CN207446209U - A kind of raffinate recovery structure in MTBE devices - Google Patents
A kind of raffinate recovery structure in MTBE devices Download PDFInfo
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- CN207446209U CN207446209U CN201721371124.6U CN201721371124U CN207446209U CN 207446209 U CN207446209 U CN 207446209U CN 201721371124 U CN201721371124 U CN 201721371124U CN 207446209 U CN207446209 U CN 207446209U
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- raffinate
- pipeline
- desulfurizing tower
- upper hopper
- lower cover
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Abstract
The utility model provides the raffinate recovery structure in a kind of MTBE devices, belongs to technical field of operation.It, which solves raffinate directly discharge in existing MTBE devices, causes the technical problems such as waste and environmental pollution.MTBE devices include desulfurizing tower, raffinate recovery structure includes water recirculator, substandard product blow-down tank and the intermediate products tank connected with catalytic cracking unit, the bottom of towe of desulfurizing tower is equipped with raffinate collecting chamber, the bottom of towe of desulfurizing tower is connected with pipeline one, one end of pipeline one is connected with raffinate collecting chamber, the other end of pipeline one is connected with the water inlet of water recirculator, pipeline one is equipped with pilot operated valve device, the water outlet of water recirculator is connected with pipeline two, water inlet of the pipeline two also with substandard product blow-down tank connects, pass through pipeline tee joint between substandard product blow-down tank and intermediate products tank.The utility model has the advantages that the recycling that can realize raffinate.
Description
Technical field
The utility model belongs to technical field of operation, the raffinate recovery structure being related in a kind of MTBE devices.
Background technology
MTBE devices are a kind of devices for producing methyl tertiary butyl ether(MTBE), need to carry out desulfurization, MTBE dresses in process of production
It puts middle use desulfurizing tower and carries out desulfurization, a certain amount of high-sulfur object raffinate can be generated in sweetening process, high-sulfur object raffinate can be de-
The bottom of towe accumulation of sulphur tower, the sulfur content of the high-sulfur object raffinate is higher, can not be sent to finished pot directly as product.Due to desulfurizing tower
Column bottom temperature be maintained at 68~85 DEG C or so, under the high temperature can there are high-sulfur object raffinate generate steam contamination finished product cause finished product
MTBE products total sulfur there is abnormal higher situation, while also result in finished product when the liquid level of high-sulfur object raffinate is higher
There is abnormal higher situation in MTBE products total sulfur.The way used currently for high-sulfur object raffinate is to be directly discharged to oily water
Manifold causes discharge not environmentally and causes the waste of material.
The content of the invention
The purpose of this utility model is that there are the above problems for existing technology, it is proposed that residual in a kind of MTBE devices
The technical issues of liquid recovery structure, the utility model solves is the recycling that can realize raffinate.
The purpose of this utility model can be realized by following technical proposal：
A kind of raffinate recovery structure in MTBE devices, MTBE devices include desulfurizing tower, which is characterized in that raffinate recycling knot
Structure includes water recirculator, substandard product blow-down tank and the intermediate products tank connected with catalytic cracking unit, the desulfurization
The bottom of towe of tower is equipped with raffinate collecting chamber, and the bottom of towe of the desulfurizing tower is connected with pipeline one, and one end and the raffinate of the pipeline one are received
Collecting chamber connection, the other end of the pipeline one is connected with the water inlet of water recirculator, and the pipeline one is equipped with pilot operated valve device,
The water outlet of the water recirculator is connected with pipeline two, and the pipeline two also connects with the water inlet of substandard product blow-down tank
It is logical, pass through pipeline tee joint between the substandard product blow-down tank and intermediate products tank.
The high-sulfur object raffinate generated in desulfurizing tower production process is collected into the raffinate collecting chamber of bottom of towe, is collected positioned at raffinate
The raffinate of intracavitary is cooled down by pipeline one into water recirculator, can be 68~85 by temperature by water recirculator
DEG C or so raffinate be cooled to 30-40 DEG C of room temperature, the amount into the raffinate of water recirculator is controlled by pilot operated valve device, is protected
The amount that card is located at the raffinate in water recirculator is moderate, ensures cooling effect, raffinate after cooling is by pipeline two into not
Qualified products blow-down tank is stored, and other materials are added in when being stored in substandard product blow-down tank and are mixed with raffinate, not
Raffinate in qualified products blow-down tank stores to liquid level the raffinate that other materials will be mixed with by pipeline three when reaching more than 80%
Intermediate products tank is delivered to, intermediate products tank is connected with catalytic cracking unit, and finally the raffinate for being mixed with other materials is returned
Refining, to obtain freshening product, avoids the waste of material, avoids waste；Water recirculator and catalytic cracking unit are existing
Device.
In raffinate recovery structure in above-mentioned MTBE devices, the bottom of towe of the desulfurizing tower is fixed in round table-like upper
Funnel and in round table-like lower cover, the port that the upper hopper is relatively large in diameter is set upward, and the upper hopper is relatively large in diameter end
Mouthful edge and the inner wall of desulfurizing tower recline fixation, the lower cover is located at the lower section of upper hopper, and the lower cover diameter is smaller
Port set upward, and the smaller port of lower cover diameter is alignd and is fixed with the smaller port of upper hopper diameter, under described
The inner wall at edge and desulfurizing tower that cover body is relatively large in diameter port reclines fixation, is formed between the lower cover and the bottom of towe of desulfurizing tower
Above-mentioned raffinate collecting chamber.It is concentrated into raffinate collecting chamber by upper hopper raffinate, is collected by lower cover raffinate
Chamber is semiclosed, is avoided that the raffinate in raffinate collecting chamber causes the MTBE products total sulfur of finished product abnormal higher feelings occur
Condition.
In raffinate recovery structure in above-mentioned MTBE devices, baffle, the baffle are further fixed in the upper hopper
Edge be provided with several notches, the edge of the baffle and the inner wall of upper hopper recline fixation.Can further it be reduced by baffle
Raffinate volatilizees from the lower port of upper hopper, therefore the raffinate being located in raffinate collecting chamber can further be avoided to cause the MTBE of finished product
There is abnormal higher situation in product total sulfur, and the raffinate of generation flow to raffinate collecting chamber by the notch of baffle along upper hopper.
In raffinate recovery structure in above-mentioned MTBE devices, the upper hopper and lower cover use stainless steel
Into.It avoids being corroded by raffinate, improves service life.
In raffinate recovery structure in above-mentioned MTBE devices, stirring is provided in the substandard product blow-down tank
Device.Blender can cause raffinate to be uniformly mixed with other materials when adding in other materials.
Compared with prior art, the raffinate recovery structure in this MTBE devices is with the recycling that can realize raffinate
Advantage.
Description of the drawings
Fig. 1 is the attachment structure schematic diagram of the raffinate recovery structure in this MTBE devices.
In figure, 1, desulfurizing tower；11st, raffinate collecting chamber；2nd, water recirculator；3rd, substandard product blow-down tank；4th, it is intermediate
Products pot；5th, pipeline one；51st, pilot operated valve device；6th, pipeline two；7th, pipeline three；8th, upper hopper；81st, baffle；82nd, notch；9th, lower cover
Body.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, MTBE devices include desulfurizing tower 1, this raffinate recovery structure includes water recirculator 2, unqualified
Product blow-down tank 3 and the intermediate products tank 4 connected with catalytic cracking unit, the bottom of towe of desulfurizing tower 1 are equipped with raffinate collecting chamber 11, take off
The bottom of towe of sulphur tower 1 is connected with pipeline 1, and one end of pipeline 1 is connected with raffinate collecting chamber 11, and the other end of pipeline 1 is with following
The water inlet connection of ring water cooler 2, pipeline 1 are equipped with pilot operated valve device 51, and the water outlet of water recirculator 2 is connected with pipeline
26, water inlet of the pipeline 26 also with substandard product blow-down tank 3 connects, and blender is provided in substandard product blow-down tank 3,
It is connected between substandard product blow-down tank 3 and intermediate products tank 4 by pipeline 37.
The bottom of towe of desulfurizing tower 1 is fixed in round table-like upper hopper 8 and in round table-like lower cover 9, upper hopper 8 and lower cover
Body 9 is made of stainless steel, and the port that upper hopper 8 is relatively large in diameter is set upward, upper hopper 8 be relatively large in diameter the edge of port with
The inner wall of desulfurizing tower 1 reclines fixation, and lower cover 9 is located at the lower section of upper hopper 8, and the smaller port of 9 diameter of lower cover is set upward,
And the smaller port of 9 diameter of lower cover is alignd and is fixed with the smaller port of 8 diameter of upper hopper, lower cover 9 is relatively large in diameter port
The inner wall of edge and desulfurizing tower 1 recline fixation, above-mentioned raffinate collecting chamber 11 is formed between lower cover 9 and the bottom of towe of desulfurizing tower 1.
It is further fixed on baffle 81 in upper hopper 8, the edge of baffle 81 is provided with several notches 82, and the edge of baffle 81 is interior with upper hopper 8
Wall reclines fixation.It is concentrated into raffinate collecting chamber 11 by 8 raffinate of upper hopper, is collected by 9 raffinate of lower cover
Chamber 11 is semiclosed, and it is abnormal higher to be avoided that the raffinate in raffinate collecting chamber 11 causes the MTBE products total sulfur of finished product to occur
Situation.
The high-sulfur object raffinate generated in 1 production process of desulfurizing tower is collected into the raffinate collecting chamber 11 of bottom of towe, positioned at raffinate
Raffinate in collecting chamber 11 is cooled down by pipeline 1 into water recirculator 2, can be by temperature by water recirculator 2
The raffinate spent for 68~85 DEG C or so is cooled to 30-40 DEG C of room temperature, and the amount into the raffinate of water recirculator 2 passes through hydraulic control
Valve 51 controls, and ensures that the amount for the raffinate being located in water recirculator 2 is moderate, ensures cooling effect, raffinate after cooling leads to
It crosses pipeline 26 to be stored into substandard product blow-down tank 3, other objects is added in when being stored in substandard product blow-down tank 3
Material mixed with raffinate, the raffinate in substandard product blow-down tank 3 store to liquid level reach more than 80% when by pipeline 37 general
The raffinate for being mixed with other materials is delivered to intermediate products tank 4, and intermediate products tank 4 is connected with catalytic cracking unit, finally to being mixed with
The raffinate of other materials carries out freshening, to obtain freshening product, avoids the waste of material, avoids waste；Water recirculator 2
It is existing apparatus with catalytic cracking unit.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. the raffinate recovery structure in a kind of MTBE devices, MTBE devices include desulfurizing tower, which is characterized in that raffinate recovery structure
Including water recirculator, substandard product blow-down tank and the intermediate products tank connected with catalytic cracking unit, the desulfurizing tower
Bottom of towe be equipped with raffinate collecting chamber, the bottom of towe of the desulfurizing tower is connected with pipeline one, and one end and the raffinate of the pipeline one are collected
Chamber connects, and the other end of the pipeline one is connected with the water inlet of water recirculator, and the pipeline one is equipped with pilot operated valve device, institute
The water outlet for stating water recirculator is connected with pipeline two, and the pipeline two also connects with the water inlet of substandard product blow-down tank
It is logical, pass through pipeline tee joint between the substandard product blow-down tank and intermediate products tank.
2. the raffinate recovery structure in MTBE devices according to claim 1, which is characterized in that the bottom of towe of the desulfurizing tower
It is fixed in round table-like upper hopper and in round table-like lower cover, the port that the upper hopper is relatively large in diameter is set upward, institute
The inner wall for stating edge and desulfurizing tower that upper hopper is relatively large in diameter port reclines fixation, and the lower cover is located at the lower section of upper hopper,
The smaller port of lower cover diameter is set upward, and the smaller port of lower cover diameter and the smaller port of upper hopper diameter
It aligns and fixes, the inner wall at edge and desulfurizing tower that the lower cover is relatively large in diameter port reclines fixation, the lower cover and de-
Above-mentioned raffinate collecting chamber is formed between the bottom of towe of sulphur tower.
3. the raffinate recovery structure in MTBE devices according to claim 2, which is characterized in that also solid in the upper hopper
Surely there is a baffle, the edge of the baffle is provided with several notches, and the edge of the baffle and the inner wall of upper hopper recline fixation.
4. the raffinate recovery structure in MTBE devices according to claim 2, which is characterized in that the upper hopper and lower cover
Body is made of stainless steel.
5. the raffinate recovery structure in MTBE devices according to claim 1, which is characterized in that the substandard product is put
Blender is provided in slack tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721371124.6U CN207446209U (en) | 2017-10-23 | 2017-10-23 | A kind of raffinate recovery structure in MTBE devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721371124.6U CN207446209U (en) | 2017-10-23 | 2017-10-23 | A kind of raffinate recovery structure in MTBE devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207446209U true CN207446209U (en) | 2018-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721371124.6U Active CN207446209U (en) | 2017-10-23 | 2017-10-23 | A kind of raffinate recovery structure in MTBE devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207446209U (en) |
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2017
- 2017-10-23 CN CN201721371124.6U patent/CN207446209U/en active Active
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