CN207036701U - A kind of device for being used to make the melting quality inspection of PET bottle piece - Google Patents

Abstract

The utility model discloses a kind of device for being used to make the melting quality inspection of PET bottle piece,Including melting plant and detection means,The melting plant includes melting plant main body,And the top of melting plant main body is provided with lid,The inner chamber bottom of the melting plant main body is installed with support frame,And the top of support frame is installed with placement rack,The aldehydes gas for making to contain in PET bottle volatilizees,Simultaneously,The gas of volatilization is collected by the second air pump,It is passed into the detection vessel of detection means,The color change of reaction reagent in observation detection vessel,So that it is determined that the acetaldehyde of PET bottle piece,Avoid the acetaldehyde in the PET bottle piece of reclaiming production exceeded,Influence the health of people,During being heated to PET bottle piece,First air pump imports inert gas into melting plant by inert gas ingress pipe,Prevent the acetaldehyde in PET bottle piece from reaching explosion limit after evaporateing into air,Produce blast.

Description

A kind of device for being used to make the melting quality inspection of PET bottle piece

Technical field

PET bottle piece detection technique field is the utility model is related to, specially a kind of dress for being used to make the melting quality inspection of PET bottle piece Put.

Background technology

PET bottle refers to be called polyethylene terephthalate containing one kind inside bottle（Poly terephthalic acid second two Alcohol ester）, or abbreviation PET plastic material, it is by terephthalic acid (TPA)（Terephthalic acid）And ethylene glycol（Ethylene glycol）Caused polymer after chemical combination.The characteristics such as PET tool is light, transparency is high, impact resistance is not easily broken, can also hinder Only carbon dioxide, carbonated drink is allowed to maintain " gas ".Due in light weight, keeping quality is good, emphasizes the technology of the function such as heat-resisting, pressure-resistant Property trend makes PET bottle as packaging main flow is drunk today, and PET bottle can also carry out reclaiming production after use, but weigh again Poisonous and harmful substance in the PET bottle of new production is easily exceeded, influences the health of people, therefore, it is proposed that a kind of use In the device for making the melting quality inspection of PET bottle piece.

The content of the invention

The purpose of this utility model is to provide a kind of device for being used to make the melting quality inspection of PET bottle piece, to solve the above-mentioned back of the body The problem of being proposed in scape technology.

To achieve the above object, the utility model provides following technical scheme：It is a kind of to be used to make the melting quality inspection of PET bottle piece Device, including melting plant and detection means, the melting plant include melting plant main body, and the top of melting plant main body Lid is installed, the inner chamber bottom of the melting plant main body is installed with support frame, and the top of support frame is fixedly mounted There is placement rack, offer standing groove in the placement rack, and the outside of placement rack is located at the intracavity sidewall of melting plant main body and consolidated Dingan County is equipped with annular-heating plate, and resistive heater, the bottom of the melting plant main body are evenly distributed with the annular-heating plate End left side wall is plugged with inert gas ingress pipe, and the first air pump is provided with inert gas ingress pipe, the melting plant master The bottom right side wall of body is plugged with gas transport conduit, and the second air pump is provided with gas transport conduit, the gas transport The right-hand member of conduit is plugged to the inner chamber of detection means, and the right-hand member connection gas detection conduit of gas transport conduit, the gas The bottom of detection conduit is installed with gas nozzle, and the inner chamber bottom of the detection means is installed with expansion link, and stretches The top of contracting bar is installed with fixed seat, and reaction vessel, the preceding surface hinge of the detection means are connected with the fixed seat Switch gate is connected to, the resistive heater, the first air pump, the second air pump connect external power source with expansion link.

Preferably, the preceding surface of the melting plant and detection means offers observation area.

Preferably, the melting plant main body and the junction of upper lid are provided with rubber ring.

Compared with prior art, the beneficial effects of the utility model are：A kind of dress for being used to make the melting quality inspection of PET bottle piece Put, the PET bottle that reclaiming is produced is melted by the annular-heating plate in melting plant, makes the acetaldehyde contained in PET bottle Gaseous volatilization, meanwhile, the gas of volatilization is collected by the second air pump, is passed into the detection vessel of detection means, is seen The color change of the reaction reagent in detection vessel is examined, so that it is determined that the acetaldehyde of PET bottle piece, avoids what reclaiming was produced Acetaldehyde in PET bottle piece is exceeded, influences the health of people, during being heated to PET bottle piece, the first gas Pump imports inert gas into melting plant by inert gas ingress pipe, prevents the acetaldehyde in PET bottle piece from evaporateing into air After reach explosion limit, produce blast.

Brief description of the drawings

Fig. 1 is stereogram of the present utility model；

Fig. 2 is front section view of the present utility model.

In figure：1st, melting plant, 101, melting plant main body, 102, upper lid, 103, support frame, 104, placement rack, 105, Standing groove, 106, annular-heating plate, 107, resistive heater, 2, detection means, 3, inert gas ingress pipe, the 4, first air pump, 5th, gas transport conduit, the 6, second air pump, 7, gas detection conduit, 8, gas nozzle, 9, expansion link, 10, fixed seat, 11, anti- Answer container, 12, switch gate, 13, observation area, 14, rubber ring.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1 to Fig. 2 is referred to, the utility model provides a kind of technical scheme：It is a kind of to be used to make the melting quality inspection of PET bottle piece Device, including melting plant 1 and detection means 2, the melting plant 1 include melting plant main body 101, and melting plant main body 101 top is provided with lid 102, and the inner chamber bottom of the melting plant main body 101 is installed with support frame 103, and props up The top of support 103 is installed with placement rack 104, standing groove 105 is offered in the placement rack 104, in standing groove 105 The PET bottle piece for the reclaiming production for needing to detect is placed, and the outside of placement rack 104 is located at the inner chamber of melting plant main body 101 Side wall is installed with annular-heating plate 106, and resistive heater 107, heating electricity are evenly distributed with the annular-heating plate 106 Resistance silk 107 makes annular-heating plate 106 heat the PET bottle piece placed in the standing groove 105 of placement rack 104 after being powered, make PET bottle piece is into molten condition, the heated volatilization of the acetaldehyde contained, and the bottom left side wall of the melting plant main body 101 is plugged with lazy Property gas introduction tube 3, and the first air pump 4 is installed on inert gas ingress pipe 3, passes through the first air pump 4 and inert gas imports Pipe 3 imports inert gas into melting plant main body 101, avoids when being heated to PET bottle piece, acetaldehyde is evaporate into air After reach explosion limit, produce blast, the bottom right side wall of the melting plant main body 101 is plugged with gas transport conduit 5, and Second air pump 6 is installed on gas transport conduit 5, the right-hand member of the gas transport conduit 5 is plugged to the inner chamber of detection means 2, And the right-hand member connection gas detection conduit 7 of gas transport conduit 5, caused gas passes through after the second air pump 6 melts PET bottle piece Gas transport conduit 5 is transported in gas detection conduit 7, and the bottom of the gas detection conduit 7 is installed with gas nozzle 8, gas is sprayed by gas nozzle 8, the inner chamber bottom of the detection means 2 is installed with expansion link 9, and expansion link 9 Top is installed with fixed seat 10, and reaction vessel 11 is connected with the fixed seat 10, Schiff is placed with reaction vessel 11 Reagent, after reaction vessel 11 is placed into fixed seat 10, control expansion link 9 rises, and gas nozzle 8 is insinuated into reaction and holds In device 11, Schiff's reagent can react with acetaldehyde, and color change occurs, magenta sulphurous acid colorimetric is used according to the change of color Method judges the content of acetaldehyde, if the content of acetaldehyde is excessive, then it represents that the PET bottle tablet quality of reclaiming production is unqualified, described The preceding surface of detection means 2 is hinged with switch gate 12, convenient that Schiff's reagent in reaction vessel 11 is changed, the heating Resistance wire 107, the first air pump 4, the second air pump 6 and expansion link 9 connect external power source.

Specifically, the preceding surface of the melting plant 1 and detection means 2 offers observation area 13, passes through observation area 13 facilitate observing response process.

Specifically, the melting plant main body 101 and the junction of upper lid 102 are provided with rubber ring 14, avoid reacting During gas leak.

Operation principle：A kind of device for being used to make the melting quality inspection of PET bottle piece, being placed in standing groove 105 needs what is detected Lid 102 is covered after the PET bottle piece of reclaiming production, is then turned on standing groove 105 of the annular-heating plate 106 to placement rack 104 The PET bottle piece of interior placement is heated, and makes PET bottle piece into molten condition, the heated volatilization of the acetaldehyde contained, meanwhile, pass through first Air pump 4 and inert gas ingress pipe 3 import inert gas into melting plant main body 101, avoid heating to PET bottle piece When, acetaldehyde reaches explosion limit after evaporateing into air, produces blast, after PET bottle piece is completely into molten condition, first passes through out The Schiff's reagent closed the door in 12 replacing reaction vessels 11, is then risen by expansion link 9, gas nozzle 8 is insinuated into reaction and is held In device 11, it is then turned on caused gas after the second air pump 6 melts PET bottle piece and gas is transported by gas transport conduit 5 In detection conduit 7 and by being added to after being sprayed at gas nozzle 8 in reaction vessel 11, held by the observing response of observation area 13 Color change in device 11, the content of acetaldehyde is judged using magenta sulphurous acid colorimetric method according to the change of color, if acetaldehyde Content is excessive, then it represents that the PET bottle tablet quality of reclaiming production is unqualified.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (3)

1. a kind of device for being used to make the melting quality inspection of PET bottle piece, including melting plant（1）And detection means（2）, its feature exists In：The melting plant（1）Including melting plant main body（101）, and melting plant main body（101）Top lid is installed （102）, the melting plant main body（101）Inner chamber bottom be installed with support frame（103）, and support frame（103）Top End is installed with placement rack（104）, the placement rack（104）Inside offer standing groove（105）, and placement rack（104）It is outer Side is located at melting plant main body（101）Intracavity sidewall be installed with annular-heating plate（106）, the annular-heating plate （106）Inside it is evenly distributed with resistive heater（107）, the melting plant main body（101）Bottom left side wall be plugged with inertia Gas introduction tube（3）, and inert gas ingress pipe（3）On the first air pump is installed（4）, the melting plant main body（101）'s Bottom right side wall is plugged with gas transport conduit（5）, and gas transport conduit（5）On the second air pump is installed（6）, the gas Transport catheter（5）Right-hand member be plugged to detection means（2）Inner chamber, and gas transport conduit（5）Right-hand member connection gas detection Conduit（7）, the gas detection conduit（7）Bottom be installed with gas nozzle（8）, the detection means（2）Inner chamber Bottom is installed with expansion link（9）, and expansion link（9）Top be installed with fixed seat（10）, the fixed seat（10） Inside it is connected with reaction vessel（11）, the detection means（2）Preceding surface be hinged with switch gate（12）, the resistive heater （107）, the first air pump（4）, the second air pump（6）And expansion link（9）Connect external power source.

A kind of 2. device for being used to make the melting quality inspection of PET bottle piece according to claim 1, it is characterised in that：The melting Device（1）And detection means（2）Preceding surface offer observation area（13）.

A kind of 3. device for being used to make the melting quality inspection of PET bottle piece according to claim 1, it is characterised in that：The melting Apparatus main body（101）With upper lid（102）Junction be provided with rubber ring（14）.