CN102389749A

CN102389749A - Hydrothermal synthesis reactor

Info

Publication number: CN102389749A
Application number: CN2011103189280A
Authority: CN
Inventors: 孙丰江
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-10
Filing date: 2011-10-10
Publication date: 2012-03-28
Anticipated expiration: 2031-10-10
Also published as: CN102389749B

Abstract

The invention discloses a hydrothermal synthesis reactor which comprises a tank body, a jacket cover, an inner container and an inner cover. The hydrothermal synthesis reactor is characterized in that the bottom of the tank body is sealed, a rotary clamping mechanism is arranged between the jacket cover and the tank body, the inside of the top of the tank body is provided with a sealed step, the jacket cover and a lead screw are matched by threads, the lower end of the lead screw is provided with a sealed pressing plate, and the sealed pressing plate and the sealed step are matched. The hydrothermal synthesis reactor is good in sealing effect, therefore, the leakage of reaction materials can be avoided, and the accuracy of chemical determination can be improved; and because the hydrothermal synthesis reactor is reasonable in design, the service life of the reactor is long. Therefore, the hydrothermal synthesis reactor is an ideal high temperature and high pressure reaction vessel.

Description

A kind of hydrothermal synthesis reaction still

Technical field

The present invention relates to a kind of chemical reaction apparatus, high temperature resistant, the high pressure of especially using, prevent the airtight container revealed for a kind of chemical reaction.

Background technology

The hydrothermal synthesis reaction still is claimed polymerization reaction kettle, high-pressure digestion jar, Pressure solution bullet again, is a kind of closed container that can decompose the indissoluble material.Can be used for the molten appearance preliminary treatment in the analyses such as atomic absorption spectrum and plasma emission; Also can be used for low dose of synthetic reaction; Strong acid or highly basic and high temperature high pressure enclosed environment reach the purpose of clearing up the indissoluble material fast in the tank body also capable of using.Be the competent assistant who clears up sample when measuring trace element and trace element.Advantages such as it has good looking appearance, and is rational in infrastructure, simple to operate, shortens analysis time, and data are reliable.

At present, hydrothermal synthesis reaction still comparatively commonly used generally includes columniform stainless steel tank body, with the upper shield of its threaded engagement; And the polytetrafluoroethylliner liner of placing in the inner chamber, convenient to remove after reaction is accomplished for making things convenient for inner bag, tank base is not an integrative-structure; But being provided with concentric circular hole in the bottom, the circular hole top is provided with the pad greater than its radius, because the existence of the circular hole of tank base; And tank body and upper shield adopt the thread connecting mode degree of tightening to vary with each individual; Cause the sealing of hydrothermal synthesis reaction still to cannot say for sure to be prone to card reactive material and to reveal, influence experimental test data; If the material of revealing is poisonous, also can pollute surrounding environment.

In addition, be threaded because upper shield adopts with tank body, because its operation is more frequent, thread abrasion is very fast, influences the service life of hydrothermal synthesis reaction still; For increasing the sealing of pad and tank base circular hole, normally be provided with stage clip at the upper shield downside, cause whole utensil appurtenances more, in case of damaging the use that influences entire equipment.

Summary of the invention

For overcoming above-mentioned technological technical problem; The present invention adopts following technical scheme to realize: a kind of hydrothermal synthesis reaction still, but comprising the inner bag, the inner cap that cooperates with inner bag of upper shield independent assortment of tank body, the top of a cylindricality, described tank body, upper shield employing stainless steel material high temperature resistant, high pressure are processed; Inner bag, inner cap then adopt the strong polytetrafluoroethylmaterial material of anti acid alkali performance to process; It is characterized in that: the bottom of tank body is a closed structure, and upper shield can be enclosed within the outside, tank body top, is provided with the rotation clamping body between the two; Can limit both behind the chucking relatively moves up and down; The tank body inside top is provided with a sealed step, and upper shield cooperates with a leading screw through screw thread at circle centre position, and the lower end of leading screw is fixed on the sealing clamp that a stainless steel processes; The inboard sealed step of sealing clamp and tank body is sealed and matched, and keeps the seal in the space below the sealing clamp in the tank body.

The prerequisite that sealing clamp and sealed step are combined closely is that the relative upper shield of leading screw is moved down; And the equal smoother in upper shield, leading screw upper end; For reducing the simplification of operation, the upper end of leading screw is fixed with an adjusting nut, and the upper end centre of upper shield is provided with a hold-down nut; And the leading screw upper section be provided with one can insert swing arm via hole, promptly be convenient to operation through instruments such as spanner, screwdrivers.

Because in order to guarantee the tank body sealing in when work, tank base is not provided with circular hole, the taking-up of inner bag just becomes a problem; For this reason; The present invention has a cannelure in the upper surface of inner cap, is filled with high temperature resistant magnet in the cannelure, because sealing clamp adopts stainless steel material to process; Through the attraction of magnet, inner bag is taken out it.

The present invention has following beneficial effect: because tank body is not directly to seal through upper shield, has omitted helicitic texture between the two, but matched through the revotating card locking structure, service life is longer; Simultaneously because the tank body upper end adopts sealing gland, sealed step to seal; Tank base is not established circular hole; Sealing when effectively having improved chemical reaction; Overcome gland in the past and use back easy deformation several times influence the deficiency of container seal, reduced drawbacks such as pollution that the chemical substance leakage brings or testing result error are bigger.

Description of drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is the tank structure sketch map.

Fig. 3 is inner bag and inner cap structural representation.

Fig. 4 cuts structural representation for the present invention open along central axis.

Fig. 5 is the upper shield structural representation.

Fig. 6 is sealing clamp and screw structure sketch map.

Fig. 7 is the structural representation behind the setting pressure table of the present invention.

Among the figure, 1, tank body, 2, upper shield, 3, hold-down nut, 4, swing arm; 5, adjusting nut, 6, leading screw, 7, stainless steel tube, 8, Pressure gauge, 9, sealed step; 10, boss, 11, no land areas, 12, inner bag, 13, inner cap, 14, high temperature resistant magnet; 15, fixture block, 16, screw, 17, sealing clamp, 18, screw thread.

The specific embodiment

Referring to accompanying drawing 1,4, tank body 1 is cylindricality, and its top is provided with upper shield 2; Be provided with the rotation clamping body between the two, and both process upper shield 2 bottom seals by stainless steel material; The top is open; Inner chamber is used to place inner bag 12, and inner bag 12 tops are provided with the inner cap 13 of cooperation, and described inner bag 12, inner cap 13 all have the good polytetrafluoroethylmaterial material of anti acid alkali performance to process;

Referring to accompanying

drawing

2,4,5; Tank body 1 is provided with the rotation clamping body with upper shield 2, described rotation clamping body be in tank body 1 top outer to being protruded with three boss 10 that shape is identical, the inboard, lower end of upper shield 2 then is provided with three to projecting inward fixture block 15; The no land areas 11 that the fixture block of upper shield 2 15 is aimed at tank bodies 1 top; Can upper shield 2 be enclosed within tank body 1 top, rotate upper shield 2 then and make fixture block 15 be positioned at boss 10 downsides, this moment, both moving up and down obtained restriction; And by accompanying drawing 2, shown in 4, tank body 1 inside top is provided with a sealed step 9, and sealed step 9 bottoms are higher than inner cap 13;

Referring to accompanying

drawing

1,4,5,6; Upper shield 2 upper ends are fixed with a hold-down nut 3 at circle centre position, and hold-down nut 3 and upper shield 2 are provided with the screw 16 that runs through, and what screw 16 cooperated therewith is the leading screw 6 that a middle and lower part has screw thread 18; Leading screw 6 is processed by stainless steel material; Its upper end is fixedly connected with adjusting nut 5, and its lower end is fixed on the center of circle of circular sealing clamp 17, and sealing clamp 17 adopts stainless steel material to process; It can be sealed and matched with aforesaid sealed step 9, is the convenient position of regulating leading screw 6; The upper section of leading screw 6 is provided with the via hole that can insert swing arm 4;

Referring to accompanying drawing 3,4; Because tank body 1 bottom is not provided with circular hole; The taking-up of inner bag 12 just becomes a problem, and for this reason, the present invention has a cannelure in the upper surface of inner cap 13; Be filled with high temperature resistant magnet 14 in the cannelure, sealing clamp 17 is through taking out inner bag 12 with the attraction of high temperature resistant magnet 14;

Referring to accompanying drawing 7, owing to need the pressure in the control agitated reactor in the part chemical reaction process, can leading screw 6, sealing clamp 17 be processed into hollow-core construction, and leading screw 6 tops are connected with Pressure gauge 8 through stainless steel tube 7.

Its sealing principle is: after inner bag 12, inner cap 13 seal combination, be positioned in the chamber of tank body 1, upper shield 2 and tank body 1 are tightened through the rotation clamping body; Through spanner hold-down nut 3 is fixed then, through swing arm 4 or spanner rotating threaded shaft 6 it is moved down then, after moving down to a certain degree; Sealing clamp 17 falls in the sealed step 9; Both combine closely and play in the chamber effect of sealing, and for playing better sealing, but between adds the high-temperature resistant rubber pad.

Claims

1. hydrothermal synthesis reaction still, but comprise the inner bag, the inner cap that cooperates with inner bag of upper shield independent assortment of tank body, the top of a cylindricality, and it is characterized in that: the bottom of tank body is a closed structure; Upper shield can be enclosed within the outside, tank body top; Be provided with the rotation clamping body between the two, the tank body inside top is provided with a sealed step, and upper shield cooperates with a leading screw through screw thread at circle centre position; The lower end of leading screw is fixed on the sealing clamp, and the inboard sealed step of sealing clamp and tank body is sealed and matched.

2. a kind of hydrothermal synthesis reaction still as claimed in claim 1, it is characterized in that: the upper end of leading screw is fixed with an adjusting nut, and the upper end centre of upper shield is provided with a hold-down nut, and the leading screw upper section be provided with one can insert swing arm via hole.

3. a kind of hydrothermal synthesis reaction still as claimed in claim 1, it is characterized in that: the upper surface of inner cap has a cannelure, is filled with high temperature resistant magnet in the cannelure.

4. a kind of hydrothermal synthesis reaction still as claimed in claim 1 is characterized in that: described rotation clamping body be in the tank body top outer to being protruded with three boss that shape is identical, the inboard, lower end of upper shield then is provided with three to projecting inward fixture block.