CN88210731U

CN88210731U - Automatic anti-spill system for oil tank

Info

Publication number: CN88210731U
Application number: CN 88210731
Authority: CN
Inventors: 丁诗林
Original assignee: HEZE BRANCH CO SHANDONG PETROLEUM CO
Current assignee: HEZE BRANCH CO SHANDONG PETROLEUM CO
Priority date: 1988-01-16
Filing date: 1988-01-16
Publication date: 1988-11-23

Abstract

The utility model provides an automatic anti-spill system for oil tanks, comprising an aluminium signal sensing body, a float body magnetic steel driving device, a linking firmware, a signal conversion body, and a control circuit. The magnetic steel is moved upwards near a dry reed pipe by the float body following the ascending of the liquid level. The dry reed pipe outputs the signals to the magnifying and control circuit, and the control circuit cuts the electric source of an oil pump that transports oil into the tank, thus avoiding the spillover of the petroleum product. The utility model has the advantages of simple device, low cost, high reliability, long service life, safe sealing and isolation of the electrical contact, convenient installation and maintenance, etc., and is a safety appliance suitable for the storage and transportation of petroleum products.

Description

Automatic anti-spill system for oil tank

What the present invention proposed is the automatic anti-overflow device of a kind of oil tank.

In the prior art, the race in the petroleum products storage and transport process, to overflow, drip, leak phenomenon very serious, all has every year a considerable amount of oil products to overflow from oil tank defeated turning in the journey.And the annual fire that causes because of oil product is excessive also happens occasionally.In order to reduce the loss of oil product, once the someone had studied the safety device that prevents oil tank oil spilling and accident, for example rope draws floating body formula fluid level control device, and with 0 district in this control circuit introducing oil depot fire dangerous area, 1 district is so that 2 districts all are that oil storage safety electricity consumption standard institute is unallowed.This device is not easy to floating body in the jar is keeped in repair, and the time one, long nylon rope disconnected easily, and rope is had no progeny floating body at the liquid level free floating, when floating body when the tank skin, the static of assembling on the floating body will take place to discharge and cause fire tank skin.Moreover the stay cord aperture of holding on the cover also can increase the breather loss of oil product.

The purpose of this utility model provides a kind of simple in structure, and is cheap, has explosion-proof performance, safe and reliable, and finishing is convenient, and the automatic anti-overflow device of oil tank of promotional value is arranged.

Design of the present utility model has been adopted and has been utilized jar dry-reed tube that interior floating body (23) drive jar outer steel (9) moves in the cinclides that makes aluminium matter signal transformation body (12) to move.This actuating signal far made guard grating advance amplification control circuit, control cut-out oil-feed pump motor power through shielding wire (3), thereby reached when oil transportation in jar the purpose that oil product can not overflow.

Major technique of the present utility model is characterised in that it does not have an aluminium matter signal transformation body (12), its inside is provided with logical peraluminous conducting tube (20) and floating body (23) bonded assembly magnet steel (9), magnet steel (9) moves up and down with floating body (23), with the cinclides of the corresponding locational aluminium matter signal transformation body of magnet steel (9) (12) in two symmetrical dry-reed tubes are housed, the pig-tail wire at its two ends is connected on respectively on signal binding post (7) and the ground connection binding post (8), with epoxy resin (6) sealing, and between shielding wire (3) and binding post, filling up explosion-proof clay (4), shielding wire (3) is used m ³Screw retention is on signal transformation body (12).It also is provided with gets float cover (6), is fixed in bolt of rear end plate (15) on the company's firmware (17) that is welded on the cover, and the internal orifice dimension that connects firmware (17) should be convenient to the maintenance of floating body (23) greater than the diameter of floating body (23).The below of the magnet steel (9) in the signal transformation body (12) also is provided with magnet steel holder (10) and helps floating spring (11).On aluminium matter conducting tube (20), be provided with guiding short tube (13) and guiding steel pipe (19).

Characteristics of the present utility model: because the signal transformation mechanism that has adopted floating body magnet steel and dry-reed tube to form, thereby it is simple, cheap to have a transmission, and signal transformation is reliable, advantages such as electric contact seal isolation safety and long service life.Adopted simultaneously and can directly take out floating body and sensing device single-piece connection mode, thus all very convenient by dress and maintenance.

Description of drawings

Fig. 1 represents constructional drawing of the present utility model

Fig. 2 represents ... the cut-away view of dry-reed tube installation site

Fig. 3 represents the diagrammatic sketch of bowing of dry-reed tube of the present utility model installation site

Fig. 4 represents electric control circuit figure of the present utility model

1-m among Fig. 1 ³Screw; 2-wiring seal cover cap; The 3-shielding wire; The explosion-proof clay of 4-; 5-solidus screw; 6-epoxy resin; 7-signal binding post; 8-ground connection binding post; The 9-magnet steel; The holder of 10-magnet steel; 11-helps floating spring; 12-signal transformation body; The 13-short tube that leads; The 14-arm; The 15-binding bolt; 16-gets float cover; 17-connects firmware; The 18-arm; The 19-steel pipe that leads; 20-aluminium matter conducting tube; 21-float pin; 22,25-float pad; The 23-floating body; Copper pipe in the 24-float; The solid float bolt of 26-

Part among Fig. 2, Fig. 3, that (6), (7), (8), (12) are represented, corresponding with Fig. 1

Embodiment of the present utility model with reference to accompanying drawing auspicious state as follows:

Device shown in Figure 1, wiring seal cover cap (2) is used m ³Screw (1) is fixed on the aluminium matter signal transformation body (12).Ground connection binding post (8) is fixed in aluminium matter signal transformation body (12) and uses epoxy resin (6) sealing.Signal binding post (7) epoxy resin (6) sealing.Solidus screw (5) is fixed tightly in shielding wire (3) on the signal transformation body (12).Magnet steel (9) is inhaled solid in magnet steel holder (10) by magnetic force, the logical peraluminous conducting tube (20) of magnet steel holder (10) is by float pin (21), and float pad (22), (25) and solid float bolt (26) fuse with copper sheet float (23).Magnet steel can move on the freedom when helping floating spring (10) can make oil level reach liquid level.Arm (14) with gas thread with aluminium matter signal transformation body (12) with get float cover (16) and couple together.Arm (14) negative thread is provided with guiding short tube (13).Arm (18) one ends are screwed in to be got on the float cover (16), and the other end is used for connecting guiding steel pipe (19).Guiding steel pipe (19) and guiding short tube (13) play the effect that guarantees that aluminium matter conducting tube (20) slides up and down.Bolt of rear end plate (15) will be got float cover (16) and be fixed on the company's firmware (17) that is welded on the cover.The length of guiding steel pipe (19) and aluminium matter conducting tube (20) can be decided by the height of concrete control liquid level.

Figure 2 shows that the cutaway view of dry-reed tube installation site.The degree of depth of its dry-reed tube placement hole (65～75mm) make magnet steel (9) move on to dry-reed tube action open contact closure when pushing up, and magnet steel (9) dry-reed tube action when moving on to the bottom, open contact disconnects.

Figure 3 shows that the birds-eye view of dry-reed tube installation site.Its dry-reed tube hole drill is symmetrically distributed at four fixedly between explosion-proof wiring seal cover cap (2) hole.Dry-reed tube is put into boring back pig-tail wire and is closed with the antiexplosion adhesive mudding, becomes flexible oxidation to prevent connection lead.

Figure 4 shows that electric control circuit figure.Each oil tank all is equipped with device shown in Figure 1.Its principle of work: when the wherein arbitrary oil tank oil level of 1 to h Be Controlled oil tank reaches need control level height, a pair of dry-reed tube closure in this jar signal transformation body, make A point above earth potential be reduced to zero volt by shielding wire and closed master cock KA, the active potential that BG is ended original B is ordered is upgraded to high potential makes BG, BG saturation conduction, then the relay J adhesive disconnects the normally closed contact that is connected in the circuit for controlling motor, to making oil pump close pump automatically.

Claims

1, a kind of electric control circuit that includes.Explosion-proof wiring seal cover cap [2].The automatic anti-overflow device of oil tank that the petroleum products accumulating of arm [14], [18] and floating body [23] is used.It is characterized in that it does not have an aluminium matter signal transformation body [12], its inside is provided with logical peraluminous conducting tube [20] and floating body [23] bonded assembly magnet steel [9].Magnet steel [9] moves up and down with floating body [23].With the cinclides of the aluminium matter signal transformation body [12] of the corresponding position of magnet steel [9] in two symmetrical dry-reed tubes are housed.The pig-tail wire at its two ends is connected on signal binding post [7] respectively and ground connection binding post [8] is gone up with epoxy resin [6] sealing, and shielding wire [3] is fixed tightly on the signal transformation body [12] with solidus screw [5].Wiring seal cover cap [2] is used m ³Screw retention is in signal transformation body [12].

2, according to the said device of claim 1, it is characterized in that it does not get float cover (16), be fixed in bolt of rear end plate (15) on the company's firmware (17) that is welded on the cover, the internal orifice dimension that connects firmware (17) should be greater than the diameter of floating body (23).

3, according to the described device of claim 1, it is characterized in that the below of the magnet steel (9) in the signal transformation body (12), also be provided with magnet steel holder (10) and help floating spring (11)

4, according to the said device of claim 1, short tube (13) and guiding steel pipe (19) is characterized in that not leading on the aluminium matter conducting tube (20).

5, according to the said device of claim 1, the degree of depth that it is characterized in that the hole, installation site of dry-reed tube should be dry-reed tube action when making magnet steel (9) move on to the top.The normally closed contact of electric control circuit repeat circuit J disconnects.And magnet steel (9) dry-reed tube action when moving on to the bottom, the normally closed contact closure of electric control circuit repeat circuit J.