene loading pipeline (11) and an unqualified product returning pipeline (14) through a pipeline by a second three-way plug valve (10); the liquid industrial naphthalene loading pipeline (11) and the unqualified product returning pipeline (14) are connected in parallel through a second three-way plug valve (10);
the tail gas collecting pipeline (6) is arranged at the top of the liquid industrial naphthalene loading groove (4).
2. The liquid industrial naphthalene storage truck-loading device according to claim 1, characterized in that a coil heater (7) is arranged inside the liquid industrial naphthalene truck-loading tank (4).
3. The liquid industrial naphthalene storage and loading device according to claim 1, wherein a liquid industrial naphthalene loading pump inlet pipeline plug valve (8) is arranged between the liquid industrial naphthalene loading tank (4) and the liquid industrial naphthalene loading pump (9), and a steam purging pipeline (15) is arranged between the liquid industrial naphthalene loading pump inlet pipeline plug valve (8) and the liquid industrial naphthalene loading pump (9).
4. The liquid industrial naphthalene storage truck-loading device according to claim 1 or 3, characterized in that a sampling valve (16) is arranged between the liquid industrial naphthalene truck-loading pump (9) and the second three-way plug valve (10).
5. The industrial liquid naphthalene storage and loading device as claimed in claim 1, wherein a steam sleeve is used for the pipeline (2) for finished industrial liquid naphthalene products, the pipeline (11) for loading industrial liquid naphthalene, the pipeline (14) for returning unqualified products, the discharge pipeline (17) and the pipeline between the pump (9) for loading industrial liquid naphthalene and the second three-way plug valve (10), and the inner pipe drift diameter DN 50-DN 100 and the outer pipe drift diameter DN 80-DN 125 of the steam sleeve are respectively.
6. The liquid industrial naphthalene storage and loading device according to claim 1, characterized in that a solid industrial naphthalene finished product pipeline (3) is connected in parallel at the first three-way plug valve (1); the liquid industrial naphthalene loading pipeline (11) is connected to the liquid industrial naphthalene loading platform (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520134850.0U CN204529295U (en) | 2015-03-10 | 2015-03-10 | A kind of liquid industrial naphthalene stores loading apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134850.0U CN204529295U (en) | 2015-03-10 | 2015-03-10 | A kind of liquid industrial naphthalene stores loading apparatus |
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| CN204529295U true CN204529295U (en) | 2015-08-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773698A (en) * | 2015-03-10 | 2015-07-15 | 山东钢铁股份有限公司 | Liquid technical naphthalene storing and loading device and storing and loading method |
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2015
- 2015-03-10 CN CN201520134850.0U patent/CN204529295U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773698A (en) * | 2015-03-10 | 2015-07-15 | 山东钢铁股份有限公司 | Liquid technical naphthalene storing and loading device and storing and loading method |
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