CN209570276U - A kind of furnace wall temperature detection device - Google Patents

Abstract

The utility model discloses a kind of furnace wall temperature detection device, mounting seat including being fixed at synthesis furnace outer wall, the internal thread hole of perforation is provided in the mounting seat, temperature detecting module is removably bolted on the internal thread hole, the end of the temperature detecting module is kept in contact with the synthesis furnace outer wall, by the way that mounting seat is fixedly installed, it is detachably arranged in temperature detecting module in mounting seat, it can need to dismantle the problem of insulating layer can be overhauled or be replaced to avoid the prior art, have the advantages that easy maintenance and replacement.

Description

A kind of furnace wall temperature detection device

Technical field

The utility model relates to trichlorosilane synthetic furnace tooling, in particular to a kind of furnace wall temperature detection device.

Background technique

Trichlorosilane is the important source material for producing polysilicon, as polysilicon is in fields such as modern science and technology, national defence, industry It is widely applied, the production of trichlorosilane is also developed rapidly, and is improved product quality, is reduced cost consumption, expanding production energy Power becomes the target that each manufacturer competitively chases.Trichlorosilane synthesis procedure is most important in entire trichlorosilane production Part, in trichlorosilane synthesis process, temperature controls the quality of production and cost control for determining trichlorosilane, therefore trichlorine hydrogen The monitoring temperature of silicon has great importance to trichlorosilane synthesis.

Trichlorosilane synthetic furnace furnace wall temperature detects generally by surrounding several temperature-detecting devices on synthesis furnace outer wall, And synthesis furnace outer wall needs to install insulating layer additional, the insulating layer when temperature-detecting device must be fixed on synthesis furnace outer wall It is covered on the outer layer of temperature-detecting device.

Therefore, it when temperature-detecting device, which goes wrong, to be needed to overhaul, or when needing to change temperature-detecting device, needs Removing insulating layer can be overhauled or be replaced, very inconvenient maintenance and replacement.

Utility model content

In view of this, the application provides a kind of furnace wall temperature detection device, by the way that mounting seat is fixedly installed, examine temperature Survey module be detachably arranged in mounting seat, can need to dismantle to avoid the prior art insulating layer can carry out maintenance or The problem of person replaces, has the advantages that easy maintenance and replacement.

In order to solve the above technical problems, technical solution provided by the utility model is in view of this, the application provides one kind Furnace wall temperature detection device synthesizes the mounting seat of furnace outer wall including being fixed at, is provided with perforation in the mounting seat Internal thread hole, be removably bolted with temperature detecting module on the internal thread hole, the end of the temperature detecting module with The synthesis furnace outer wall is kept in contact.

Preferably, the mounting seat is welded on the synthesis furnace outer wall.

Preferably, the axis of the internal thread hole is set perpendicular to the mounting bracket and the contact surface of the synthesis furnace outer wall It sets.

Preferably, the temperature detecting module includes thermocouple, and metal sleeve, the thermoelectricity are set with outside the thermocouple The hot end of even thermocouple wire contact and is used for and synthesizes furnace outer wall and contact, the cold end of the thermocouple wire of the thermocouple mutually every Absolutely and stretch out on metal sleeve connection temperature transmitter.

Preferably, be provided with threaded sleeve on the metal sleeve, in the threaded sleeve at least provided with internal screw thread Matched first external thread section in hole.

Preferably, the second external thread section is provided on the metal sleeve, the threaded sleeve is sleeved on outside described second On thread segment, the threaded sleeve includes the first activity card sets and the second activity card sets, the setting of first activity card sets lower end There is first external thread section, first external thread section for matching with the internal thread hole, use by second activity card sets In locking first activity card sets.

Preferably, the threaded sleeve is fixed on the metal sleeve, and the bottom end of the metal sleeve has can Along the elastic extension structure of metal sleeve axial stretching.

Preferably, one end of the elastic extension structure is fixed with the hot end of the thermocouple wire of the thermocouple, two hot ends Exposure to welding fixed is simultaneously contacted for the end by elastic extension structure with furnace outer wall is synthesized.The elastic extension structure suit Abutting on metal sleeve and between elastic extension structure and metal sleeve has spring.

Compared with prior art, detailed description are as follows by the application:

This application discloses a kind of furnace wall temperature detection device, when synthesizing cladding insulating layer on furnace outer wall, mounting seat Top can expose outside insulating layer, can be realized when overhauling or adjusting temperature detecting module without dismantling insulating layer, reduce Workload when maintenance facilitates worker to overhaul synthetic furnace.

Temperature detecting module includes the temperature transmitter of thermocouple and connection thermocouple, and thermocouple can satisfy synthetic furnace survey Warm demand uses the higher K-type thermocouple of range, and temperature transmitter can be by cable connection to DCS, according to the practical feelings of technique Condition changes the range of temperature in real time, and interlock shutdown can be done in the case where technique has demand.

When temperature detecting module is removably mounted on internal thread hole, temperature detection mould can be adjusted by internal thread hole Relative positional relationship between block and synthesis furnace outer wall comes into full contact with one end of temperature detecting module with synthesis furnace outer wall, protects Demonstrate,prove the effect of temperature detection.

By the internal screw thread and adjustable first activity card sets of the second external thread section of the first activity card sets of adjusting in thermoelectricity Relative position on even metal sleeve makes the thermocouple of different length that can be adapted to mounting seat and guarantees the first activity card sets Thermocouple can be sufficiently fitted on synthesis furnace outer wall when being screwed onto mounting seat.

Elastic extension structure is axially retractable under the premise of can allow for hot end to abut to synthesis furnace outer wall, makes difference The thermocouple of length can be adapted to mounting seat and guarantee when the first activity card sets are screwed onto mounting seat, pass through spring Elastic force guarantee hot end can abut always to synthesis furnace outer wall, improve the suitability and temperature detection effect of temperature detecting module Stability.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the application preferred embodiment 1；

Fig. 2 is the structural schematic diagram of the application preferred embodiment 2.

Specific embodiment

In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have The utility model is described in further detail for body embodiment.

As depicted in figs. 1 and 2, a kind of furnace wall temperature detection device, including mounting seat 1 and temperature detecting module 3, institute The one side for stating mounting seat 1 is fixed on synthesis furnace outer wall 6, passes through screw thread in the mounting seat 1 and is removably equipped with temperature Detection module 3 is spent, the temperature detecting module 3 can be adjusted along the extending direction of screw thread, to guarantee temperature detecting module 3 One end is kept in contact with synthesis furnace outer wall 6 always.Mounting seat 1 can be cylindrical mounting seat 1, one of round nose Face can be fixed on the synthesis furnace outer wall 6.When synthesizing cladding insulating layer on furnace outer wall 6, the top of mounting seat 1 can reveal It out outside insulating layer, can be realized when overhauling or adjusting temperature detecting module 3 without dismantling insulating layer, reduce work when maintenance It measures, worker is facilitated to overhaul synthetic furnace.As the other embodiments of the application, the outer peripheral surface shape of mounting seat 1 should not by into The limitation of one step, reason are that the outer peripheral surface shape of mounting seat 1 does not generate actual influence to technical scheme, because This, in actual use, mounting seat 1 can also be gathered materials on the spot by factory acquisition metal ingots processing repacking obtain, can also To use the bracket repacking that sheet metal component makes in factory to obtain.

The internal thread hole 11 of perforation is provided in the mounting seat 1, the axis of the internal thread hole 11 is perpendicular to described The contact surface of mounting seat 1 and the synthesis furnace outer wall 6 can also be waited since synthesis furnace outer wall 6 is a cylindrical surface The axis of the internal thread hole 11 is same as perpendicular to the synthesis furnace outer wall 6.When temperature detecting module 3 is removably mounted at interior spiral shell When on pit 11, the relative position that temperature detecting module 3 can be adjusted by internal thread hole 11 and is synthesized between furnace outer wall 6 is closed System comes into full contact with one end of temperature detecting module 3 with synthesis furnace outer wall 6.

The temperature detecting module 3 includes thermocouple 31, is set with metal sleeve 32, the thermoelectricity outside the thermocouple 31 The hot end of even 31 thermocouple wire contacts and is used to contact with synthesis furnace outer wall 6, and the thermocouple 31 is preferably K-type thermocouple, The cold end of its thermocouple wire, which mutually completely cuts off and stretches out metal sleeve 32, to be connected on temperature transmitter 33, and temperature transmitter 33 can be with It by cable connection to DCS, is changed in real time according to range of the technique actual conditions to temperature, and has demand in technique In the case of can do interlock shutdown.

Threaded sleeve is provided on metal sleeve 32, at least provided with matched with internal thread hole 11 in the threaded sleeve External thread section.

Specifically, as a preferred embodiment of the present application 1, as shown in Figure 1, being provided on the metal sleeve 32 Two external thread sections, the threaded sleeve are sleeved on second external thread section, and the threaded sleeve includes the first activity card sets 41 and second activity card sets 42,41 lower end of the first activity card sets is provided with first external thread section 5, the first outer spiral shell Line section 5 with the internal screw thread for matching, and second activity card sets 42 are for locking first activity card sets 41.

In actual use, the first activity card sets 41 can be adjusted to suitable position, then by the first activity card sets 41 The first external thread section 5 be screwed on internal thread hole 11, by the second external thread section adjust thermocouple 31 stretch out length make heat Galvanic couple 31 is bonded with synthesis furnace outer wall 6, and the second activity card sets 42, which are tightened, makes the first activity card sets 41 and the second activity card sets 42 Come into full contact with fixation.

Existed by the internal screw thread and adjustable first activity card sets 41 of the second external thread section that adjust the first activity card sets 41 Relative position on 31 metal sleeve 32 of thermocouple, enables thermocouple 31 to be adapted to mounting seat 1, and the first activity card sets 41 are spirally connected When in mounting seat 1, thermocouple 31 can be fitted on synthesis furnace outer wall 6, and the second activity card sets 42 are tightened in the first activity For fixing first activity card sets 41 on cutting ferrule 41, it is fitted in thermocouple 31 always on synthesis furnace outer wall 6.

As a preferred embodiment of the present application 2, as shown in Fig. 2, the threaded sleeve is fixed at metal sleeve On 32 the bottom end of the metal sleeve 32 have can be along the elastic extension structure 34 of 32 axial stretching of metal sleeve, the bullet One end of property stretching structure 34 is fixed with the hot end of the thermocouple wire of the thermocouple 31, and two hot end exposures to welding fixed are simultaneously used for It is contacted by the end of elastic extension structure 34 with synthesis furnace outer wall 6.The elastic extension structure 34 is sleeved on metal sleeve 32 Abutting above and between elastic extension structure 34 and metal sleeve 32 has spring 35.Threaded sleeve on metal sleeve 32 is screw-coupled to When on internal thread hole 11, elastic extension structure 34 can allow for hot end abutted to synthesis furnace outer wall 6 under the premise of along axial direction Flexible, when threaded sleeve needs are sufficiently screw-coupled to internal thread hole 11, elastic extension structure 34 can satisfy installation requirements and lead to The elastic force for crossing spring 35 guarantees that hot end can be abutted always to synthesis furnace outer wall 6.

Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of furnace wall temperature detection device, which is characterized in that the mounting seat including being fixed at synthesis furnace outer wall (6) (1), it is provided with the internal thread hole (11) of perforation on the mounting seat (1), is removably spirally connected on the internal thread hole (11) Have temperature detecting module (3), the end of the temperature detecting module (3) is kept in contact with the synthesis furnace outer wall (6).

2. a kind of furnace wall temperature detection device according to claim 1, which is characterized in that mounting seat (1) welding On the synthesis furnace outer wall (6).

3. a kind of furnace wall temperature detection device according to claim 1, which is characterized in that the axis of the internal thread hole (11) Line is arranged perpendicular to the contact surface of the mounting seat (1) and synthesis furnace outer wall (6).

4. a kind of furnace wall temperature detection device according to claim 1, which is characterized in that the temperature detecting module (3) Including thermocouple (31), it is set with metal sleeve (32) outside the thermocouple (31), the thermocouple wire of the thermocouple (31) Hot end contacts and is used to contact with synthesis furnace outer wall (6), and the cold end of the thermocouple wire of the thermocouple (31) mutually completely cuts off and stretches Out in metal sleeve (32) connection temperature transmitter (33).

5. a kind of furnace wall temperature detection device according to claim 4, which is characterized in that set on the metal sleeve (32) Be equipped with threaded sleeve, in the threaded sleeve at least provided with matched first external thread section (5) of internal thread hole (11).

6. a kind of furnace wall temperature detection device according to claim 5, which is characterized in that set on the metal sleeve (32) It is equipped with the second external thread section, the threaded sleeve is sleeved on second external thread section, and the threaded sleeve includes first living Dynamic cutting ferrule (41) and the second activity card sets (42), the first activity card sets (41) lower end is provided with first external thread section (5), first external thread section (5) with the internal thread hole for matching, and second activity card sets (42) are for locking institute State the first activity card sets (41).

7. a kind of furnace wall temperature detection device according to claim 5, which is characterized in that the threaded sleeve fixed setting On the metal sleeve (32), the bottom end of the metal sleeve (32) has can be along the bullet of metal sleeve (32) axial stretching Property stretching structure (34).

8. a kind of furnace wall temperature detection device according to claim 7, which is characterized in that the elastic extension structure (34) One end be fixed with the thermocouple (31) thermocouple wire hot end, two hot end exposures to welding fixed by elasticity simultaneously for being stretched The end of shrinking structure (34) is contacted with synthesis furnace outer wall (6)；The elastic extension structure (34) is sleeved on metal sleeve (32) And abutting has spring (35) between elastic extension structure (34) and metal sleeve (32).