CN214218246U

CN214218246U - Toluene rectification recovery unit

Info

Publication number: CN214218246U
Application number: CN202120072619.9U
Authority: CN
Inventors: 李月朝; 刘传军; 王银强; 杨少旺; 程国强; 王世奇; 李亮; 侯延领; 孙斌
Original assignee: Puyang Zhonghui New Energy Technology Co ltd
Current assignee: Puyang Zhonghui New Energy Technology Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-09-17
Anticipated expiration: 2031-01-12

Abstract

The utility model relates to a toluene recovery unit field, concretely relates to toluene rectification recovery unit. Including upper end open-ended box, the box left end is fixed with rather than the pipe that advances of inside intercommunication, and the box right-hand member is fixed with rather than the exit tube of inside intercommunication, and fixed sealing connection can be dismantled to the box upper end has the apron, is provided with condensing equipment between apron and the box bottom plate, is fixed with the liquid pipe on the left box bottom plate of condensing equipment, and liquid pipe and the inside intercommunication of box. The utility model discloses, toluene recovery efficiency is high, can carry out collection after thorough condensation to toluene, and the degree of difficulty and the cost of recovery unit maintenance or maintenance are lower, and recovery unit is whole simple, and the input cost is low.

Description

Toluene rectification recovery unit

Technical Field

The utility model relates to a toluene recovery unit field, concretely relates to toluene rectification recovery unit.

Background

Toluene was a colorless clear liquid. Has a benzene-like odor. Has strong refractivity. Can be mixed with ethanol, diethyl ether, acetone, chloroform, carbon disulfide and glacial acetic acid, and is very slightly soluble in water. For chemical production, the wastewater contains more methylbenzene, so that the extraction is realized by adopting a rectification mode at present, the recovery efficiency of the existing recovery device is low, the methylbenzene cannot be thoroughly collected, and meanwhile, the recovery device is high in maintenance difficulty and cost, and the equipment is complex in whole and high in investment cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a toluene recovery efficiency is high, can carry out thorough collection to toluene, and the degree of difficulty and the cost of recovery unit maintenance or maintenance are lower, and recovery unit is whole simple, toluene rectification recovery unit that the input cost is low.

In order to realize the purpose, the utility model provides a technical scheme is:

the utility model provides a toluene rectification recovery unit, includes upper end open-ended box, and the box left end is fixed with rather than the pipe that advances of inside intercommunication, and the box right-hand member is fixed with rather than the exit tube of inside intercommunication, and fixed sealing connection has the apron can be dismantled to the box upper end, is provided with condensing equipment between apron and the box bottom plate, is fixed with the liquid pipe on the left box bottom plate of condensing equipment, and liquid pipe and the inside intercommunication of box.

The condensing device comprises two hollow distribution discs which are symmetrically arranged up and down, the upper distribution disc is fixed at the lower end of a cover plate, an inlet pipe is fixed on the cover plate, the lower end of the inlet pipe extends into the upper distribution disc, the lower end of the lower distribution disc is contacted with a box body bottom plate, a plurality of heat exchange boxes are fixed between the upper distribution disc and the lower distribution disc, the heat exchange boxes are uniformly distributed in the longitudinal direction and are communicated with the upper distribution disc and the lower distribution disc, a plurality of fin plates are fixed on the opposite end surfaces of the two adjacent heat exchange boxes, the fin plates are staggered and have coincident parts, a fixing sleeve is fixed on the bottom plate of the lower distribution disc and is communicated with the lower distribution disc, a calandria concentric with the fixing sleeve is fixed on the bottom plate of the box body below the fixing sleeve, the upper ends of the calandria extend into the fixing sleeve and are hermetically connected with the fixing sleeve, the front end surface and the rear end surface of the distribution disc are level with the end surfaces of the front heat exchange box and the rear heat exchange boxes, baffles are fixed on the front side and the rear side of the condensing device, the rubber strips are fixed on the end faces of the two baffle plates, the rubber strips on the front side and the rear side are in sealing contact with the front side wall and the rear side wall of the box body respectively, the upper ends of the baffle plates are fixedly connected with the cover plate, and the lower ends of the baffle plates are in contact with the bottom plate of the box body.

Specifically, the upper end of the box body is fixed with a sealing ring, and the upper end of the box body is connected with the lower end of the cover plate in a sealing mode through the sealing ring.

Specifically, a plurality of vertical slide rails are fixed on the right side wall of the box body, a slide block corresponding to the slide rails is fixed at the right end of the distribution plate, and the slide block is connected in the slide rails in a sliding and clamping mode.

Specifically, a sealing sleeve is fixed in the fixed sleeve, and the exhaust pipe is in sealing connection with the fixed sleeve through the sealing sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, toluene recovery efficiency is high, can carry out collection after thorough condensation to toluene, and the degree of difficulty and the cost of recovery unit maintenance or maintenance are lower, and recovery unit is whole simple, and the input cost is low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a bottom view of the heat exchange box in cooperation with the distribution plate above.

Detailed Description

As shown in fig. 1-2, a toluene rectification recovery device comprises a box body 1 with an opening at the upper end, wherein a pipe inlet 2 communicated with the inside of the box body 1 is fixed at the left end of the box body 1, a pipe outlet 9 communicated with the inside of the box body 1 is fixed at the right end of the box body 1, a cover plate 3 can be detachably, fixedly and hermetically connected to the upper end of the box body 1, a sealing ring 4 is fixed at the upper end of the box body 1, the upper end of the box body 1 and the lower end of the cover plate 3 are hermetically connected through the sealing ring 4, a condensing device is arranged between the cover plate 3 and a bottom plate of the box body 1, a liquid pipe 12 is fixed on the bottom plate of the box body 1 at the left side of the condensing device, and the liquid pipe 12 is communicated with the inside of the box body 1.

The condensing device comprises two hollow distribution discs 5 which are symmetrically arranged up and down, the upper distribution disc 5 is fixed at the lower end of a cover plate 3, an inlet pipe 6 is fixed on the cover plate 3, the lower end of the inlet pipe 6 extends into the upper distribution disc 5, the lower end of the lower distribution disc 5 is contacted with the bottom plate of a box body 1, a plurality of vertical slide rails 7 are fixed on the right side wall of the box body 1, a slide block 8 corresponding to the slide rail 7 is fixed at the right end of the distribution disc 5, the slide block 8 is slidably clamped in the slide rail 7, a plurality of heat exchange boxes 15 are fixed between the upper distribution disc 5 and the lower distribution disc 5, the heat exchange boxes 15 are uniformly distributed in the longitudinal direction, the heat exchange boxes 15 are communicated with the upper distribution disc 5 and the lower distribution disc 5, a plurality of fin plates 16 are fixed on the opposite end surfaces of the two adjacent heat exchange boxes 15, the fin plates 16 are staggered and provided with a coincidence part, a fixed sleeve 10 is fixed on the bottom plate of the lower distribution disc 5, the fixed sleeve 10 is communicated with the lower distribution disc 5, be fixed with rather than endocentric calandria 11 on 1 bottom plate of box of fixed cover 10 below, calandria 11 upper end extend to fixed cover 10 in and with fixed cover 10 sealing connection, fixed cover 10 internal fixation has the seal cover, calandria 11 passes through seal cover sealing connection with fixed cover 10, terminal surface and the terminal surface parallel and level that two heat exchange box 15 carried on the back mutually around the distribution disk 5, both sides all are fixed with baffle 13 around the condensing equipment, all are fixed with rubber strip 14 on the terminal surface that two baffle 13 carried on the back mutually, the rubber strip 14 of both sides around respectively with the box 1 around lateral wall sealing contact, baffle 13 upper end and apron 3 fixed connection, baffle 13 lower extreme and the contact of 1 bottom plate of box.

When the utility model is used, the liquid pipe 12 is communicated with the toluene collecting device, the inlet pipe 2 is communicated with the outlet of the distiller, the inlet pipe 6 and the exhaust pipe 11 are communicated with the condensation medium inlet pipe and the condensation medium outlet pipe, and finally the outlet pipe 9 is communicated with the purifier, when the utility model is in use, the condensation medium circulates in the distribution disc 5 and the heat exchange box 15, the distiller heats and vaporizes the toluene in the liquid in the distiller to form toluene vapor, after the toluene vapor enters the box body 1, the toluene vapor moves to the right side direction from the space between two adjacent heat exchange boxes 15 under the blocking action of the baffle 13, the heat exchange boxes 15 and the fin plates 16 transfer heat with the toluene vapor, the fin plates 16 can increase the contact area between the heat exchange boxes 15 and the toluene vapor, the toluene vapor condenses to form liquid toluene in the box body 1 and gathers at the bottom of the box body 1, when the toluene vapor moves to the right side direction from the space between two adjacent heat exchange boxes 15, under the blocking effect of the fin plate 16, the toluene steam moves in a baffling manner in the space between the two adjacent heat exchange boxes 15, so that the contact time of the toluene steam with the heat exchange boxes 15 and the fin plate 16 can be prolonged, the toluene steam can be completely condensed, and the recovery efficiency is improved. The toluene solution gradually gathers at the bottom of the box body 1, and the toluene solution is discharged and collected periodically.

When needs maintain condensing equipment, can dismantle the separation from 1 upper ends of box with lid 3 board, then can take out condensing equipment from 1 internal, condensing equipment can conveniently maintain distribution disc 5 and heat transfer box 15 after taking out from 1 internal, the maintenance is accomplished the back, in the box 1 with condensing equipment installation, condensing equipment puts down the in-process in the box 1, stability when condensing equipment installation can be guaranteed in the cooperation of slider 8 and slide rail 7, can make 11 upper ends of calandria stable sealed pegging graft in fixed cover 10, make things convenient for the maintenance to maintain.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A toluene rectification recovery device comprises a box body with an opening at the upper end, and is characterized in that an inlet pipe communicated with the inside of the box body is fixed at the left end of the box body, an outlet pipe communicated with the inside of the box body is fixed at the right end of the box body, a cover plate is detachably, fixedly and hermetically connected at the upper end of the box body, a condensing device is arranged between the cover plate and a bottom plate of the box body, a liquid pipe is fixed on the bottom plate of the box body at the left side of the condensing device and communicated with the inside of the box body,

2. The rectification and recovery device for toluene according to claim 1, wherein a sealing ring is fixed at the upper end of the box body, and the upper end of the box body is hermetically connected with the lower end of the cover plate through the sealing ring.

3. The toluene rectification and recovery device as claimed in claim 1, wherein a plurality of vertical slide rails are fixed on the right side wall of the box body, and a slide block corresponding to the slide rails is fixed on the right end of the distribution plate and is slidably clamped in the slide rails.

4. The rectification and recovery device for toluene as claimed in claim 1, wherein a sealing sleeve is fixed in the fixed sleeve, and the exhaust pipe and the fixed sleeve are hermetically connected through the sealing sleeve.