CN208839335U - A kind of thermocouple assembly for absorption drying tower - Google Patents

Abstract

A kind of thermocouple assembly for absorption drying tower, the utility model relates to drying tower technical field, the No.1 thermocouple assembly is located at the upside of tower body, and the side of tower body is equipped with air inlet；It is equipped with heating room in the tower body, heats and is located on the upside of room on the outside of tower body, the upside for heating room is equipped with gas outlet；The heating interior is fixed with electrically heated rod, and No.1 thermocouple assembly is fixed on the top of heating room, and it is indoor that the probe of No.1 thermocouple assembly is set to heating behind heating ceiling portion；The desorption under high temperature stage be can effectively avoid because of the excessively high dry combustion method damage container of operating temperature and adsorbent, improve safety, it can desorb completely and the gas of output qualification, equipment damage and economic loss caused by capable of finding and avoid in time the electrically heated rod wiring of absorption drying tower double tower reversed simultaneously, and minimum temperature when can adsorb the maximum temperature in desorption under high temperature stage tower, room temperature all controls in the reasonable scope, improves work efficiency.

Description

A kind of thermocouple assembly for absorption drying tower

Technical field

The utility model relates to drying tower technical fields, and in particular to a kind of thermocouple group for absorption drying tower Part.

Background technique

Absorption drying tower generally use double tower alternately room temperature absorption, desorption under high temperature and cooling method to gas into Row is dry (dehumidification treatments)；The absorption of one tower room temperature: humid air enters the absorption drying tower from air inlet, by described The adsorption and dehumidification (water) of adsorbent in absorption drying tower, the air after drying are released from gas outlet；Another tower desorption under high temperature: one Quantitative dry gas (usually pure nitrogen gas) is heated to 280 DEG C~320 DEG C by electrically heated rod, and high-temperature gas is equal by adsorbent It is even to be warming up to desorption temperature, the regeneration of adsorbent desorption under high temperature；After the completion of desorption under high temperature, desorber enter " blowing the cold stage ", not plus The dry gas of heat, which enters in adsorption tower, cools down adsorbent, makes it restore to room temperature；It is high according to a large amount of practical experience Warm desorption phase needs about 8h that adsorbent may make to regenerate completely, then also needs about 16h " blowing cold " that can reach when adsorbing again Temperature (less than 60 DEG C)；But the operating condition at scene be it is ever-changing, operating temperature only controlled according to the executeaaafunction in each stage, The excessively high dry combustion method damage container of desorption under high temperature stage work temperature and adsorbent are easily caused, safety accident is caused；Or work temperature Spend it is low desorption not exclusively so that next room temperature adsorption cycle can not output acceptable gas, influence client use, cause client to pass through Help benefit damage；In addition, if the electrically heated rod wiring of absorption drying tower double tower is reversed, it is not easy to be found, result in Room temperature adsorption tower heats and desorber does not heat, the hot gas damage subsequent equipment for causing room temperature adsorption tower to generate when heating and first device Part, and desorber is unable to complete desorption work without heating, and the next duty cycle cannot generate qualified gas, it would be highly desirable to change Into.

Utility model content

The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide that a kind of structure is simple, and design is closed Reason, the thermocouple assembly easy to use for absorption drying tower, can effectively avoid the desorption under high temperature stage because of operating temperature mistake High level cadre's scaling loss hurts container and adsorbent, improves safety, can desorb completely and the gas of output qualification, while can be timely It was found that and equipment damage and economic loss caused by avoiding the electrically heated rod wiring of absorption drying tower double tower reversed, and can Minimum temperature when maximum temperature in desorption under high temperature stage tower, room temperature are adsorbed all controls in the reasonable scope, improves work Make efficiency.

In order to achieve the above purposes, the technical solution adopted by the utility model is:, and it includes No.1 thermocouple assembly, No. two heat Galvanic couple component, No.1 temperature controller, No. two temperature controllers, electric box, PLC control panel；The No.1 thermocouple assembly is located at tower body Upside, the side of tower body is equipped with air inlet；It is equipped with heating room in the tower body, heats and is located on the upside of room on the outside of tower body, The upside for heating room is equipped with gas outlet；The heating interior is fixed with electrically heated rod, and No.1 thermocouple assembly is fixed on heating The top of room, it is indoor that the probe of No.1 thermocouple assembly is set to heating behind heating ceiling portion；On the outer wall of the tower body No. two thermocouple assemblies are fixed with, the probe of No. two thermocouple assemblies is set in tower body after tower body outer wall；The No.1 Thermocouple assembly includes No.1 sheath assembly and No.1 thermocouple, and No. two thermocouple assemblies include No. two sheath assemblies and No. two heat Galvanic couple, No.1 sheath assembly, No. two sheath assemblies are respectively sleeved at No.1 thermocouple assembly, No. two thermocouple assemblies by screw thread Outside, No.1 sheath assembly, No. two sheath assemblies are connected to heating ceiling plate, No. two thermocouple assemblies and tower body outer wall Between；The No.1 thermocouple assembly is connect with No.1 temperature controller, and No. two thermocouple assemblies are connect with No. two temperature controllers, No.1 Temperature controller, No. two temperature controllers are connect with PLC control panel, and No.1 temperature controller, No. two temperature controllers, PLC control panel are each provided at electrically In case, No.1 temperature controller, No. two temperature controllers, electrically heated rod, PLC control panel are connect with external power supply.

Further, the electric box is equipped with several No. three temperature controllers, and No. three temperature controllers and another drying tower connect It connects.

Further, the downside of the heating room is equipped with a circle stomata.

After adopting the above structure, the utility model has the beneficial effect that described in the utility model a kind of dry for absorption type The thermocouple assembly of dry tower can effectively avoid the desorption under high temperature stage because of the excessively high dry combustion method damage container of operating temperature and adsorbent, mention High safety, can desorb and the gas of output qualification completely, while can find and avoid in time absorption drying tower pair Equipment damage and economic loss caused by the electrically heated rod wiring of tower is reversed, and can be by the highest in desorption under high temperature stage tower Minimum temperature when temperature, room temperature absorption all controls in the reasonable scope, improves work efficiency, the utility model has structure Simply, the advantages that setting is reasonable, low manufacture cost.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

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

Fig. 2 is the schematic enlarged-scale view in the portion A in Fig. 1.

Fig. 3 is the schematic diagram of No.1 sheath assembly in the utility model.

Description of symbols:

Tower body 1, heating room 2, stomata 2-1, electrically heated rod 3, No.1 thermocouple assembly 4, No.1 thermocouple 4-1, No. two heat 5, No. two thermocouple 5-1 of galvanic couple component, 6, No. two temperature controllers 7 of No.1 temperature controller, electric box 8, PLC control panel 9, gas outlet 10, 13, No. two 11, No. three temperature controllers 12 of air inlet, No.1 sheath assembly sheath assemblies 14.

Specific embodiment

The utility model will be further described below with reference to the accompanying drawings.

Referring to as shown in Figure 1 to Figure 3, technological means used by present embodiment is as follows: it includes No.1 thermoelectricity 4, No. two thermocouple assemblies 5 of even component, No.1 temperature controller 6, No. two temperature controllers 7, electric box 8, PLC control panels 9；The No.1 Thermocouple assembly 4 is located at the upside of tower body 1, and integrally formed with air inlet 11, gas enters from air inlet 11 for the side of tower body 1； Integrally formed with heating room 2 in the tower body 1, the upside of heating room 2 is located at 1 outside of tower body, heat the upside one of room 2 at Type has gas outlet 10, and gas is gone out from gas outlet 10；2 internal thread of heating room is fixed with electrically heated rod 3, No.1 thermocouple Component 4 is weldingly fixed on the top of heating room 2, and the probe of No.1 thermocouple assembly 4 is set to heating room behind 2 top of heating room In 2, the temperature in room 2 can be heated with real-time detection；No. two thermocouple assemblies 5 are welded on the outer wall of the tower body 1, The probe of No. two thermocouple assemblies 5 is set in tower body 1 after 1 outer wall of tower body, can be with the temperature in real-time detection tower body 1；Institute The No.1 thermocouple assembly 4 stated includes No.1 sheath assembly 13 and No.1 thermocouple 4-1, and No. two thermocouple assemblies 5 include No. two Sheath assembly 14 and No. two thermocouple 5-1,13, No. two sheath assemblies 14 of No.1 sheath assembly are respectively sleeved at No.1 by screw thread The outside of 4, No. two thermocouple assemblies 5 of thermocouple assembly, 13, No. two sheath assemblies 14 of No.1 sheath assembly are connected respectively by welding It connects between heating 2 top plate of room, 1 outer wall of No. two thermocouple assemblies 5 and tower body, 13, No. two sheath assemblies 14 of No.1 sheath assembly End be all made of argon arc welding heap flush end mouth, it is ensured that its end is air tight；The No.1 thermocouple assembly 4 and No.1 temperature controller 6 connections, No. two thermocouple assemblies 5 connect with No. two temperature controllers 7,6, No. two temperature controllers 7 of No.1 temperature controller with PLC control panel 9 Connection, No.1 temperature controller 6, No. two temperature controllers 7, PLC control panels 9 are each provided in electric box 8,6, No. two temperature controllers of No.1 temperature controller 7, electrically heated rod 3, PLC control panel 9 are connect with external power supply.

Further, it is set on the electric box 8 there are two No. three temperature controllers 12, No. three temperature controllers 12 are dried with another Tower connection can carry out whole temperature control measurement to two drying towers.

Further, the downside of the heating room 2 is integrally formed with a circle stomata 2-1, and script gas is in desorption under high temperature It is to go out from the open flow of heating room bottom afterwards, stomata 2-1 increases the space that gas flows away from heating room 2, so that It can quickly go out to be further processed after gas desorption under high temperature.

The working principle of this specific embodiment: being: gas enters from the air inlet 11 of tower body 1, and No.1 temperature controller 6 passes through Maximum temperature is at 280 DEG C~320 DEG C in heating room 2 when 4 real-time monitoring of No.1 thermocouple assembly, control electrically heated rod 3 heat In range, while No.1 temperature controller 6 will alarm when the temperature is excessively high, to prevent the excessively high dry combustion method damage container of temperature and adsorbent, draw Send out safety accident；No. two temperature controllers 7 pass through No. two 4 real-time monitorings of thermocouple assembly, control the minimum temperature in tower body 1, to prevent Operating temperature it is too low desorption not exclusively so that next room temperature adsorption cycle can not output acceptable gas, influence client use, cause Customer economy benefit damage, PLC control panel 9 control the working time in each stage, without rule of thumb judging the work in each stage Make the time, after desorption under high temperature, gas is gone out from gas outlet 10.

The technological merit of present embodiment are as follows: one kind that present embodiment is proposed is used for absorption drying tower Thermocouple assembly, can effectively avoid the desorption under high temperature stage because of operating temperature excessively high dry combustion method damage container and adsorbent, improve Safety, can desorb and the gas of output qualification completely, while can find and avoid in time absorption drying tower double tower Equipment damage caused by electrically heated rod wiring is reversed and economic loss, and can be by the highest temperature in desorption under high temperature stage tower Minimum temperature when degree, room temperature absorption all controls in the reasonable scope, improves work efficiency, has structure simple, setting is closed The advantages that reason, low manufacture cost.

The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model Spirit and scope should all cover in the scope of the claims of the utility model.

Claims (3)

1. a kind of thermocouple assembly for absorption drying tower, it is characterised in that: it includes No.1 thermocouple assembly (4), two Number thermocouple assembly (5), No.1 temperature controller (6), No. two temperature controllers (7), electric box (8), PLC control panel (9)；The No.1 Thermocouple assembly (4) is located at the upside of tower body (1), and the side of tower body (1) is equipped with air inlet (11)；It is set in the tower body (1) Have heating room (2), be located on the upside of heating room (2) on the outside of tower body (1), the upside of heating room (2) is equipped with gas outlet (10)；It is described Heating room (2) in be fixed with electrically heated rod (3), No.1 thermocouple assembly (4) be fixed on heating room (2) top, No.1 heat The probe of galvanic couple component (4) is set in heating room (2) behind heating room (2) top；It is fixed on the outer wall of the tower body (1) There are No. two thermocouple assemblies (5), the probe of No. two thermocouple assemblies (5) is set in tower body (1) after tower body (1) outer wall；Institute The No.1 thermocouple assembly (4) stated includes No.1 sheath assembly (13) and No.1 thermocouple (4-1), No. two thermocouple assemblies (5) Comprising No. two sheath assemblies (14) and No. two thermocouples (5-1), No.1 sheath assembly (13), No. two sheath assemblies (14) pass through spiral shell Line is respectively sleeved at the outside of No.1 thermocouple assembly (4), No. two thermocouple assemblies (5), No.1 sheath assembly (13), No. two sets Tube assembly (14) is connected between heating room (2) top plate, No. two thermocouple assemblies (5) and tower body (1) outer wall；Described one Number thermocouple assembly (4) is connect with No.1 temperature controller (6), and No. two thermocouple assemblies (5) connect with No. two temperature controllers (7), No.1 Temperature controller (6), No. two temperature controllers (7) connect with PLC control panel (9), No.1 temperature controller (6), No. two temperature controllers (7), PLC control Making sheet (9) is each provided in electric box (8), No.1 temperature controller (6), No. two temperature controllers (7), electrically heated rod (3), PLC control panel (9) It is connect with external power supply.

2. a kind of thermocouple assembly for absorption drying tower according to claim 1, it is characterised in that: the electricity Gas tank (8) is equipped with several No. three temperature controllers (12), and No. three temperature controllers (12) connect with another drying tower.

3. a kind of thermocouple assembly for absorption drying tower according to claim 1, it is characterised in that: described adds The downside in hot cell (2) is equipped with circle stomata (2-1).