CN215206540U - Pentane storage conveying equipment - Google Patents

Abstract

The utility model discloses a pentane storage and conveying device, wherein an inner barrel outer cushion plate is sleeved on the outer side wall of an inner barrel, a jacket end socket and an inner end socket are respectively arranged at two ends of the inner barrel, and a first lower shaft and a second lower shaft are arranged on the upper end surface of the inner barrel; the upper end of the first lower shaft is provided with a first upper shaft, the first upper shaft is connected with the first lower shaft through a first lower angle steel ring, the upper end of the first upper shaft is provided with a first upper angle steel ring, the upper end of the second lower shaft is provided with a second upper shaft, the second upper shaft is connected with the second lower shaft through a second lower angle steel ring, the upper end of the second upper shaft is provided with a second upper angle steel ring, the first lower shaft is connected with the second lower shaft through a cable channel, the side wall of the inner barrel is provided with a pipe orifice part, and the inner barrel is further provided with a nameplate frame and a lifting lug. The effect is as follows: simple structure, the processing cost is low, and storage conveying efficiency is high, and the security is showing and is promoting.

Description

Pentane storage conveying equipment

Technical Field

The utility model relates to a chemical industry equipment technical field involves polyurethane foaming process, concretely relates to pentane storage conveying equipment.

Background

The blowing agent used in the original process is HCFC141B, along with the international requirement on environmental protection, the country restricts the production and use of blowing agents such as HCFC141B, the market price of the HCFC141B blowing agent is higher and higher, and enterprises are forced to replace HCFC141B with pentane: the technology is mainly applied to polyurethane foaming of refrigerator body door bodies, polyurethane energy-saving plate production, and polyurethane foaming process links for manufacturing automobile instrument panels and seats. The pentane is safely stored and conveyed to the polyurethane foaming equipment.

At present, the pentane storage and conveying equipment is provided with 25m underground 3m³-35m³The storage tanks, cyclopentane (C5H10), n-pentane (C5H12) and isopentane all belong to dangerous chemicals and are flammable and explosive. Compared with bulk barrel materials, the production cost can be reduced, and the method is relatively safe. These devices still suffer from a number of safety and design deficiencies;

1. the existing manufacturer designs and uses the pressure container of the underground storage tank, the tank cleaning detection is needed in 3 years according to the national pressure container safety technical supervision regulation, dangerous chemical pentane in the container must be removed due to the detection, the construction cost needs to be paid by about 10 ten thousand yuan each time, the removal period, the detection addition and the equipment installation recovery are carried out, and the production is stopped for 12 days totally.

2. The saturation vapor pressure of the media cyclopentane (C5H10), n-pentane (C5H12) and isopentane is shown in the table below, with the breathing valve pressure on the tank set too low (240mbUr ═ 0.024 mpU):

the saturated vapor pressures of the three blowing agents commonly used above are 2.22 times (0.0533 ÷ 0.024 ═ 2.22) and 3, respectively, the positive pressure opening pressure of the existing breather valve. 304 times (0.07931 ÷ 0.024 ═ 3.304). This results in the constant outward emission of combustible gases during the storage of pentane, which may cause a backfire explosion if exposed to open flames, as air may enter at night or in the case of temperatures below the saturation vapour pressure in the autumn and winter. In addition, the storage tank reaches the saturated vapor pressure temperature underground, and pentane gas can be continuously discharged through the breather valve, so that waste and atmospheric environment pollution are caused.

3. A flame arrester is not designed and installed at a gas phase port of an existing storage tank, and potential safety hazards exist.

4. Existing design storage tanks do not have a nitrogen filling device.

5. And the discharging positions of some devices are connected with a tank car grounding wire, and a grounding detection device for detecting whether grounding is reliable or not is not provided, so that potential safety hazards exist during discharging.

6. The existing equipment is not provided with a site fire remote emergency cut-off control device at the terminal of pentane metering equipment. Security precautions have drawbacks.

7. The output of some devices pentane is single pump working, the output flow is unstable, and the output pressure is only 0. Below 2MpU, the pump will fail and cause the current shutdown.

8. Some equipment storage tanks only have a manhole, and are difficult to overhaul or clear away dangerous chemicals when the equipment needs to be operated, so that a large potential safety risk exists.

9. The existing pentane equipment does not randomly display a dynamic process flow state diagram, so that whether the equipment has a fault or not can not be found in time, namely the equipment has the fault, and the part and the reason of the fault can not be accurately judged.

10. The range of the existing pentane equipment flammable and explosive area (EX-1) is 100-²The area of the flammable and combustible area is too large, and the detection and prevention are difficult.

11. In the existing pentane equipment engineering, the distance between the edge of an equipment storage tank and a peripheral equipment operation room and a building is less than 25m (12.5 m of an underground storage tank), and the requirement of the national standard GB50016-2006 for the fire protection code of building design is not met. And does not meet the requirement of 15m spacing of the design fire standard of petrochemical enterprises in GB 50160-2008.

12. The existing traditional pentane storage tank is a single-layer container, can not realize the automatic detection of the leakage of the container,

13. some pentane storage tanks are unreasonably installed underground, and stress concentration is easily generated to cause storage tank damage. And when the water level at the basic position of the storage tank is increased, the storage tank is damaged by floating.

14. Some pentane equipment engineering does not install a lightning rod and an anti-static grounding grid, and potential safety hazards exist.

15. Some pentane equipment projects are not provided with fire hydrants and are provided with corresponding fire-fighting equipment. Does not meet the fire safety requirements.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a pentane storage conveying equipment to solve the above-mentioned problem among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

according to the first aspect of the utility model, the utility model discloses a pentane storage and conveying device, wherein the outer side wall of the inner cylinder body is sleeved with an inner cylinder outer backing plate, the two ends of the inner cylinder body are respectively provided with a jacket end socket and an inner end socket, and the upper end surface of the inner cylinder body is provided with a first lower shaft and a second lower shaft; the upper end of the first lower shaft is provided with a first upper shaft, the first upper shaft is connected with the first lower shaft through a first lower angle steel ring, the upper end of the first upper shaft is provided with a first upper angle steel ring, the upper end of the second lower shaft is provided with a second upper shaft, the second upper shaft is connected with the second lower shaft through a second lower angle steel ring, the upper end of the second upper shaft is provided with a second upper angle steel ring, the first lower shaft is connected with the second lower shaft through a cable channel, the side wall of the inner barrel is provided with a pipe orifice part, and the inner barrel is further provided with a nameplate frame and a lifting lug. The effect is as follows: simple structure, the processing cost is low, and storage conveying efficiency is high, and the security is showing and is promoting.

The interlayer ethylene glycol leakage detection device comprises a wiring terminal isolation block, an electrode copper bar, a waterproof joint, an aluminum connector, an electrode isolation cover, a fastening screw, an ethylene glycol liquid storage tank, a fastening nut, a fastening flat washer, a conducting ring, a polypropylene insulating guide pillar, a support sleeve, a stainless steel floater, a galvanized flat washer and a galvanized nut; the stainless steel electrode comprises an ethylene glycol liquid storage tank, a supporting sleeve is sleeved on the outer peripheral side of the polypropylene insulating guide column, the lower end of the polypropylene insulating guide column is provided with a stainless steel float through a galvanized flat washer and a galvanized nut, and the upper end of the polypropylene insulating guide column is provided with a wiring terminal isolation block, an electrode copper rod, a waterproof joint, an aluminum connector, an electrode isolation cover, a fastening screw, a fastening nut, a fastening flat washer and a conducting ring.

Further, the oil-lubricated breather valve comprises an oil-lubricated breather valve body, wherein the oil-lubricated breather valve body comprises a first inner hexagonal screw, a pressure valve seat assembly, a vacuum valve disc assembly, a first O-shaped ring, a vacuum valve spool shaft, a pressing elbow, an air suction leading-out pipe, a vacuum valve seat assembly, a valve spool sealing gasket, a stainless steel flange plate, a pressure regulating bolt, a second inner hexagonal screw, a pressure regulating lubrication upper cover, a second O-shaped ring, a third O-shaped ring, a pressure regulating spring seat, a spring middle supporting ring, a cylindrical spring, a third inner hexagonal screw, a first spring washer, a plunger guiding belt, an air outlet welding pipe, a fourth inner hexagonal screw, a pressure valve disc assembly, a small lubricating oil pipe assembly, a port nut, a lubricating oil cup, an oil cup welding head, a fourth O-shaped ring, a spring pressing cylinder assembly, a fifth O-shaped ring, a sealing inner ring, a fifth inner hexagonal screw and a second spring washer.

Further, still include pneumatic control panel, pneumatic control panel includes cutting ferrule formula soldered connection, sixth O type circle, cutting ferrule joint, connects valve joint, brass ball valve, mends the core joint, first straight-through joint, right angle joint, zinc-plated tee bend, to smooth pipe of silk, first accurate pressure reducer, gas connection, first five mouthful of two-position solenoid valve, second five mouthful of two-position solenoid valve, two-position two-way solenoid valve, zinc-plated takeover, elbow, lock female formula joint, air supply processing two allies oneself with piece, the accurate pressure reducer of second and second straight-through joint.

The ground detection control device of the tank car comprises an explosion-proof junction box, a red explosion-proof indicator lamp, a green button, a safety grid, an electric appliance clamping rail, a set of screws, a relay, a fixed bent plate, a cable fixing rod, a cable, a ground clamp and a fixed angle steel; the explosion-proof junction box is provided with the red explosion-proof indicator lamp, the green button, the safety grid, the electric appliance clamping rail, the set screw, the relay, the fixed bent plate, the cable fixing rod, the cable, the grounding clamp and the fixed angle steel.

Further, the n-pentane storage tank is of a double-layer structure, and the working pressure in the n-pentane storage tank is less than 0.1 MpU.

Furthermore, the n-pentane storage tank is designed into a sandwich structure, and ethylene glycol is filled in the sandwich structure.

Further, the n-pentane storage tank is horizontally mounted.

Further, the device also comprises a nitrogen gas charging device which is used for charging the n-pentane storage tank.

Further, the oil-lubricated breather valve is installed at the height of 4.2 meters from the ground of the positive pentane storage tank, the positive pressure is adjusted to be 0.095MpU, the discharge is started, and the negative pressure is adjusted to be-0.0025 MpU.

The utility model has the advantages of as follows: through the utility model discloses a pentane storage conveying equipment, simple structure, the processing cost is low, and storage conveying efficiency is high, and the security is showing and is promoting.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a front view of a n-pentane storage tank of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 2 is a top view of a n-pentane storage tank of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 3 is a left view of a n-pentane storage tank of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 4 is a right side view of a n-pentane storage tank of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 5 is a structural diagram of an interlayer glycol leak detection device of pentane storage and transportation equipment according to some embodiments of the present invention.

Fig. 6 is a front view of an oil-lubricated breather valve of pentane storage and delivery equipment according to some embodiments of the present invention.

Fig. 7 is a side view of an oil-lubricated breather valve of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 8 is a top view of an oil-lubricated breather valve of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 9 is a front view of a pneumatic control panel of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 10 is a side view of a pneumatic control panel of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 11 is a side view of a pneumatic control panel of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 12 is a front view of a tank car grounding detection control device of pentane storage and conveying equipment according to some embodiments of the present invention.

Fig. 13 is a side view of a tank car grounding detection control device of pentane storage and transportation equipment according to some embodiments of the present invention.

Fig. 14 is a schematic diagram of an n-pentane station of a pentane storage and transportation apparatus according to some embodiments of the present invention.

Fig. 15 is a partial structural view of a n-pentane station of a pentane storage and transportation apparatus according to some embodiments of the present invention.

Fig. 16 is a flow chart of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 17 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 18 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 19 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 20 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 21 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 22 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 23 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 24 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 25 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 26 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

Fig. 27 is a circuit control diagram of a pentane storage and delivery apparatus according to some embodiments of the present invention.

In the figure: 101. jacket end socket, 102, inner end socket, 103, first lower shaft, 104, first lower angle steel ring, 105, first upper shaft, 106, first upper angle steel ring, 107, nameplate frame, 108, cable channel, 109, inner cylinder, 110, lifting lug, 111, second upper shaft, 112, second upper angle steel ring, 113, second lower angle steel ring, 114, second lower shaft, 115, inner cylinder outer backing plate, 116, nozzle part, 201, connecting terminal isolation block, 202, electrode copper bar, 203, waterproof joint, 204, aluminum connector, 205, electrode isolation cover, 206, fastening screw, 207, ethylene glycol storage tank, 208, fastening nut, 209, fastening flat gasket, 210, conductive ring, 211, polypropylene insulation guide column, 212, support sleeve, 213, stainless steel float, 214, galvanized flat gasket, 215, galvanized nut, 301, first inner hexagon screw, 302, pressure valve seat assembly, 303, pressure valve seat assembly, and cable channel, A vacuum valve disc assembly, 304, a first O-ring, 305, a vacuum valve core shaft, 306, a pressing elbow, 307, a suction outlet pipe, 308, a vacuum valve seat assembly, 309, a valve core sealing gasket, 310, a stainless steel flange plate, 311, a pressure regulating bolt, 312, a second inner hexagonal screw, 313, a pressure regulating lubricating upper cover, 314, a second O-ring, 315, a third O-ring, 316, a pressure regulating spring seat, 317, a spring middle supporting ring, 318, a cylindrical spring, 319, a third inner hexagonal screw, 320, a first spring washer, 321, a plunger guide belt, 322, an air outlet welding pipe, 323, a fixed spring seat, 324, a fourth inner hexagonal screw, 325, a pressure guide pillar, 326, a pressure valve disc assembly, 327, a lubricating small oil pipe assembly, 328, a port nut, 329, a lubricating oil cup, 330, an oil cup welding joint, 331, a fourth O-ring, 332, a spring pressure cylinder assembly, 333, a fifth O-ring, 334. a sealing inner ring, 335, a fifth inner hexagon screw, 336, a second spring washer, 401, a cutting sleeve type welding joint, 402, a sixth O-shaped ring, 403, a cutting sleeve joint, 404, a valve joint, 405, a brass ball valve, 406, a bushing joint, 407, a first straight joint, 408, a right-angle joint, 409, a galvanized three-way joint, 410, a screw slide pipe, 411, a first precise pressure reducer, 412, an air joint, 413, a first five-port two-position electromagnetic valve, 414, a second five-port two-position electromagnetic valve, 415, a two-position two-way electromagnetic valve, 416, a galvanized connecting pipe, 417, an elbow, 418, a locking nut type joint, 419, an air source processing two-way piece, 420, a second precise straight joint, 421, a second joint, 501, an explosion-proof connection box, 502, a red explosion-proof indicator lamp, 503, a green indicator lamp, 504, a green button, 505, a safety barrier, 506, a clamping rail, 507, a set of electric appliances, 508, a sixth O-ring, a 403, a clamping joint, a, The device comprises a relay 509, a fixed bent plate 510, a cable fixing rod 511, a cable 512, a grounding clamp 513 and a fixed angle steel.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the pentane storage and transportation apparatus in an embodiment of the first aspect of the present invention includes a n-pentane storage tank, where the n-pentane storage tank includes a jacket sealing head 101, an inner sealing head 102, a first lower wellbore 103, a first lower angle steel ring 104, a first upper wellbore 105, a first upper angle steel ring 106, a nameplate frame 107, a cable channel 108, an inner cylinder 109, a lifting lug 110, a second upper wellbore 111, a second upper angle steel ring 112, a second lower angle steel ring 113, a second lower wellbore 114, an inner cylinder outer pad 115, and a nozzle part 116; an inner cylinder outer cushion plate 115 is sleeved on the outer side wall of the inner cylinder 109, a jacket end socket 101 and an inner end socket 102 are respectively arranged at two ends of the inner cylinder 109, and a first lower shaft 103 and a second lower shaft 114 are arranged on the upper end face of the inner cylinder 109; the upper end of the first lower shaft 103 is provided with a first upper shaft 105, the first upper shaft 105 is connected with the first lower shaft 103 through a first lower angle steel ring 104, the upper end of the first upper shaft 105 is provided with a first upper angle steel ring 106, the upper end of the second lower shaft 114 is provided with a second upper shaft 111, the second upper shaft 111 is connected with the second lower shaft 114 through a second lower angle steel ring 113, the upper end of the second upper shaft 111 is provided with a second upper angle steel ring 112, the first lower shaft 103 is connected with the second lower shaft 114 through a cable channel 108, the side wall of the inner cylinder 109 is provided with a pipe orifice part 116, and the inner cylinder 109 is further provided with a nameplate frame 107 and a lifting lug 110.

The technical effects achieved by the above embodiment are as follows: through the pentane storage and conveying equipment of this embodiment, simple structure, the processing cost is low, and storage conveying efficiency is high, and the security is showing and is promoting.

Optionally, as shown in fig. 5, in some embodiments, the sandwich glycol leak detection device is further included, and the sandwich glycol leak detection device includes a terminal block 201, an electrode copper rod 202, a waterproof connector 203, an aluminum connector 204, an electrode shield 205, a fastening screw 206, a glycol tank 207, a fastening nut 208, a fastening flat washer 209, a conductive ring 210, a polypropylene insulating guide pillar 211, a support sleeve 212, a stainless steel float 213, a galvanized flat washer 214, and a galvanized nut 215; a polypropylene insulating guide pillar 211 is arranged in the ethylene glycol storage tank 207, a support sleeve 212 is sleeved on the outer peripheral side of the polypropylene insulating guide pillar 211, a stainless steel floater 213 is installed at the lower end of the polypropylene insulating guide pillar 211 through a galvanized flat washer 214 and a galvanized nut 215, and a wiring terminal isolation block 201, an electrode copper bar 202, a waterproof joint 203, an aluminum connector 204, an electrode isolation cover 205, a fastening screw 206, a fastening nut 208, a fastening flat washer 209 and a conductive ring 210 are arranged at the upper end of the polypropylene insulating guide pillar 211.

Optionally, as shown in fig. 6 to 8, in some embodiments, the breather valve further includes an oil-lubricated breather valve, where the oil-lubricated breather valve includes a first socket head cap screw 301, a pressure valve seat assembly 302, a vacuum valve disk assembly 303, a first O-ring 304, a vacuum valve core shaft 305, a pressing elbow 306, an air suction outlet pipe 307, a vacuum valve seat assembly 308, a valve core sealing gasket 309, a stainless steel flange plate 310, a pressure regulating bolt 311, a second socket head cap screw 312, a pressure regulating lubrication upper cover 313, a second O-ring 314, a third O-ring 315, a pressure regulating spring seat 316, a spring middle supporting ring 317, a cylindrical spring 318, a third socket head cap screw 319, a first spring washer 320, a plunger guide strip 321, an air outlet welding pipe 322, a fixed spring seat 323, a fourth socket head cap screw 324, a pressure valve disk guide post 325, a pressure valve disk assembly 326, a lubrication small oil pipe assembly 327, a port nut 328, and a lubricating oil cup 329, An oil cup welding head 330, a fourth O-ring 331, a spring barrel assembly 332, a fifth O-ring 333, a sealing inner ring 334, a fifth socket head cap screw 335, and a second spring washer 336.

Optionally, as shown in fig. 9 to 11, in some embodiments, a pneumatic control panel is further included, and the pneumatic control panel includes a ferrule type welding head 401, a sixth O-ring 402, a ferrule type joint 403, a valve joint 404, a brass ball valve 405, a bushing type joint 406, a first straight joint 407, a right-angle joint 408, a galvanized three-way joint 409, a wire-to-wire sliding pipe 410, a first precision pressure reducer 411, an air joint 412, a first five-port two-position solenoid valve 413, a second five-port two-position solenoid valve 414, a two-position two-way solenoid valve 415, a galvanized connecting pipe 416, an elbow 417, a lock nut type joint 418, an air supply processing two-link 419, a second precision pressure reducer 420, and a second straight joint 421.

Optionally, as shown in fig. 12 to 13, in some embodiments, the system further includes a tank car ground detection control device, where the tank car ground detection control device includes an explosion-proof junction box 501, a red explosion-proof indicator lamp 502, a green indicator lamp 503, a green button 504, a safety barrier 505, an electrical apparatus clamping rail 506, a set screw 507, a relay 508, a fixed bent plate 509, a cable fixing rod 510, a cable 511, a ground clamp 512, and a fixed angle steel 513; the explosion-proof junction box 501 is provided with a red explosion-proof indicator lamp 502, a green indicator lamp 503, a green button 504, a safety grid 505, an electrical apparatus clamping rail 506, a set screw 507, a relay 508, a fixed bent plate 509, a cable fixing rod 510, a cable 511, a grounding clamp 512 and a fixed angle steel 513.

Alternatively, as shown in fig. 1-27, in some embodiments, the n-pentane storage tank is a double-layer structure, and the working pressure in the n-pentane storage tank is less than 0.1 MpU.

Alternatively, as shown in fig. 1 to 27, in some embodiments, the n-pentane reservoir is designed as a sandwich structure, and the sandwich is filled with ethylene glycol.

Alternatively, as shown in fig. 1-27, in some embodiments, the n-pentane storage tank is mounted horizontally.

Optionally, as shown in fig. 1 to 27, in some embodiments, a nitrogen gas charging device is further included, and the nitrogen gas charging device is used for charging the n-pentane storage tank.

Alternatively, as shown in fig. 1-27, in some embodiments, the positive pentane storage tank is equipped with an oil-lubricated breather valve at a height of 4.2 meters above the ground, the positive pressure is adjusted to 0.095MpU to open the discharge, and the negative pressure is adjusted to-0.0025 MpU.

In the above alternative embodiments, the following needs to be explained.

Firstly, a ground surface: the road surface of the inside and outside tank cars is built according to the load bearing design of the 35T tank car; the elevation of the tank car pavement and the in-station pavement is +/-000, and the position size is determined without being submerged by +/-000 of the elevation; the thickness of the rest hardened ground concrete ground is 100, and the rest hardened ground concrete ground is excessively connected with the slope of the road surface outside the station; the drainage ditch in the station is covered with a permeable plastic cover plate according to the requirement of the figure.

Secondly, a pentane storage tank pit foundation: the pit reinforced concrete pool wall thickness is 250 for reference only, and the concrete structure is required to be free from distortion, deformation and cracks after being solidified, and the waterproof sealing is reliable; 4 pieces of 40-4 flat steel are arranged at four corners near the pit and welded with pit body concrete steel bars to form grounding electrodes, and the other end of the flat steel is welded on the outer wall of the tank body after the tank is installed and positioned; constructing a storage tank foundation pit and a monitoring room house, embedding various pipelines after the storage tank is installed in the pit, pouring 10000x3500x550 concrete cover with the water displacement of about 42 tons after checking, making a 35 ton tank car pavement which is 250 thick for a reinforced concrete structure and only used for reference, and making all hardened pavements in a pentane station, wherein the hardened pavements are 100 thick and only used for reference; the yellow sand of the landfill tank is high-quality big sand without soil, the maximum particle is not more than 4mm, and the amount of the yellow sand required by the landfill of the tank is 52 m; after the foundation pit is made, high-quality yellow sand 280 is laid at the bottom of the foundation pit and keeps basically horizontal, and the output end of the foundation pit can slightly be 10mm lower than the filling end in the length of 9500 (measured by a level gauge); 50 by 5 angle steels around the shaft are concrete foundation cover planes, the concrete foundation covers the planes, the concrete foundation is placed in the pit, the horizontal and vertical errors are (1.5/1000) after the storage tank is positioned by sand, and then the periphery of the concrete foundation is filled with sand in a balanced manner; after the tank body is arranged in the pit, the axis of the correction tank body is coincided with the axis of the pit, the interval between the bus and the two sides of the pit is equal, the axial level of the tank body is detected by a level gauge, and the condition that the output end of a manhole cover is slightly lower than the manhole cover end of a filling end by 10mm is adjusted to be qualified; adjusting the non-perpendicularity of the plane axis of the tank manhole cover to be not more than 2/1000; after the tank body is positioned, the two sides of the tank body can be evenly filled with yellow sand, and the tank grounding electrode is welded; filling yellow sand on two sides, tamping by using a wooden stick, manually treading and filling to the height required by the drawing; the reinforced concrete structure of the pot foundation pit cover of the storage tank is 550 × 3500 × 10000, cracks and depressions can not be formed, the waterproof sealing is reliable, rainwater can be prevented from permeating into the pit, and a DN150PVC moisture-removing air pipe is arranged at the diagonal position of the pit; the basic cover has no water accumulation, distortion, deformation and other defects, and has 1.5% slope antiskid water draining lines.

Thirdly, pre-embedding the parts, lightning rod and grounding pile: the lightning rod and the grounding pile are designed according to the national standard specification, and the positions and the number of the lightning rod and the grounding pile are designed according to the national standard specification; the resistance value of all the grounding piles is not more than 5 ohms; all metal parts are welded, fastened by bolts and reliably grounded; additionally driving a grounding pile by the lightning rod, connecting the grounding pile with a grounding grid of the grounding pile, and welding the grounding pile with all the concrete reinforcement net racks; the position of the outdoor illuminating lamp in the station is connected with the monitoring room through an explosion-proof pipeline (3/4 galvanized pipe).

And fourthly, fire-fighting equipment and fire hydrants are determined according to national fire-fighting standards, and the number of the arrangement positions is determined by a local fire department.

Fifthly, operating room: chamber height of 3200 a with area of 4000 x 6000; the roof is inclined at 120 degrees, and water is drained from two symmetrical slopes; one G1/2' water tap, one water pool 450, one eye washer are arranged in the room; a cold and warm 3, 2P split air conditioner is arranged in the room; d3 + 10+1 + 10 cable is inserted into G1-1/2' galvanized pipe and led into room; one indoor power switch box is provided, one lighting switch box is provided, one LED fluorescent lamp is provided, and two explosion-proof lamps are provided under the indoor shed; electric fan

One air conditioner socket, two five-hole sockets and two external line telephonesA section; the number of the door and window positions is designed according to the figure, and the window is used as an aluminum alloy push-pull structure.

Sixthly, sun-shading and rain-proof shed: specification of the sunshade canopy: 11520x4600x height 4600. Mounting and welding the embedded iron; after civil engineering is basically completed, a sunshade and rainproof shed is installed according to field conditions before equipment is installed, and a gap is reserved at the position of a breather valve.

Seventhly, power pipeline pipe supports of the pentane station, a cable bridge frame: each power pipeline is installed and led into the monitoring room through a pipeline bracket cable bridge; the power pipeline and the cable of the equipment are used as pipeline supports and are arranged from the monitoring room to the equipment output well.

Eighthly, controlling the n-pentane station storage output device and the workshop premixing station: controlling a normal pentane station storage output device and a workshop premixing station; the two premixing stations can control the leakage of the premixing stations, the pentane output pump is cut off by the emergency breaking switch, and the output valve is closed.

25m built in 6 months in 2020³Pentane storage and conveying equipment, and provides pentane storage and conveying equipment and engineering complete technology.

25m³The complete set of scheme design of pentane storage device and pentane station, equipment are installed in pentane station, and pentane station overall arrangement is according to national standard GB50016-2006 'architectural design fire prevention standard and GB 50160-2008' petrochemical industry enterprise design fire prevention standard design, and pentane station configuration: the device comprises a lightning rod, a fire hydrant and a tank car discharging parking space.

The main design content comprises: 75m sand filling around operation room, storage tank pit foundation, tank car road surface and storage tank³The rain-proof and sun-proof shed comprises a lightning rod, a grounding grid, a power cable (three-phase five-wire 6Kw), compressed air (DN25-PN8), nitrogen (DN20-PN8), a tap water pipeline (DN20-PN4), a fire pipeline, a fire hydrant and a rain-proof and sun-proof shed at the positions of the fire hydrant and the storage tank, and is covered with a drawing of a map of a design institute according to the national standard GB50016-2006 building design fire standard to the local fire branch team to handle the fire audit of the building, and is informed to the local safety production supervision and administration for record according to the national safety production law, the national institute 591 order hazardous chemical safety management regulations and the national standard GB18218-2018 major hazard source identification standard.

Underground 25m³The pentane storage tank is implemented according to the national pressure vessel standard GB150.1-4-2011, the vessel is of a double-layer structure, and the pressure is designed: 0.3MpU, the operating pressure is 0.095MpU, the interlayer is normal pressure (UTM), the pressure container is classified as extra-class, the design service life is 20 years, the operating pressure of the inner cylinder of the container is less than 0.1MpU, the container omits periodic detection, the cost of removing hazardous chemicals can be saved by about 10 ten thousand yuan each time, and the production can not be stopped, thus the production cost of enterprises using equipment is reduced, and the production efficiency is improved.

The interlayer structure designed for the storage tank is used for filling glycol (suitable for local automobile antifreeze) in an interlayer to automatically monitor whether the inner cylinder and the outer cylinder of the container leak or not, once the glycol automatic detection device leaks, an audible and visual alarm is given immediately, no matter the inner cylinder leaks or the outer cylinder leaks, pentane cannot leak and diffuse outside the container, and the inner cylinder and the outer cylinder cannot simultaneously break and leak in normal conditions, so once the glycol leakage alarm occurs, measures are immediately taken to clear dangerous chemical pentane within 96 hours, and the safety state is completely ensured and controlled (except for factors which cannot be resisted by geological disasters or artificial damages).

The pentane storage tank is horizontally installed, an injection well manhole cover and an output well manhole cover are respectively designed at two ends of the pentane storage tank, the horizontal area (Ex-1) of an injection well is 1100x1100mm, the horizontal area (Ex-1) of an output well is 1100x1500mm, the flammable and explosive (Ex-1) area is controlled in a small range, the outer surface of the storage tank is subjected to two-cloth three-oil epoxy coal anticorrosion treatment and is installed in a concrete foundation pit, the periphery of the storage tank is filled with yellow sand for tamping, the periphery of the storage tank is filled with the yellow sand, and the storage tank is uniformly stressed.

The nitrogen gas charging device charges nitrogen gas into the inner cylinder of the storage tank, prevents pentane from contacting with air, controls the charging pressure of the nitrogen gas to be 0.085MpU in summer, controls the pressure of the nitrogen gas to be 0.06MpU in winter, and immediately alarms and prompts the automatic charging device when the pressure of the nitrogen gas is as low as 0.05MpU, an oil-lubricated pressure breather valve is arranged at a gas phase port of the storage tank at a height of 4.2m away from the ground, the positive pressure of the oil-lubricated pressure breather valve is adjusted to be 0.095MpU (950mbUr), the nitrogen gas is started and discharged, the vacuum negative pressure of the suction valve is determined by the gravity of a lead block, the negative pressure is adjusted to be-25 mbUr (-0.0025MpU), the air automatically enters and is balanced with the on-site atmospheric pressure, and therefore, the storage tank can be placed in a safe state.

The specification of the pentane storage tank reinforced concrete foundation cover is 3.5x10x0.55 ═ 19.25m³Output well vacancy 1.1x1.5x0.55 ═ 0.9075m³The empty position of the injection well is 1.1x1.1x0.55 ═ 0.6655m³Actual volume of concrete foundation cover: 19.25-0.9075-0.6655 ═ 17.677m³Actual weight of concrete foundation cover: 17.677x2, 4 (specific gravity) is 42.42 tons, it can be concluded that the pentane concrete foundation will not float even if it is submerged in water, that is, when the pentane storage tank is completely empty, the water displacement of 28 tons is provided, 42.42/28 is 1.515 times, and the foundation cover is 1.515 times in weight to ensure that the pressing storage tank will not form floating displacement.

The pentane storage and transportation equipment comprises an injection well and an output well (Ex-1 area), Germany infrared combustible gas detectors DrUger5310 are respectively arranged in the injection well and the output well, the combustible gas concentration is digitally displayed on the site of the detectors, the gas detectors have fault alarm, primary alarm (25%) and secondary alarm (50%), alarm signals are displayed on a stainless steel photoetching flow chart, an electric control cabinet has a sound-light alarm function, the alarm positions and the alarm contents can be accurately found, and the stainless steel photoetching flow chart can also display the running state of the equipment and other alarm functions.

On the manhole cover of the injection well, a liquid phase filling pipeline is provided with a stainless steel (304) DN50-PN16 filter set, a stainless steel (304) DN50-PN16 pneumatic ball valve set, a stainless steel (304) splint valve DN50-PN16 set, a liquid phase quick joint set with a liquid phase stainless steel metal hose (DN50-PN16-5500), a gas phase port DN50-PN10 stainless steel pentane flame arrester 1 set, a stainless steel splint ball valve DN32-PN16 set, a gas phase DN32-PN16/5500 anti-static electricity, and an anti-explosion hose assembly and a copper quick joint set.

The pentane tank car discharging position is provided with a tank car grounding discharging device, whether the tank car is in good grounding before discharging can be detected by the device, a gas-phase hose and a liquid-phase hose are connected under the condition that the tank car and a storage tank are guaranteed to be in good grounding, the condition that no spark is generated in the discharging operation process is guaranteed, the condition that a tank car grounding detection control device is shown in figure 7, after the tank car is reliably grounded, the hose is connected to the discharging position, a gas-phase valve is firstly opened to enable the pressure of the tank car and the pressure of the storage tank to be balanced, then the liquid-phase valve is opened, liquid on the tank car flows into an underground storage tank by means of gravity, mixed gas of the underground storage tank returns to the tank car through the gas-phase pipeline, closed type circulating gravity discharging is achieved, sparks generated in the discharging process of the tank car are avoided, leakage of combustible gas is avoided, discharging operation safety is guaranteed, and pollution to the atmospheric environment and waste of materials are eliminated.

The output pump group is designed and installed on the manhole cover of the output well and is provided with: 2 U.S. WILDEN stainless steel 316 pneumatic diaphragm pumps (XPX 1/SSUUUU/VTS/TF/STF), 6bUr maximum working pressure, 20L/mUx maximum flow, one used and one spare, two sets of stainless steel buffer peepers are arranged behind the pumps, two U.S. WILDEN stainless steel 316 pressure pulse equalizers (SD1-SMP-BN-BN) can also be configured, the drift diameter DN25 maximum working pressure: 6bUr, a suction inlet of a pentane pump set is provided with one stainless steel bottom valve DN50-PN16, two stainless steel 304 liquid inlet metal hose assemblies DN25-PN16/300, two output metal hose assemblies DN20-PN25/320, two compressed air hose assemblies DN10-PN10/1000, one stainless steel 304 pentane output safety overflow valve, one return pipe stainless steel 304 explosion-proof flame arrester DN32-PN16, 4 pentane inlet and outlet liquid control stainless steel high-quality clamp plate ball valves DN25-PN16, one pentane output pressure gauge YZ-60 and 0-1mpU, the pentane output emergency cut-off stainless steel 304 pneumatic ball valve DN25-PN16, the valve is controlled to open and close by a pneumatic switch signal under the normal operation state of the device, a crushing switch is designed and installed on the periphery of a foaming machine of a production workshop, when a large amount of pentane leaks and a fire occurs in the production site, the breaking and crushing switch can preferentially act to close the pneumatic diaphragm pump and the emergency cut-off valve, and cut off the combustible material source to reduce disasters.

25m³The surface of an inner cylinder of the pentane storage tank needs to be derusted and cleaned, and the impurities are polished and removed by operators, so that an aerobic fresh air environment must be created in the storage tank before operation; opening two convection manhole covers on the storage tank, erecting a fan for forced ventilation for 30 minutes, testing for 30 minutes by using an oxygen content analyzer or a living animal, confirming that air replacement is qualified, and creating a safe air environment; if the operation in the storage tank is necessary, pressSpecial work safety Specification GB30871-2014 enters a limited space and operators perform the operation according to the Specification.

The operation personnel polish and remove rust in the underground storage tank inner cylinder, and the personnel are suffocated due to the narrow space and unsmooth ventilation and oxygen deficiency of the air in the storage tank, so that accidents are caused; when an electric tool and an illuminating lamp are used, the cable is leaked or the electrical appliance is damaged in an insulation way, and the accident is caused by the electric shock of people; the two manhole covers on the storage tank are disassembled to form air convection, a fan is erected on one manhole, and the air pipe introduces forced air into the storage tank and discharges the forced air from the other manhole to form forced ventilation circulation in the storage tank; after the storage tank is subjected to forced ventilation for 30 minutes, an oxygen content analyzer or a living animal is placed in the storage tank for detection for 30 minutes, and the qualification of the nitrogen replaced by air is confirmed under the condition that no abnormal condition is found; laying and installing a temporary circuit on a cable, and checking that an illuminating lamp and an electric tool are in a good state; get into and clear up the operation in the storage tank, the incessant ventilation operation of guard's fan keeps the contact constantly through the safety rope, if find unusual promptly drag the staff out the storage tank to ensure safety.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Claims (10)

1. The pentane storage and conveying equipment is characterized by comprising a pentane storage tank, wherein the pentane storage tank comprises a jacket seal head (101), an inner seal head (102), a first lower wellbore (103), a first lower angle steel ring (104), a first upper wellbore (105), a first upper angle steel ring (106), a nameplate frame (107), a cable channel (108), an inner cylinder body (109), a lifting lug (110), a second upper wellbore (111), a second upper angle steel ring (112), a second lower angle steel ring (113), a second lower wellbore (114), an inner cylinder outer cushion plate (115) and a nozzle part (116); the outer side wall of the inner cylinder (109) is sleeved with the inner cylinder outer cushion plate (115), two ends of the inner cylinder (109) are respectively provided with the jacket end socket (101) and the inner end socket (102), and the upper end face of the inner cylinder (109) is provided with the first lower shaft (103) and the second lower shaft (114); the upper end of the first lower shaft (103) is provided with the first upper shaft (105), the first upper shaft (105) and the first lower shaft (103) are connected through the first lower angle steel ring (104), the upper end of the first upper shaft (105) is provided with the first upper corner steel ring (106), the upper end of the second lower shaft (114) is provided with the second upper shaft (111), the second upper shaft (111) and the second lower shaft (114) are connected through the second lower angle steel ring (113), the upper end of the second upper shaft (111) is provided with a second upper corner steel ring (112), the first lower wellbore (103) and the second lower wellbore (114) are connected by the cable passage (108), the side wall of the inner cylinder body (109) is provided with the pipe orifice part (116), and the nameplate frame (107) and the lifting lug (110) are also arranged on the inner cylinder body (109).

2. A pentane storage and transportation device according to claim 1, further comprising an interlayer glycol leak detection device, wherein the interlayer glycol leak detection device comprises a wiring terminal isolation block (201), an electrode copper rod (202), a waterproof joint (203), an aluminum connecting body (204), an electrode isolation cover (205), a fastening screw (206), a glycol storage tank (207), a fastening nut (208), a fastening flat washer (209), a conductive ring (210), a polypropylene insulating guide pillar (211), a support sleeve (212), a stainless steel floater (213), a galvanized flat washer (214) and a galvanized nut (215); the improved electrode structure is characterized in that the polypropylene insulating guide post (211) is arranged in the ethylene glycol liquid storage tank (207), the supporting sleeve (212) is sleeved on the outer peripheral side of the polypropylene insulating guide post (211), the stainless steel floater (213) is installed at the lower end of the polypropylene insulating guide post (211) through the galvanized flat washer (214) and the galvanized nut (215), and the wiring terminal isolation block (201), the electrode copper rod (202), the waterproof joint (203), the aluminum connector (204), the electrode isolation cover (205), the fastening screw (206), the fastening nut (208), the fastening flat washer (209) and the conducting ring (210) are arranged at the upper end of the polypropylene insulating guide post (211).

3. The pentane storage and conveying equipment according to claim 1, further comprising an oil-lubricated breather valve, wherein the oil-lubricated breather valve comprises a first inner hexagonal screw (301), a pressure valve seat assembly (302), a vacuum valve disc assembly (303), a first O-ring (304), a vacuum valve core shaft (305), a pressing elbow (306), an air suction outlet pipe (307), a vacuum valve seat assembly (308), a valve core sealing gasket (309), a stainless steel flange plate (310), a pressure regulating bolt (311), a second inner hexagonal screw (312), a pressure regulating lubricating upper cover (313), a second O-ring (314), a third O-ring (315), a pressure regulating spring seat (316), a spring middle supporting ring (317), a cylindrical spring (318), a third inner hexagonal screw (319), a first spring washer (320), a plunger guide belt (321), an air outlet welding pipe (322), The hydraulic oil cylinder lubricating device comprises a fixed spring seat (323), a fourth inner hexagonal screw (324), a pressure valve disc guide post (325), a pressure valve disc assembly (326), a small lubricating oil pipe assembly (327), a port nut (328), a lubricating oil cup (329), an oil cup welding head (330), a fourth O-shaped ring (331), a spring pressure cylinder assembly (332), a fifth O-shaped ring (333), a sealing inner ring (334), a fifth inner hexagonal screw (335) and a second spring gasket (336).

4. The pentane storage and conveying equipment according to claim 1, further comprising a pneumatic control panel, wherein the pneumatic control panel comprises a clamping sleeve type welding joint (401), a sixth O-shaped ring (402), a clamping sleeve joint (403), a valve joint (404), a brass ball valve (405), a bushing joint (406), a first straight joint (407), a right-angle joint (408), a galvanized three-way joint (409), a wire-aligning sliding pipe (410), a first precise pressure reducer (411), an air joint (412), a first five-port two-position electromagnetic valve (413), a second five-port two-position electromagnetic valve (414), a two-position two-way electromagnetic valve (415), a galvanized three-way valve (416), an elbow (417), a locking female joint (418), an air source processing two-way piece (419), a second precise pressure reducer (420) and a second straight joint (421).

5. The pentane storage and conveying equipment as claimed in claim 1, further comprising a tanker grounding detection control device, wherein the tanker grounding detection control device comprises an explosion-proof junction box (501), a red explosion-proof indicator lamp (502), a green indicator lamp (503), a green button (504), a safety barrier (505), an electrical apparatus clamping rail (506), a set screw (507), a relay (508), a fixed bent plate (509), a cable fixing rod (510), a cable (511), a grounding clamp (512) and a fixed angle steel (513); be provided with on explosion-proof junction box (501) red explosion-proof pilot lamp (502), green pilot lamp (503), green button (504), safety barrier (505) electrical apparatus card rail (506) screw set (507) relay (508) fixed bent plate (509), cable fixing pole (510) cable (511) ground connection pincers (512) and fixed angle steel (513).

6. The pentane storage and conveying equipment of claim 1, wherein the n-pentane storage tank is of a double-layer structure, and the working pressure in the n-pentane storage tank is less than 0.1 MpU.

7. A pentane storage and delivery device according to claim 6, wherein the n-pentane storage tank is designed into a sandwich structure, and ethylene glycol is filled in the sandwich structure.

8. A pentane storage and delivery apparatus according to claim 6, wherein the n-pentane storage tank is mounted horizontally.

9. A pentane storage and delivery apparatus according to claim 6, further comprising a nitrogen gas charging device for charging the n-pentane storage tank.

10. A pentane storage and delivery apparatus according to claim 3, wherein the positive pentane storage tank is provided with the oil-filled breather valve at a height of 4.2m above ground, the positive pressure is adjusted to 0.095MpU to open the discharge, and the negative pressure is adjusted to-0.0025 MpU.

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