CN209362457U - A kind of catalyst transfer device - Google Patents
A kind of catalyst transfer device Download PDFInfo
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- CN209362457U CN209362457U CN201821835242.2U CN201821835242U CN209362457U CN 209362457 U CN209362457 U CN 209362457U CN 201821835242 U CN201821835242 U CN 201821835242U CN 209362457 U CN209362457 U CN 209362457U
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- suction
- lid
- hole
- vinyl chloride
- catalyst
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Abstract
The utility model relates to VCM synthesis fields, disclose a kind of catalyst transfer device, which includes: lid and suction unit；The cover cap is located at the top of the vinyl chloride converter；The lid is equipped with the suction hole being connected to the inner cavity of the vinyl chloride converter；The suction unit includes: suction tube and suction pump；The suction tube is inserted into the suction hole, is connected to the reaction tube in the vinyl chloride converter, and extract the catalyst in the reaction tube by the suction pump.A kind of catalyst transfer device provided by the utility model, the automation that can be realized catalyst transfer carries out, compared with traditional manual operation, easy to operate, transfer efficiency is high, time saving and energy saving, and the reaction tube coverd part equipped with catalyst is encapsulated in converter, reduce the chance that human body is contacted with mercury, avoid mercury harm caused by human body, realizes green engineering construction.
Description
Technical field
The utility model relates to VCM synthesis fields, more particularly to a kind of catalyst transfer device.
Background technique
Vinyl chloride monomer is the raw material of polyvinyl chloride polymerization reaction, and during carbide produces PVC, calcium carbide hydrolysis is generated
Acetylene gas and caustic soda prepare two kinds of gas reactions of hydrogen chloride and obtain vinyl chloride monomer, reaction equation is as follows:
CHCH+HCl→CH2CHCl+124.8kJ/mol
Existing vinyl chloride monomer synthesis technology is as follows: acetylene and hydrogen chloride gas enter foreground after mixed dehydration and convert
Device, filling load has the active carbon of low-mercury catalyst in tube of convertor, and catalyzing acetylene and hydrogen chloride synthetic reaction generate chloroethene
Alkene monomer.In the technique, the conversion ratio of acetylene is 70-80% in the converter of foreground, and reaction product and unconverted unstripped gas are again
Into backstage converter, the reaction was continued, finally conversion of alkyne is made to reach 97-99% or more.It is loaded in the converter of backstage active
Higher low-mercury catalyst, the catalyst General Life of vinyl chloride monomer synthetic reaction is 8000 hours or so, in use process
In, catalyst activity can decline because activity substance content reduces, therefore the lower low mercury of activity loaded in the converter of foreground
The low-mercury catalyst that catalyst can be used after the converter use of backstage is recycled, when backstage converter outlet acetylene content
When more than 3%, the extraction of the catalyst in the converter of backstage can be reloaded into the converter of foreground and be reused, and foreground converts
The catalyst that device is drawn off then is scrapped, however, in the actual operation process, whole process needs artificial overturn to be unloaded and filled
Fill out, overturn a converter catalyst and 3-4 worker is needed to work at the same time, heavy workload, and in operation process contact mercury chloride and
Active carbon dust can be done harm to huamn body.
Utility model content
(1) technical problems to be solved
Purpose of the utility model is to solve the mercuric chloride catalysts in vinyl chloride converter in the prior art to carry out
The technical issues of mercury endangers can be generated when transfer, and a kind of catalyst transfer device is provided.
(2) technical solution
For the technical problems in the prior art, the utility model provides a kind of catalyst transfer device, for shifting
Catalyst in vinyl chloride converter is provided with multiple reaction tubes placed vertically in the vinyl chloride converter, comprising: lid and
Suction unit；The cover cap is located at the top of the vinyl chloride converter；The lid is equipped with to be converted with the vinyl chloride
The suction hole of the inner cavity connection of device；The suction unit includes: suction tube and suction pump；The suction tube is inserted into the suction hole
It is interior, it is connected to the reaction tube in the vinyl chloride converter, and the catalyst in the reaction tube is extracted by the suction pump.
Further, at least one suction hole is set on the lid, a hole is respectively set outside each suction hole
Lid.
Further, the lid can rotate around the central axes of the vinyl chloride converter, and on the lid
Diametrically it is disposed proximate to suction hole described in a row.
Further, a suction hole correspondence is connected to a reaction tube.
Further, a suction hole correspondence is connected to multiple reaction tubes；It is correspondingly arranged in each suction hole
One suction connection member, the top of each suction connection member are rotatably connected with the inner wall of the corresponding suction hole, bottom
Portion is equipped with the groove that can surround multiple reaction tube nozzles；And the slot bottom of the groove is abutted with the nozzle of the reaction tube；Each
Be equipped with through-hole in the suction connection member, one end of the through-hole and the corresponding suction hole connection, the other end with it is corresponding described in
Groove connection；The port lid is arranged outside the through-hole.
Further, the top of each suction connection member is connected with the inner wall of the corresponding suction hole by rolling bearing
It connects.
Further, the lid can rotate around the central axes of the vinyl chloride converter, and the suction hole
For the scallop hole with the concyclic heart of lid.
Further, the port lid and the suction hole are hinged.
Further, the edge of the port lid is equipped with convex block, and the hole wall of the suction hole is equipped with and the convex block pair
The card slot that should be clamped.
Further, the lid is made of cover board and coupled coaming plate；The coaming plate inner sidewall is equipped with annular
Male part, the top outer of the vinyl chloride converter are equipped with the annular groove of clamping corresponding with the annular outer portion.
(3) beneficial effect
A kind of catalyst transfer device provided by the utility model, is mainly used for being loaded with mercury catalyst in vinyl chloride converter
Reaction tube is encapsulated in converter by setting a lid in 3 top cover of vinyl chloride converter, passes through pumping by the transfer of catalyst
Sucker insertion suction tube is connect with reaction tube, negative-pressure ward is carried out using suction pump, to realize catalyst in vinyl chloride converter
Transfer, whole process realizes that automation carries out, easy to operate compared with traditional manual operation, and transfer efficiency is high, time saving province
Power, and the reaction tube coverd part equipped with catalyst is encapsulated in converter, is reduced the chance that human body is contacted with mercury, is avoided mercury pair
It is endangered caused by human body, realizes green engineering construction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the utility model catalyst transfer device；
Fig. 2 is the positive structure diagram of one embodiment of lid in the utility model catalyst transfer device；
Fig. 3 is the overlooking structure diagram of one embodiment of lid in the utility model catalyst transfer device；
Fig. 4 is the overlooking structure diagram of another embodiment of lid in the utility model catalyst transfer device；
Fig. 5 is the cut-away view of one embodiment of suction connection member in the utility model catalyst transfer device.
Wherein:
1: lid；2: suction unit；3: vinyl chloride converter；
4: suction connection member；11: suction hole；12: port lid；
21: suction tube；22: suction pump；31: reaction tube；
41: groove；42: through-hole；101: cover board；
102: coaming plate；102a: annular outer portion；111: card slot；
121: convex block.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In conventional vinyl chloride monomer synthesis technology, catalyst is usually to load the active carbon for having mercury catalyst, is loaded in chloroethene
In the multiple reaction tubes 31 placed vertically in alkene converter 3, acetylene and hydrogen chloride gas enter foreground chlorine after mixed dehydration
In the reaction tube 31 of ethylene converter 3, vinyl chloride monomer is obtained by catalysis reaction, reaction product and unconverted unstripped gas are again
Into the reaction was continued in backstage vinyl chloride converter 3, the higher vinyl chloride monomer of conversion ratio is obtained.And in the process, foreground
The catalyst of the low-mercury catalyst after overturning is used in vinyl chloride converter 3, is urged in backstage vinyl chloride converter 3 using fresh low mercury
The catalyst of agent, with the consideration of energy saving resource view, in backstage vinyl chloride converter 3 after the reaction was completed, in catalyst can
It is transferred in foreground and reuses, however in transfer process, the mercury in catalyst may be done harm to huamn body, to avoid producing
Raw mercury harm, the utility model provide a kind of catalyst transfer device, which is mainly used for shifting the touching in vinyl chloride converter 3
Matchmaker, it can also be used to which the transfer of heavy metal harmful substance ingredient in other containers, the utility model is with the touching in vinyl chloride converter 3
Matchmaker's transfer is illustrated as embodiment, the transfer of ingredient in other equipment can analogy the present embodiment structure and operation, exist
In the protection scope of the utility model.
Fig. 1 gives the structural schematic diagram of one embodiment of the utility model catalyst transfer device, as shown in Figure 1, the catalyst
Transfer device includes: lid 1 and suction unit 2；The lid 1 covers the top for being located at the vinyl chloride converter 3；The lid
1 is equipped with the suction hole 11 being connected to the inner cavity of the vinyl chloride converter 3；The suction unit 2 includes: 21 He of suction tube
Suction pump 22；The suction tube 21 is inserted into the suction hole 11, is connected to the reaction tube 31 in the vinyl chloride converter 3,
And the catalyst in the reaction tube 31 is extracted by the suction pump 22.
Specifically, multiple reaction tubes 31, the quantity of usual reaction tube 31 are placed in the inner cavity of vinyl chloride converter 3 vertically
Be 2700, be cylinder type, cuboid-type structure etc., nozzle upward and it is placed side by side together, the original of acetylene and hydrogen chloride
Material gas, which sequentially enters in each reaction tube 31, carries out catalysis reaction.When carrying out catalyst suction transfer, vinyl chloride converter is unloaded
3 top cover, be at the top of vinyl chloride converter 3 it is open, reaction tube 31 of the exposure in it changes the lid 1 of the utility model at this time,
The top in vinyl chloride converter 3 is covered, reaction tube 31 is encapsulated in vinyl chloride converter 3.The lid 1 is equipped with suction hole
11, for the insertion of suction tube 21, suction tube 21 is inserted into vinyl chloride converter 3 out of this suction hole 11, and passes through suction pump 22
The catalyst in negative pressure extracting pipe is carried out, after the completion of suction, suction tube 21 is socketed on next reaction tube 31 and is carried out next time
Suction.
Fig. 2 is the positive structure diagram of one embodiment of lid in the utility model catalyst transfer device；Fig. 3 is that this is practical
The overlooking structure diagram of one embodiment of lid in Novel catalyst transfer device.As shown in Figures 2 and 3, lid 1 can be by cover board 101
It is constituted with coupled coaming plate 102,102 inner sidewall of coaming plate is equipped with annular outer portion 102a, the vinyl chloride conversion
The top of device 3 is placed in the cavity that the coaming plate 102 surrounds, and is abutted with the annular outer portion 102a, but the utility model
It is not limited to the structure.Suction hole 11 on lid 1 is settable multiple, and each suction hole 11 is respectively provided with a port lid 12, port lid 12
Size it is corresponding with the size of suction hole 11, aspirate front cover on port lid 12, when being aspirated, open one of port lid 12 into
Row suction.The corresponding exposure range of suction hole 11 can be a reaction tube 31, can also be multiple reaction tubes 31, such as 1-10 anti-
It should pipe 31；The shape of suction hole 11 can be round, rectangular or fan-shaped.
Rubber tube can be used in suction tube 21, corresponding with the size of reaction tube 31, is socketed in after insertion suction hole 11 is interior
It is aspirated on one of reaction tube 31；Water ring vacuum pump can be used in suction pump 22, and vacuum degree can be adjusted according to demand
Section.
It should be noted that needing the catalyst in the vinyl chloride converter 3 by backstage in vinyl chloride monomer synthesis technology
It is transferred in the vinyl chloride converter 3 of front and back, in transfer process, this can be set in 3 upper cover of front and back vinyl chloride converter respectively
The lid 1 of utility model embodiment, and be connected respectively by a suction tube 21 with suction pump 22, carry out the transfer of catalyst.
A kind of catalyst transfer device provided by the embodiment of the utility model is mainly used for being loaded with mercury in vinyl chloride converter 3
Reaction tube 31 is encapsulated in conversion by setting a lid 1 in 3 top cover of vinyl chloride converter by the transfer of the catalyst of catalyst
In device, suction tube 21 is inserted by suction hole 11 and is connect with reaction tube 31, carry out negative-pressure ward using suction pump 22, to realize
The transfer of catalyst in vinyl chloride converter 3, whole process realizes that automation carries out, compared with traditional manual operation, operation letter
Single, transfer efficiency is high, time saving and energy saving, and 31 coverd part 1 of reaction tube equipped with catalyst is encapsulated in converter, reduce human body with
The chance of mercury contact, avoids mercury harm caused by human body, realizes green engineering construction.
In view of being equipped with multiple reaction tubes 31 in vinyl chloride converter 3, in order to realize that the catalyst in multiple reaction tubes 31 turns
It moves, based on the above embodiment, in the present embodiment, lid 1 can rotate around the central axes of the vinyl chloride converter 3.Tool
Body, lid 1 is made of cover board 101 and coupled coaming plate 102, and lid 1 is being covered at the top of vinyl chloride converter 3,
Coaming plate 102 is disposed around the top outer of vinyl chloride converter 3, and the inside of coaming plate 102 is equipped with annular outer portion 102a, vinyl chloride
The top outer of converter 3 is equipped with the annular groove of clamping corresponding with the annular outer portion 102a, and male part can be in a ring groove
Sliding, so that lid 1 can rotate at the top of vinyl chloride converter 3.Suction hole 11 is located at the non-central place of lid 1, can be with lid
The rotation of body 1 realizes the transfer of catalyst in multiple regions reaction tubes 31 by a zone-transfer to next region.
On the basis of the various embodiments described above, in the present embodiment, row pumping can be diametrically disposed proximate on lid 1
Sucker 11, almost gapless can cover the reaction tube in whole region under the rotation of lid 1 between every two suction hole 11
31, realize the transfer of catalyst in all reaction tubes 31 in vinyl chloride converter 3.
Wherein, a suction hole 11 can be corresponded to is connected to a reaction tube 31, the size in hole and anti-
Should pipe 31 size it is consistent, suction tube 21 insertion when, can be directly targeted to a reaction tube 31 nozzle docking, can keep away
Exempt from human body to contact when being socketed suction tube 21 with the direct of reaction tube 31, meanwhile, in suction transfer process, vinyl chloride converter
3 can realize thorough seal, can largely reduce mercury injury.
In addition, a suction hole 11 can also be corresponded to and is connected to multiple reaction tubes 31 namely the lower section of suction hole 11 is right
Answer multiple reaction tubes 31.For the structure, it can be correspondingly arranged a suction connection member 4 in each suction hole 11, each
The top of the suction connection member 4 is rotatably connected with the inner wall of the corresponding suction hole 11, and bottom is multiple equipped with that can surround
The groove 41 of 31 nozzle of reaction tube, and the slot bottom of the groove 41 is abutted with the nozzle of the reaction tube 31；Each suction
Be equipped with through-hole 42 in connector 4, one end of the through-hole 42 and the corresponding connection of suction hole 11, the other end with it is corresponding described recessed
Slot 41 is connected to；The port lid 12 is arranged outside the through-hole 42.
Specifically, Fig. 5 is the cut-away view of one embodiment of suction connection member in the utility model catalyst transfer device.Such as Fig. 5
Shown, suction connection member 4 is arranged between suction hole 11 and reaction tube 31, and the groove 41 of bottom can be right by 11 lower section of suction hole
The top for the multiple reaction tubes 31 answered is wrapped in it, thus when realizing suction, the sealing of reaction tube 31；Through-hole 42 is for being connected to
Reaction tube 31 and outside, the size of through-hole 42 may be designed to just cover 31 nozzle of reaction tube, and shape can be
It is round, rectangular or fan-shaped；The nozzle of reaction tube 31 is abutted with the groove bottom of groove 41, can facilitate the grafting of suction tube 21, suction
Pipe 21 is inserted into through-hole 42 and can be connected to reaction tube 31, to be aspirated.4 top of each suction connection member and corresponding institute
The inner wall for stating suction hole 11 can be connected by rolling bearing, or annular wing plate is arranged at the top of it, which is shelved on
Outside the suction hole 11, to realize rotation of the suction connection member 4 in suction hole 11, wherein can be at the top of suction connection member 4
Handle is set, convenient for rotation operation.The non-the center point of suction connection member 4 is arranged in through-hole 42, can be in the rotation of suction connection member 4
Lower realization is docked and connected with multiple reaction tubes 31.On the one hand suction connection member 4 can play the role of sealing, on the other hand can be
Rotation, suction tube 21 can carry out catalyst in multiple reaction tubes 31 in the process without being socketed and unloading in suction hole 11
Transfer can further decrease mercury injury, and easy to operate, and suction transfer efficiency is high.
In addition, through-hole 42 can be designed as scallop hole, with the concyclic heart of suction connection member 4；Or each suction connects
The row through-hole 42 is diametrically disposed proximate in fitting 4.Through-hole 42 can cover suction under the rotation of suction connection member 4
The entire reaction tube 31 of 11 lower zone of hole.
Fig. 4 is the overlooking structure diagram of another embodiment of lid in the utility model catalyst transfer device.Above-mentioned each
On the basis of embodiment, in the present embodiment, as shown in figure 4, suction hole 11 is designed to sector structure, and with the concyclic heart of lid 1
Point, the scallop hole is only arranged on lid 1 can dock the reaction tube covered in whole region under the rotation of lid 1
31.Wherein, the port lid 12 and 11 hole of the suction hole inside are hinged, and the edge of the port lid 12 is equipped with convex block 121, described
The hole wall of suction hole 11 is equipped with the card slot 111 of clamping corresponding with the convex block 121.Port lid 12 can be hinged on the arc side of scallop hole
On, convex block 121 is correspondingly arranged at the centre point of port lid 12, and a fixed plate, the side of fixed plate is arranged in the center point of lid 1
Side is arranged card slot 111 corresponding with the convex block 121 on port lid 12 and is clamped.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of catalyst transfer device is provided in the vinyl chloride converter for shifting the catalyst in vinyl chloride converter
Multiple reaction tubes placed vertically characterized by comprising lid and suction unit；
The cover cap is located at the top of the vinyl chloride converter；The lid be equipped with in the vinyl chloride converter
The suction hole of chamber connection；
The suction unit includes: suction tube and suction pump；The suction tube is inserted into the suction hole, is turned with the vinyl chloride
Change the reaction tube connection in device, and the catalyst in the reaction tube is extracted by the suction pump.
2. catalyst transfer device according to claim 1, which is characterized in that at least one suction is arranged on the lid
A port lid is respectively set in hole, each suction hole outside.
3. catalyst transfer device according to claim 2, which is characterized in that the lid can be around the vinyl chloride converter
Central axes rotate, and suction hole described in a row is diametrically disposed proximate on the lid.
4. catalyst transfer device according to claim 3, which is characterized in that a suction hole is corresponding and described in one
Reaction tube connection.
5. catalyst transfer device according to claim 3, which is characterized in that a suction hole correspondence is reacted with multiple
Pipe connection；
Be correspondingly arranged a suction connection member in each suction hole, the top of each suction connection member with it is corresponding described in
The inner wall of suction hole is rotatably connected, and bottom is equipped with the groove that can surround multiple reaction tube nozzles；And the slot bottom of the groove
It is abutted with the nozzle of the reaction tube；Be equipped with through-hole in each suction connection member, one end of the through-hole with it is corresponding described in
Suction hole connection, the other end are connected to the corresponding groove；The port lid is arranged outside the through-hole.
6. catalyst transfer device according to claim 5, which is characterized in that the top of each suction connection member with it is right
The inner wall of the suction hole is answered to connect by rolling bearing.
7. catalyst transfer device according to claim 2, which is characterized in that the lid can be around the vinyl chloride converter
Central axes rotate, and the suction hole is scallop hole with the concyclic heart of lid.
8. catalyst transfer device according to claim 7, which is characterized in that the port lid and the suction hole are hinged.
9. catalyst transfer device according to claim 8, which is characterized in that the edge of the port lid is equipped with convex block, institute
The hole wall for stating suction hole is equipped with the card slot of clamping corresponding with the convex block.
10. according to the described in any item catalyst transfer devices of claim 3-9, which is characterized in that the lid by cover board and with
Its connected coaming plate is constituted；The coaming plate inner sidewall is equipped with annular outer portion, and the top outer of the vinyl chloride converter is set
There is the annular groove of clamping corresponding with the annular outer portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821835242.2U CN209362457U (en) | 2018-11-08 | 2018-11-08 | A kind of catalyst transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821835242.2U CN209362457U (en) | 2018-11-08 | 2018-11-08 | A kind of catalyst transfer device |
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| Publication Number | Publication Date |
|---|---|
| CN209362457U true CN209362457U (en) | 2019-09-10 |
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ID=67836242
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821835242.2U Active CN209362457U (en) | 2018-11-08 | 2018-11-08 | A kind of catalyst transfer device |
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| Country | Link |
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| CN (1) | CN209362457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499488A (en) * | 2018-11-08 | 2019-03-22 | 鄂尔多斯市瀚博科技有限公司 | A kind of catalyst transfer device |
-
2018
- 2018-11-08 CN CN201821835242.2U patent/CN209362457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499488A (en) * | 2018-11-08 | 2019-03-22 | 鄂尔多斯市瀚博科技有限公司 | A kind of catalyst transfer device |
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