CN2161911Y

CN2161911Y - Magnetic coupling fluid level gage

Info

Publication number: CN2161911Y
Application number: CN 93222007
Authority: CN
Inventors: 王成
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-08-21
Filing date: 1993-08-21
Publication date: 1994-04-13
Anticipated expiration: 2003-08-21

Abstract

The utility model relates to a magnetic coupling liquid level meter belonging to a measuring instrument, and is a novel liquid level meter uses a moving magnetic element to indicate liquid level. The float of the conducting tube is provided with a float magnet, the outer of the conducting tube is provided with a driven magnet mutually connected with the float magnet and moved following with the float magnet in the guide slot of a measuring scale, and a tag is provided with the driven magnet, indicating the liquid level in front of the measuring scale. The utility model is designed in a plurality of styles; when comprising primary components of a conducting tube made of nonmagnetic stainless steel, the utility model has the advantages of anti-high pressure, corrosion resistance, large central distance and displaying length, highlighting mark, and convenient observation. The magnetic coupling liquid level meter can be used for the departments of petrochemical industry, pharmacy, light industry, food and beverage, etc.

Description

The magnetic couple liquid level gauge

The utility model belongs to surveying instrument, relates to a kind of measurement mechanism that utilizes magnetic element movement display liquid level change.

Monochrome and two-colour fluviograph that the water level gauge of using on traditional boiler is released after obviously not having are intuitively superior, two-colour fluviograph is again through improving, centre distance and demonstration length obtain lengthening, structure and processing characteristics are improved, in showing, the liquid level of petrochemical equipment is applied, as Chinese patent 91226763.1.But products such as present double colored indicator still have part not fully up to expectations, the one, centre distance and spy on two meters of length full-size less thaies, use on the vertical tank body of large-scale petroleum chemical industry and must adopt many liquid level gauge segmentations to install, jointing is many, and installation observation is not convenient, moreover, the apparent narrow and length of seam opening of looking on the double colored indicator does not secretly work in the slit, quite takes eyesight during observation, because jointing is many, leaks and hang dirty phenomenon and happen occasionally in addition.

The purpose of this utility model provides a kind of liquid level gauge that utilizes magnetic element movement display liquid level change, centre distance and demonstration length are the several times of double colored indicator, simple in structure, good rigidity, easy for installation, fluid level markings is clear eye-catching, is particularly suitable for using on large-scale petroleum, the vertical flow container of chemical industry.

The utility model is a kind of liquid level gauge that adopts the principle design of a pair of magnetic patch coupled motions, and except this made the magnetic patch permanent magnetic material, other basic composition element all was to adopt no magnetic made.Basic structure is such, a long thin-walled conduction pipe, the top top seal, shut with base plate the bottom, (can in the same side) has two flow container flange connections that connect with tested flow container about the conduction pipe, the upper flange connecting pipe is near top cover, the lower flange connecting pipe is near base plate, there is a usefulness lightweight not have the float of the hollow that the magnetic material makes in the conduction pipe, the longitudinal length size of float is greater than lateral dimension, height change with fluid to be measured in conduction pipe is floated, the two transverse shape of float main body and conduction pipe is similar, but keep the gap between the two, there is a depressed part the positive front of float epimere, has adorned a unsteady magnetic block seat at this depressed part, at the middle part of floating magnetic block seat, adorned the unsteady magnetic patch made from permanent magnetic material, free ball has been adorned at the edge, the left and right sides of the magnetic block seat outside surface that floats, the friction when moving in conduction pipe in order to reduce float; The scale guide groove longitudinally is equipped with in conduction pipe outer wall front, and scale guide groove left-right symmetric is made up of two right angle thin plates, and the thin plate root is contained on the conduction pipe outer wall, and front surface leaves aperture slots, and is provided with scale on front surface; One driven magnetic block seat is arranged in the scale guide groove, its rear surface is consistent with the front surface shape of conduction pipe outer wall, the right and left edge in this rear surface, adorned movable ball, driven magnetic block seat is moved in the scale guide groove flexibly, the middle part of driven magnetic block seat, it is the driven magnetic patch that permanent magnetic material is made, when driven magnetic patch and unsteady magnetic patch are installed, note their pole orientation, they are attracted each other inside and outside conduction pipe, move up and down along with floating floating of magnetic block seat on the float to guarantee driven magnetic block seat; By stretching out the contiguous block outside the scale guide groove, the fluid level markings board is housed in the front of driven magnetic block seat, this notice plate is at the height of scale front indication liquid level; Outside at scale guide groove and notice plate; guard shield is housed; guard shield by about cover frame, clamp and clear glass (or organic glass) and form; about the cover frame root be fixed on the conduction pipe surface; the clamp of cover frame front portion; the effect that transparent glass or organic glass shield are installed is protection scale and notice plate, and prevents that foreign matter from falling into the scale guide groove.

The utility model has designed several models to satisfy different request for utilizations.The above is a kind of form, if with respect to the bottom of the opposite side of flow container flange connections double-colored (or monochromatic) liquid level gauge is housed on the conduction pipe, then be another kind of pattern of the present utility model, two liquid level gauge flange connections linked to each other with double colored indicator about at this moment the conduction pipe bottom had.When this form of the present utility model is used in the petrochemical complex flow container, color and the transparency that can from double-colored (or monochromatic) liquid level gauge that installs additional, observe liquid in the jar, ponding and oil and water separation situation in the liquid.

Another form of the present utility model is to be close to the latter half of outer wall of conduction pipe to install heating jacket additional, and the structure of its main part is the same with above-mentioned two kinds of forms, and this liquid level gauge is suitable for cold district and northern China is used winter.Heating jacket is a welded structure, by the vaporium of bottom, and the upper chamber at top, the many heating pipes that are communicated with steam chamber and upper chamber, and draft tube, the return pipe and the device that leaks informaton are automatically formed; Heating pipe is close to the conduction pipe outer wall, and draft tube is contained in the steam chamber stage casing, and return pipe is in the steam chamber bottom, and the device that leaks informaton automatically is on upper chamber top.Heating steam enters steam chamber from draft tube during work, enter upper chamber by heating pipe, and the cold air from the device discharge cover that leaks informaton automatically, the water that heating steam produces is discharged from return pipe, keep normal working pressure in the heating jacket, surpass the device venting of leaking informaton automatically of this pressure, guarantee operate as normal and safety.

The unsteady magnetic patch of magnetic couple liquid level gauge and driven magnetic patch adopt the permanent magnetic material manufacturing, all the other primary elements are then with no magnetic material, comprise the employing magnetism-free stainless steel, aluminium or copper and their alloy, fiberglass and plastics, the conduction pipe cross section can be circular, square or rectangle, and scale and notice plate adopt reflecting and luminous membraneous material.

The following drawings has been represented magnetic couple liquid level gauge structure and embodiment.

Fig. 1, perfect magnetic couple liquid level gauge structure (having double colored indicator)

Fig. 2, second kind of magnetic couple liquid level gauge

Fig. 3, the magnetic couple liquid level gauge of heating jacket is housed

Describe the utility model content in detail below in conjunction with the accompanying drawing illustrated embodiment.As shown in Figure 1, double colored indicator 5 is equipped with in the lower right side of magnetic couple liquid level gauge conduction pipe 1, and conduction pipe 1 is shut with base plate 22 for circular non-magnetic stainless steel tube (material such as 1Cr18Ni9Ti) bottom, and the top is a top cover 2; The conduction pipe 1 left side flow container flange connections 3 that is welded up and down links to each other with tested flow container; The conduction pipe 1 lower right side liquid level gauge flange connections that is welded links to each other with double colored indicator 5; Float 6 in the conduction pipe 1 is the plastic casing of a hollow sealing, the longitudinal length size of float 6 is big than diameter dimension, gapped between float 6 and conduction pipe 1 inwall, float 6 positive front upper have a depressed part, the transversal section of depressed part is arc, the transversal section that aluminum has been installed in this depressed part is arc unsteady magnetic block seat 7, the unsteady magnetic patch 8 that permanent magnetic material is made has been adorned at middle part in the convex arc surface (front) of the magnetic block seat 7 that floats, the edge, the left and right sides of unsteady magnetic block seat 7 arc surfaces, each has adorned two balls that can rotate flexibly 9; Scale guide groove 15 has longitudinally been adorned in conduction pipe 1 outer wall front, scale guide groove 15 is made up of two thin right angle corrosion resistant plates, left-right symmetric, root is welded on the conduction pipe 1, front surface is on a plane and leave aperture slots, on this front surface, be provided with the scale of manufacturing with reflecting and luminous material 18, one driven magnetic block seat 10 is arranged in the scale guide groove 15, its rear surface is a concaved circular cambered surface, the right and left at this concaved circular cambered surface has been adorned the ball 12 of two activities along each, the middle part of driven magnetic block seat 10 is driven magnetic patch 11 made from permanent magnetic material, notices that the installation of unsteady magnetic patch 8 and driven magnetic patch 11 will make them attract each other across conduction pipe 1; The front of driven magnetic patch 11 has a contiguous block 13 to stretch out from the open seam of scale guide groove 15 outside the scale 18, the top adjustment notch board 14 of contiguous block 13, the notice plate 14 surface mounted marks that have eye-catching reflecting and luminous material to manufacture; Guard shield 20 is contained in outside scale guide groove 15 and the notice plate 14, guard shield 20 by about cover frame 16, clamp 19 and clear glass 17 form, about cover frame 16 be welded in outside the conduction pipe, be arranged in the clear glass of notice plate 14 fronts or organic glass 17 and be contained in cover frame front clamp 19.

As shown in Figure 2, the magnetic couple liquid level gauge of subsidiary double colored indicator 5 is not another kind of forms of the present utility model, in the lower right side of its conduction pipe 1, does not have liquid level gauge flange connections 4, and remainder is the same with Fig. 1.

Fig. 3 is another embodiment of the present utility model, the magnetic couple liquid level gauge that has heating jacket, its main part comprises conduction pipe, unsteady magnetic patch part and driven magnetic patch part, the scale guide groove, notice plate etc., structure and Fig. 1, embodiment illustrated in fig. 2 is the same, different is at the conduction pipe 1 latter half of outer wall of being close to heating jacket 23 to be housed, and heating jacket is a welded structure, and its bottom is a steam chamber 24, steam chamber 24 has return pipe 25 near the bottom, there is draft tube 26 in the stage casing, and the top of heating jacket 23 is a upper chamber 27, between upper chamber 27 and the steam chamber 24 many heating pipes 28 is arranged, these heating pipes 28 are close to the outer wall of conduction pipe 1, and the device 29 that leaks informaton is automatically arranged at the top of upper chamber 27.Certainly, install the magnetic couple liquid level gauge of heating jacket as shown in Figure 3 additional, in the lower right side of conduction pipe 1, can adorn double-colored (or monochromatic) liquid level gauge 5, also can not adorn, shown in Figure 3 is the magnetic couple liquid level gauge that has liquid level gauge flange connections 4.

The utility model magnetic couple liquid level gauge has simple in structure, good rigidity, centre distance and show advantages such as length is big, and fluid level markings exposes eye-catching, and is easy to install.The magnetic couple liquid level gauge of major diameter conduction pipe is fit to large-scale perpendicular jar to be used, the minor diameter conduction pipe then be adapted at small-sized perpendicular jar and horizontal tank use, the magnetic couple liquid level gauge that heating jacket is arranged, can use at cold district or winter, attaching has double-colored or monochromatic liquid level gauge, can observe clarity of liquor or color in the jar, and ponding situation in the liquid.Particularly primary structure such as conduction pipe adopts the magnetism-free stainless steel manufacturing, bears the pressure height, and good corrosion resistance can be widely used in petrochemical complex, pharmacy, food and drink, departments such as light industry.

Claims

1, the magnetic couple liquid level gauge, shut with base plate (22) conduction pipe (1) bottom, the top seals with top cover (2), conduction pipe (1) upper and lower is near top cover (2) and base plate (22), the flow container flange connections (3) that connects tested tank body is arranged, it is characterized in that float (6) is arranged in the conduction pipe (1), in the depressed part on float (6) top unsteady magnetic block seat (7) is arranged, there is a unsteady magnetic patch (8) at the middle part of unsteady magnetic block seat (7), scale guide groove (15) is arranged outside the conduction pipe (1), at its front surface scale (18) is housed, driven magnetic block seat (10) is arranged in the scale guide groove (15), and driven magnetic patch (11) is equipped with at the middle part of driven magnetic block seat (10), and the unsteady magnetic patch (8) in driven magnetic patch (11) and the conduction pipe (1) attracts each other, notice plate (14) also is equipped with in the front of driven magnetic block seat (10), and this notice plate (14) is in the front of scale (18).

2, magnetic couple liquid level gauge as claimed in claim 1, it is characterized in that outside scale guide groove (15) and notice plate (14), guard shield (20) is housed, and cover frame (16) wherein is fixed on the conduction pipe (1), and the clamp (19) of cover frame (16) front is installed transparent glass or organic glass (17).

3, as claim 1 and 2 described magnetic couple liquid level gauges, it is characterized in that the edge, the left and right sides of unsteady magnetic block seat (7) outside surface is equipped with free ball (9), the edge, the left and right sides of driven magnetic block seat (10) rear surface is equipped with free ball (12).

4, want 1 or 2 or 3 described magnetic couple liquid level gauges as right, it is characterized in that the opposite side bottom of conduction pipe (1), the liquid level gauge flange connections (4) that connects double-colored (or monochromatic) liquid level gauge (5) is arranged with respect to flow container flange connections (3).

5, as claim 1 or 2 or 3 described magnetic couple liquid level gauges, it is characterized in that the latter half of outer wall of being close to of conduction pipe (1) is equipped with heating jacket (23), its bottom is steam chamber (24), there is draft tube (26) in steam chamber (24) stage casing, near the bottom return pipe (25) is arranged, the top of heating jacket (23) is upper chamber (27), automatically the device that leaks informaton (29) is arranged at the top of upper chamber (27), between upper chamber (27) and the steam chamber (24) many heating pipes (28) are arranged, these heating pipes (28) are close to the outer wall of conduction pipe (1).

6, want 1 or 2 or 3 described magnetic couple liquid level gauges as right, it is characterized in that the opposite side bottom of conduction pipe (1) with respect to flow container flange connections (3), liquid level gauge flange connections (4) is arranged, the latter half of outer wall of being close to of conduction pipe (1) is equipped with heating jacket (23), the bottom of heating jacket (23) is steam chamber (24), there is draft tube (26) in steam chamber (24) stage casing, near the bottom return pipe (25) is arranged, the top of heating jacket (23) is upper chamber (27), automatically the device that leaks informaton (29) is arranged at the top of upper chamber (27), between upper chamber (27) and the steam chamber (24) many heating pipes (28) are arranged, these heating pipes (28) are close to the outer wall of conduction pipe (1).