CN209311080U - A kind of valve low-temperature atomizing intelligent control detection device - Google Patents

Abstract

The utility model discloses a kind of valve low-temperature atomizing intelligent control detection devices, including test box, the test box upper end slidably connects the second hatchcover by track, and second hatchcover lower end be fixedly connected with sliding block compatible with track, the test box upper end offers the first slot and two the second slots, two second slots are distributed by axial symmetry of the first slot, the test box upper end is plugged with the first hatchcover, and first hatchcover lower end be fixedly connected with the first cutting and two the second cuttings, first cutting and the first slot are adapted, second cutting and the second slot are adapted.The purpose of this utility model is to provide a kind of valve low-temperature atomizing intelligent control detection device, solve the problems, such as that existing valve low temperature detection device hatch door is inconvenient to open, liquid nitrogen can not precisely cool down to some position of valve, thermal insulation effect is bad, probe is easy to be influenced to cause by low temperature to damage and bad to the temperature control effect of liquid nitrogen.

Description

A kind of valve low-temperature atomizing intelligent control detection device

Technical field

The utility model relates to a kind of detection device, in particular to a kind of valve low-temperature atomizing intelligent control detection device, Belong to valve low temperature detection technique field.

Background technique

Valve is the important equipment on pressure pipeline, in petrochemical industry, smelting iron and steel, thermal power generation, nuclear power and water conservancy water The every profession and trades such as electricity, which suffer from, to be widely applied.Used in the valve of certain volatile firer's conditions, due to there is the potential danger that fire occurs Danger, often carries out special design to it, make valve after the baked wheaten cake by certain time still with certain sealing performance and Operating characteristics.In terms of the fire resistance for measuring valve, fire resistance test is the important means for verifying valve.All fire resistance tests Basis be that valve must can also operate after high-temp combustion within the specified period under pressure working condition, and burn The wastage of (soft seal is destroyed) is kept within the limits prescribed afterwards.

Need to use detection device when doing low temperature detection test to valve, existing valve low temperature detection device hatch door is not It is easy to open, the degree of automation is low；Liquid nitrogen atomizing effect is bad in existing valve low temperature detection device, and can not be precisely to valve Some position of door cools down, and detection effect is bad；Existing valve low temperature detection device thermal insulation effect is bad, and staff holds Easy frost bitten；Existing valve low temperature detection device its probe when using inductive probe is easy to be influenced to make by low temperature simultaneously At damage, existing valve low temperature detection device is bad to the temperature control effect of liquid nitrogen.

Utility model content

The purpose of this utility model is to provide a kind of valve low-temperature atomizing intelligent control detection devices, solve existing valve Door low temperature detection device hatch door is inconvenient to open, liquid nitrogen can not precisely cool down to some position of valve, thermal insulation effect is bad, Probe is easy the problem for being influenced to cause to damage and the temperature control effect to liquid nitrogen is bad by low temperature.

In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of valve low-temperature atomizing intelligent control inspection Device, including test box are surveyed, the test box upper end slidably connects the second hatchcover by track, and the second hatchcover lower end is fixed It is connected with sliding block compatible with track, the test box upper end offers the first slot and two the second slots, described in two Second slot is distributed by axial symmetry of the first slot, and the test box upper end is plugged with the first hatchcover, and the first hatchcover lower end is solid Surely it is connected with the first cutting and two the second cuttings, first cutting and the first slot are adapted, second cutting and Two slots are adapted, and are fixedly connected to cylinder rack above the test box both ends, the cylinder rack upper end is fixedly connected with oil Cylinder, the output end of the oil cylinder is fixedly connected with push plate, and push plate is fixedly connected with the end of the second hatchcover, the test box side End top is fixedly connected with atomized liquid nitrogen addition pipe, and described atomized liquid nitrogen addition pipe one end is fixedly connected with atomization through test box Pipeline, and atomization conduit is fixedly connected on test chamber interior wall, the atomization conduit is in rectangle, and atomization conduit lower end is fixedly connected There is equally distributed injection spray pipe, first hatchcover and the second hatchcover side offer annular groove, and two annular grooves are formed Circular through hole, described one end are fixedly connected with atomising mechanism, and the atomising mechanism includes main siphunculus, and described main siphunculus one end is fixed It is connected with separator tube, and atomized liquid nitrogen addition pipe is fixedly connected with separator tube away from one end of main siphunculus, in the middle part of the main siphunculus It is fixedly installed with regulating valve and the first shut-off valve, and the first shut-off valve is placed between regulating valve and separator tube, the main siphunculus side End is fixedly connected with auxiliary siphunculus, and auxiliary siphunculus both ends are connected with main siphunculus side, and described auxiliary siphunculus one end is fixedly connected on Between first shut-off valve and separator tube, and the auxiliary siphunculus other end is fixedly connected on the side that regulating valve deviates from the first shut-off valve, institute It states and is fixedly installed with the second shut-off valve on auxiliary siphunculus and main siphunculus, the second shut-off valve on the main siphunculus is fixedly mounted on tune It saves valve and deviates from the side of the first shut-off valve, and be placed between regulating valve and auxiliary siphunculus and main siphunculus junction.

The preferred embodiment of above scheme are as follows: connect inside the injection spray pipe upper end and atomization conduit, and injection spray pipe material For red copper.

The preferred embodiment of above scheme are as follows: the injection spray pipe middle spiral shape setting.

The preferred embodiment of above scheme are as follows: first hatchcover, the second hatchcover and test box are made of inner and outer wall, And asbestos and evacuated panel are fixed between inner and outer wall.

The preferred embodiment of above scheme are as follows: second slot bottom end is obliquely installed, and first slot bottom end offers Arc groove.

The preferred embodiment of above scheme are as follows: first hatchcover upper end is fixedly connected with handle.

The preferred embodiment of above scheme are as follows: be additionally provided with it is compatible with the annular groove of the first hatchcover and the second hatchcover side every Warm probe sleeve, the thermal insulation probe sleeve mainly by probe placement sleeve, rub root ceramic fiber paper and fixes sleeve forms, institute It states fixes sleeve and is socketed in probe placement sleeve outer wall, and the root ceramic fiber paper that rubs is fixedly connected on probe placement sleeve and fixation Between sleeve.

The preferred embodiment of above scheme are as follows: probe placement sleeve upper end is fixedly connected with partition, and partition is in a ring.

The preferred embodiment of above scheme are as follows: the aperture of the regulating valve is 0 ° -100 °

Compared with prior art, the utility model has the beneficial effects that

The first of the first hatchcover lower end is equipped in the utility model the first cutting and the second cutting and test box upper end inserts Slot and the second slot are adapted, since the second slot bottom end is obliquely installed, the setting of the first slot bottom end arc, and on the first hatchcover Equipped with handle, the first hatchcover can be tilted pull-up easily very much by pull handle by staff, and the second hatchcover passes through behaviour Oil-control cylinder can be switched, so that hatch door opening is more convenient, high degree of automation improves detection efficiency；

The liquid nitrogen of atomization is sprayed and is cooled down to valve by injection spray pipe in the utility model, due to injection spray pipe tubulose knot Structure, and middle spiral shape is arranged, and extends the approach that the liquid nitrogen of atomization passes through, improves the efficiency of atomization, and injection spray pipe can live It is dynamic to adjust the angle, injection spray pipe lower end exit can be aligned to each different position of valve, precisely cooled down to it, dropped Temp effect is good, and testing result is accurate；

Asbestos and evacuated panel are equipped in the utility model inside first hatchcover, the second hatchcover and test box, thermal insulation effect is good, Prevent staff's frost bitten；

The utility model is additionally provided with the thermal insulation probe sheath that can be plugged in the first hatchcover and the annular groove of the second hatchcover side Cylinder, temperature-sensing probe insertion probe placement sleeve is interior to carry out thermometric to valve, and probe placement sleeve outer end is equipped with fixes sleeve, and spy It is clamped with the root ceramic fiber paper that rubs between head placement sleeve and fixes sleeve, prevents inductive probe from being caused to damage by the influence of low temperature Wound.

Atomising mechanism realizes intelligent temperature control in the utility model, and detection effect is good.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the partial enlarged view of part A in Fig. 1；

Fig. 3 is the partial longitudinal section of hatchcover and test box in the utility model；

Fig. 4 is the explosive view of thermal insulation probe sleeve compatible with the utility model；

Fig. 5 is the structural schematic diagram of atomising mechanism in the utility model.

In figure: the first hatchcover of 1-, the first cutting of 2-, the second cutting of 3-, the second hatchcover of 4-, 5- push plate, 6- oil cylinder, 7- oil cylinder Frame, 8- test box, the first slot of 9-, 10- atomized liquid nitrogen addition pipe, 20- atomising mechanism, the second slot of 11-, 12- track, 13- Atomization conduit, 14- injection spray pipe, 15- asbestos, 16- evacuated panel, 17- probe placement sleeve, 18- rub root ceramic fiber paper, and 19- is solid Determine sleeve, 201- regulating valve, the first shut-off valve of 202-, the main siphunculus of 203-, 204- separator tube, the auxiliary siphunculus of 205-, 206- second cuts Only valve.

Specific embodiment

Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other It can be combined with each other.

As shown in Figs. 1-2, a kind of valve low-temperature atomizing intelligent control detection device of the present embodiment, including test box 8 are surveyed Examination 8 upper end of case slidably connects the second hatchcover 4 by track 12, and 4 lower end of the second hatchcover is fixedly connected with and fits with 12 phase of track The sliding block matched, 8 upper end of test box offer the first slot 9 and two the second slots 11, and two the second slots 11 are with the first slot 9 For axial symmetry distribution, 8 upper end of test box is plugged with the first hatchcover 1, and 1 lower end of the first hatchcover is fixedly connected with 2 He of the first cutting Two the second cuttings 3, the first cutting 2 and the first slot 9 are adapted, and the second cutting 3 and the second slot 11 are adapted, test box 8 It is fixedly connected to cylinder rack 7 above both ends, 7 upper end of cylinder rack is fixedly connected with oil cylinder 6, and the output end of oil cylinder 6 is fixedly connected There is push plate 5, and push plate 5 is fixedly connected with the end of the second hatchcover 4, it is defeated that atomization liquid nitrogen is fixedly connected with above 8 side of test box Enter pipe 10,10 one end of atomized liquid nitrogen addition pipe is fixedly connected with atomization conduit 13, and the fixed company of atomization conduit 13 through test box 8 It connects in 8 inner wall of test box, atomization conduit 13 is in rectangle, and 13 lower end of atomization conduit is fixedly connected with equally distributed injection spray pipe 14, the first hatchcover 1 and 4 side of the second hatchcover offer annular groove, and two annular grooves form circular through hole.

Wherein, it connects, is sprayed convenient for the liquid nitrogen of atomization, and injection spray pipe 14 inside 14 upper end of injection spray pipe and atomization conduit 13 Material is red copper, and the setting of 14 middle spiral shape of injection spray pipe extends the approach that the liquid nitrogen of atomization passes through, improves the effect of atomization Rate.

As shown in Figure 3, wherein the first hatchcover 1, the second hatchcover 4 and test box 8 are made of inner and outer wall, and inner wall Asbestos 15 and evacuated panel 16 are fixed between outer wall, thermal insulation effect is good, prevents staff's frost bitten.

Wherein, 11 bottom end of the second slot is obliquely installed, and 9 bottom end of the first slot offers arc groove, and 1 upper end of the first hatchcover is solid Surely it is connected with handle, the first hatchcover 1 can be tilted pull-up easily very much by pull handle by staff.

As shown in Figure 4, wherein be additionally provided with thermal insulation compatible with the annular groove of 4 side of the first hatchcover 1 and the second hatchcover and visit Headgear cylinder, thermal insulation probe sleeve mainly by probe placement sleeve 17, rub root ceramic fiber paper 18 and fixes sleeve 19 forms, it is fixed Sleeve 19 is socketed in probe placement 17 outer wall of sleeve, and the root ceramic fiber paper 18 that rubs is fixedly connected on probe placement sleeve 17 and solid Determine between sleeve 19, probe placement 17 upper end of sleeve is fixedly connected with partition, and partition is in a ring, prevents inductive probe by low The influence of temperature causes to damage.

As described in figures 1 and 5,10 one end are fixedly connected with atomising mechanism 20, and atomising mechanism 20 includes main siphunculus 203, main logical 203 one end of pipe is fixedly connected with separator tube 204, and atomized liquid nitrogen addition pipe 10 and separator tube 204 deviate from one end of main siphunculus 203 It is fixedly connected, regulating valve 201 and the first shut-off valve 202 is fixedly installed in the middle part of main siphunculus 203, and the first shut-off valve 202 is placed in Between regulating valve 201 and separator tube 204, main 203 side of siphunculus is fixedly connected with auxiliary siphunculus 205, and 205 both ends of auxiliary siphunculus with Main 203 side of siphunculus is connected, and auxiliary 205 one end of siphunculus is fixedly connected between the first shut-off valve 202 and separator tube 204, and auxiliary 205 other end of siphunculus is fixedly connected on the side that regulating valve 201 deviates from the first shut-off valve 202, auxiliary siphunculus 205 and main siphunculus 203 On be fixedly installed with the second shut-off valve 206, the second shut-off valve 206 on main siphunculus 203, which is fixedly mounted on regulating valve 201, to deviate from The side of first shut-off valve 202, and be placed between regulating valve 201 and auxiliary siphunculus 205 and 203 junction of main siphunculus, regulating valve 201 Aperture be 0 ° -100 °, open the second shut-off valve 206 on main siphunculus 203, close the second shut-off valve on auxiliary siphunculus 205 206, liquid nitrogen is conditioned valve 201 and controls the degree for needing to open by program, the amount that liquid nitrogen is entered is controlled in this way, to realize Temperature control, 202 auxiliary adjustment valve 201 of the first shut-off valve, so that liquid nitrogen atomization passes through atomized liquid nitrogen addition pipe after separator tube 204 10 enter inside test box 8；The second shut-off valve 206 on main siphunculus 203 is closed, the second shut-off valve on auxiliary siphunculus 205 is opened 206, liquid nitrogen is directly in a liquid state into test box 8, and atomising mechanism 20 realizes intelligent temperature control, and detection effect is good.

In conclusion a kind of valve low-temperature atomizing intelligent control detection device provided by the utility model, in use, taking Lower first hatchcover 1, control oil cylinder 6 push the second hatchcover 4 to open, valve are put into inside test box 8, and control oil cylinder 6 closes the Two hatchcovers 4, and the first hatchcover 1 is plugged on 8 upper end of test box, 1 lower end of the first hatchcover by the first cutting 2 and the second cutting 3 The first cutting 2 and the second cutting 3 being equipped with are adapted with the first slot 9 of 8 upper end of test box and the second slot 11, due to second 11 bottom end of slot is obliquely installed, the setting of 9 bottom end arc of the first slot, and the first hatchcover 1 is equipped with handle, and staff can lead to Crossing pull handle can tilt pull-up for the first hatchcover 1 easily very much, and the second hatchcover 4 can be switched by manipulating oil cylinder 6, be made Hatch door open it is more convenient, high degree of automation improves detection efficiency；Liquid nitrogen after atomising mechanism is atomized passes through mist Change liquid nitrogen input pipe 10 to enter inside atomization conduit 13, then sprayed by injection spray pipe 14 and cooled down to valve, due to spraying 14 tubular structure of pipe, and middle spiral shape is arranged, and extends the approach that the liquid nitrogen of atomization passes through, improves the efficiency of atomization, and 14 lower end exit of injection spray pipe can be directed at each different position of valve, precisely by the movable adjustment angle of injection spray pipe 14 Cool down to it, good cooling effect, testing result is accurate；Asbestos are equipped with inside first hatchcover 1, the second hatchcover 4 and test box 8 15 and evacuated panel 16, thermal insulation effect is good, prevents staff's frost bitten；The utility model, which is additionally provided with, can be plugged on the first hatchcover 1 With the thermal insulation probe sleeve in the annular groove of 4 side of the second hatchcover, temperature-sensing probe insertion probe placement sleeve 17 in valve into Row thermometric, probe placement 17 outer end of sleeve is equipped with fixes sleeve 19, and pops one's head in and clamp between placement sleeve 17 and fixes sleeve 19 Rub root ceramic fiber paper 18, prevents inductive probe from being caused to damage by the influence of low temperature.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.

Claims (9)

1. a kind of valve low-temperature atomizing intelligent control detection device, including test box (8), it is characterised in that: the test box (8) Upper end is slidably connected the second hatchcover (4) by track (12), and the second hatchcover (4) lower end is fixedly connected with and track (12) phase The sliding block of adaptation, test box (8) upper end offer the first slot (9) and two the second slots (11), and two described second Slot (11) is axial symmetry distribution with the first slot (9), and test box (8) upper end is plugged with the first hatchcover (1), and the first cabin Lid (1) lower end is fixedly connected with the first cutting (2) and two the second cuttings (3), first cutting (2) and the first slot (9) It is adapted, second cutting (3) and the second slot (11) are adapted, and are fixedly connected to above test box (8) both ends Cylinder rack (7), cylinder rack (7) upper end are fixedly connected with oil cylinder (6), and the output end of the oil cylinder (6), which is fixedly connected with, to be pushed away Plate (5), and push plate (5) is fixedly connected with the end of the second hatchcover (4), is fixedly connected with mist above test box (8) side Change liquid nitrogen input pipe (10), the atomized liquid nitrogen addition pipe (10) one end is fixedly connected with atomization conduit through test box (8) (13), and atomization conduit (13) is fixedly connected on test box (8) inner wall, and the atomization conduit (13) is in rectangle, and atomization conduit (13) lower end is fixedly connected with equally distributed injection spray pipe (14), and first hatchcover (1) and the second hatchcover (4) side open up There is annular groove, and two annular grooves form circular through hole, described (10) one end is fixedly connected with atomising mechanism (20), the atomization Mechanism (20) includes main siphunculus (203), and described main siphunculus (203) one end is fixedly connected with separator tube (204), and it is defeated to be atomized liquid nitrogen Enter pipe (10) and is fixedly connected with separator tube (204) away from the one end of main siphunculus (203), fixed peace in the middle part of the main siphunculus (203) Equipped with regulating valve (201) and the first shut-off valve (202), and the first shut-off valve (202) is placed in regulating valve (201) and separator tube (204) between, main siphunculus (203) side is fixedly connected with auxiliary siphunculus (205), and auxiliary siphunculus (205) both ends lead to main Pipe (203) side is connected, described auxiliary siphunculus (205) one end be fixedly connected on the first shut-off valve (202) and separator tube (204) it Between, and auxiliary siphunculus (205) other end is fixedly connected on the side that regulating valve (201) deviate from the first shut-off valve (202), it is described auxiliary logical It is fixedly installed with the second shut-off valve (206) on pipe (205) and main siphunculus (203), the second cut-off on the main siphunculus (203) Valve (206) is fixedly mounted on regulating valve (201) and deviates from the side of the first shut-off valve (202), and is placed in regulating valve (201) He Futong It manages between (205) and main siphunculus (203) junction.

2. a kind of valve low-temperature atomizing intelligent control detection device according to claim 1, it is characterised in that: described spraying It connects inside pipe (14) upper end and atomization conduit (13), and injection spray pipe (14) material is red copper.

3. a kind of valve low-temperature atomizing intelligent control detection device, feature described in -2 any one exist according to claim 1 In: injection spray pipe (14) the middle spiral shape setting.

4. a kind of valve low-temperature atomizing intelligent control detection device according to claim 1, it is characterised in that: described first Hatchcover (1), the second hatchcover (4) and test box (8) are made of inner and outer wall, and asbestos are fixed between inner and outer wall (15) and evacuated panel (16).

5. a kind of valve low-temperature atomizing intelligent control detection device according to claim 1, it is characterised in that: described second Slot (11) bottom end is obliquely installed, and the first slot (9) bottom end offers arc groove.

6. a kind of valve low-temperature atomizing intelligent control detection device according to claim 1, it is characterised in that: described first Hatchcover (1) upper end is fixedly connected with handle.

7. a kind of valve low-temperature atomizing intelligent control detection device according to claim 1, it is characterised in that: be additionally provided with The compatible thermal insulation probe sleeve of annular groove of first hatchcover (1) and the second hatchcover (4) side, the thermal insulation probe sleeve are main By probe placement sleeve (17), rub root ceramic fiber paper (18) and fixes sleeve (19) forms, the fixes sleeve (19) is socketed Sleeve (17) outer wall is disposed in probe, and the root ceramic fiber paper (18) that rubs is fixedly connected on probe placement sleeve (17) and fixing sleeve Between cylinder (19).

8. a kind of valve low-temperature atomizing intelligent control detection device according to claim 7, it is characterised in that: the probe Placement sleeve (17) upper end is fixedly connected with partition, and partition is in a ring.

9. a kind of valve low-temperature atomizing intelligent control detection device according to claim 1, it is characterised in that: the adjusting The aperture of valve (201) is 0 ° -100 °.