Ether C4 raw material pretreatment device

Abstract

The utility model discloses an etherified C4 raw material pretreatment device which comprises a dehydration tank and a water tank, an inner container is rotatably connected to one side of the bottom in the dehydration tank, a through groove is formed in the outer side of the inner container, a dehydration sieve plate is slidably connected to the interior of the through groove, and a rotating rod is fixedly connected to one side of the bottom in the dehydration tank. A water spraying pipe is fixedly connected to the outer side of the rotating rod, a first water pipe is fixedly connected to one side of the rotating rod and extends out of one side of the bottom of the dewatering tank, a second water pipe is fixedly connected to the other side of the rotating rod and extends out of one side of the top of the inner container, and a tank cover is fixedly connected to one side of the top of the dewatering tank. The etherified C4 raw material is injected into the inner container in the dehydration tank, the dehydrating agent is stored in the water tank, and meanwhile, the dehydration sieve plate is arranged on the outer side of the inner container, so that double dehydration can be performed, the dehydration efficiency is higher, new dehydrating agent can be continuously injected into the water tank, the operation does not need to be stopped, and convenience and rapidness are realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of post-etherification C4 raw materials, and in particular relates to a post-etherification C4 raw material pretreatment device. Background Art

[0002] Etherified C4 is the remaining C4 after isobutylene is removed by the etherification reaction, mainly including butene-1, butane, cis- and trans-butene-2, etc., and the remaining C4 contains less isobutylene than before. In recent years, with the development of deep processing technology of fuel gas, etherified C4 has gradually transformed from traditional gas fuel into chemical raw material, which is used to produce products such as butyl acetate and butanone. The existing etherified C4 raw material pretreatment system mainly adopts sequential removal process, that is, relevant impurities are removed one by one according to the type of impurities, and then enter the solid alkali tower and fine desulfurization tower to further remove the sulfur content in the raw material, and finally enter the dehydration, deoxygenation and dedimethyl ether removal unit to remove oxides.

[0003] The existing dehydration work of post-ether C4 raw materials generally involves pressing the raw materials into a dehydration layer in a tank for dehydration. The dehydrating agent in the dehydration layer will be consumed, which cannot better meet the dehydration efficiency. At the same time, the staff needs to stop the operation to replace the dehydrating agent, which is time-consuming and labor-intensive. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a pretreatment device for post-etherification C4 raw materials to solve the problem that the existing post-etherification C4 raw materials dehydration work proposed in the above background technology generally presses the raw materials into a dehydration layer in a tank body for dehydration, the dehydrating agent in the dehydration layer will be consumed, and the dehydration efficiency cannot be better met. At the same time, the staff needs to stop working to replace the dehydrating agent, which is time-consuming and labor-intensive.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for pretreating post-ether carbon four raw materials, comprising a dehydration tank and a water tank, an inner liner is rotatably connected to one side of the bottom of the dehydration tank, a through groove is arranged on the outside of the inner liner, a dehydration screen plate is slidably connected inside the through groove, a rotating rod is fixedly connected to one side of the bottom of the dehydration tank, a water spray pipe is fixedly connected to the outside of the rotating rod, a first water pipe is fixedly connected to one side of the rotating rod and extends out of one side of the bottom of the dehydration tank, a second water pipe is fixedly connected to the other side of the rotating rod and extends out of one side of the top of the inner liner, and a tank cover is fixedly connected to one side of the top of the dehydration tank.

[0006] Preferably, a feed port is fixedly connected to one side of the top of the inner tank, a discharge port is fixedly connected to one side of the dehydration tank, and one end of the discharge port is in contact with the dehydration screen plate.

[0007] Preferably, a third water pipe is fixedly connected to one side of the bottom of the dehydration tank, and the other end of the third water pipe is fixedly connected to the outside of the first water pipe.

[0008] Preferably, the other end of the first water pipe is fixedly connected to one side of the water tank, and the other end of the second water pipe is fixedly connected to the other end of the water tank.

[0009] Preferably, a feeding port is fixedly connected to one side of the top of the water tank, and a water pump is fixedly connected to one side of the water tank.

[0010] Preferably, a first supporting foot is provided on one side of the bottom of the dehydration tank, and four first supporting feet are provided. Second supporting feet are fixedly connected to the four corners of one side of the bottom of the water tank.

[0011] Preferably, the rotating rod is a hollow structure, four through grooves are provided, and one end of the dehydration screen plate extends out of one side of the top of the inner container.

[0012] Preferably, the rotating rod is located inside the inner container.

[0013] Compared with the prior art, the utility model provides a post-etherification C4 raw material pretreatment device, which has the following beneficial effects:

[0014] 1. The utility model provides an inner tank and a water tank, and injects the etherified C4 raw material into the inner tank of the dehydration tank. The water tank stores a dehydrating agent, and a dehydrating sieve plate is provided on the outer side of the inner tank. Double dehydration can be performed, and the dehydration efficiency is higher. Moreover, new dehydrating agent can be continuously injected into the water tank without stopping the operation, which is convenient and fast.

[0015] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a structural schematic diagram of the main body of a post-etherification C4 raw material pretreatment device proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the inner tank of a post-ether C4 raw material pretreatment device proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the interior of the inner tank of a post-ether C4 raw material pretreatment device proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of a pretreatment device for post-ether C4 raw materials from a top view proposed by the utility model;

[0021] In the figure: 1. dehydration tank; 2. water tank; 3. liner; 4. through groove; 5. dehydration screen plate; 6. rotating rod; 7. water spray pipe; 8. first water pipe; 9. second water pipe; 10. tank cover; 11. feed inlet; 12. discharge port; 13. third water pipe; 14. feeding port; 15. water pump; 16. first supporting foot; 17. second supporting foot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a pretreatment device for post-ether C4 raw materials, comprising a dehydration tank 1 and a water tank 2, an inner liner 3 is rotatably connected to one side of the bottom of the dehydration tank 1, a through groove 4 is arranged on the outer side of the inner liner 3, a dehydration sieve plate 5 is slidably connected to the inner side of the through groove 4, a rotating rod 6 is fixedly connected to one side of the bottom of the dehydration tank 1, a water spray pipe 7 is fixedly connected to the outer side of the rotating rod 6, a first water pipe 8 is fixedly connected to one side of the rotating rod 6 and extends out of one side of the bottom of the dehydration tank 1, a second water pipe 9 is fixedly connected to the other side of the rotating rod 6 and extends out of one side of the top of the inner liner 3, a tank cover 10 is fixedly connected to one side of the top of the dehydration tank 1, raw materials are injected into the inner liner 3, the second water pipe 9 can inject dehydrating agent to flow into the rotating rod 6, and then sprayed out by the water spray pipe 7, the raw materials in the inner liner 3 are dehydrated, the dehydrating agent in the rotating rod 6 flows out through the first water pipe 8 and is collected in the water tank 2, and the circulation is practical, and at the same time the dehydration sieve plate 5 can perform secondary dehydration on the raw materials, the dehydration is cleaner and more thorough, and the dehydration efficiency is higher.

[0024] In the present invention, preferably, a feed port 11 is fixedly connected to one side of the top of the inner tank 3, and a discharge port 12 is fixedly connected to one side of the dehydration tank 1, and one end of the discharge port 12 is in contact with the dehydration screen plate 5. The raw material is injected into the inner tank 3 through the feed port 11, and the dehydrated raw material is discharged through the discharge port 12.

[0025] In the utility model, preferably, a third water pipe 13 is fixedly connected to one side of the bottom of the dehydration tank 1, and the other end of the third water pipe 13 is fixedly connected to the outside of the first water pipe 8. The dehydrating agent sprayed through the water spray pipe 7 will flow out through the third water pipe 13 into the first water pipe 8, and then flow into the water tank 2.

[0026] In the utility model, preferably, the other end of the first water pipe 8 is fixedly connected to one side of the water tank 2, and the other end of the second water pipe 9 is fixedly connected to the other end of the water tank 2. The dehydrating agent flowing out of the second water pipe 9 will flow into the water tank 2 through the first water pipe 8 for recycling.

[0027] In the utility model, preferably, a feeding port 14 is fixedly connected to one side of the top of the water tank 2, and a water pump 15 is fixedly connected to one side of the water tank 2. When the dehydrating agent content in the water tank 2 is insufficient, material can be added through the feeding port 14.

[0028] In the utility model, preferably, a first supporting foot 16 is provided on one side of the bottom of the dehydration tank 1, and four first supporting feet 16 are provided. Second supporting feet 17 are fixedly connected to the four corners of one side of the bottom of the water tank 2.

[0029] In the utility model, preferably, the rotating rod 6 is a hollow structure, four through grooves 4 are provided, and one end of the dehydration sieve plate 5 extends out of the top side of the inner liner 3. After one dehydration sieve plate 5 is saturated, the inner liner 3 can be rotated to replace another dehydration sieve plate 5 for use, and the saturated sieve plate can be pulled out for replacement.

[0030] In the present invention, preferably, the rotating rod 6 is located inside the inner container 3 .

[0031] The working principle and use process of the utility model are as follows: when in use, the raw material is injected into the inner tank 3 through the feed port 11, the water pump 15 is started, and the dehydrating agent in the water tank 2 flows to the inside of the rotating rod 6 through the second water pipe 9, and then is sprayed out in the inner tank 3 through the water spray pipe 7 to perform a raw material dehydration treatment. After dehydration, the raw material will be discharged from the discharge port 12. At the same time, the raw material will pass through the dehydration sieve plate 5 for secondary dehydration treatment. When one dehydration sieve plate 5 is saturated, the inner tank 3 can be rotated to replace another dehydration sieve plate 5 for use, and the saturated sieve plate can be pulled out for replacement at the same time. The sprayed dehydrating agent will flow to the water tank 2 through the first water pipe 8 and the third water pipe 13 for recycling. When the dehydrating agent content in the water tank 2 is insufficient, it can be added through the feed port 14.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pretreatment device for post-etherification C4 raw materials, comprising a dehydration tank (1) and a water tank (2), characterized in that: An inner liner (3) is rotatably connected to one side of the bottom of the dehydration tank (1), a through groove (4) is arranged on the outside of the inner liner (3), a dehydration screen plate (5) is slidably connected to the inside of the through groove (4), a rotating rod (6) is fixedly connected to one side of the bottom of the dehydration tank (1), a water spray pipe (7) is fixedly connected to the outside of the rotating rod (6), a first water pipe (8) is fixedly connected to one side of the rotating rod (6) and extends out of one side of the bottom of the dehydration tank (1), a second water pipe (9) is fixedly connected to the other side of the rotating rod (6) and extends out of one side of the top of the inner liner (3), and a tank cover (10) is fixedly connected to one side of the top of the dehydration tank (1).

2. The device for pretreating post-etherification C4 raw materials according to claim 1, characterized in that: A feed port (11) is fixedly connected to one side of the top of the inner container (3), and a discharge port (12) is fixedly connected to one side of the dehydration tank (1), and one end of the discharge port (12) is in contact with the dehydration screen plate (5).

3. The device for pretreating post-etherification C4 raw materials according to claim 1, characterized in that: A third water pipe (13) is fixedly connected to one side of the bottom of the dehydration tank (1), and the other end of the third water pipe (13) is fixedly connected to the outside of the first water pipe (8).

4. The device for pretreating post-etherification C4 raw materials according to claim 1, characterized in that: The other end of the first water pipe (8) is fixedly connected to one side of the water tank (2), and the other end of the second water pipe (9) is fixedly connected to the other end of the water tank (2).

5. The device for pretreating post-etherification C4 raw materials according to claim 1, characterized in that: A feeding port (14) is fixedly connected to one side of the top of the water tank (2), and a water pump (15) is fixedly connected to one side of the water tank (2).

6. The device for pretreating post-etherification C4 raw materials according to claim 1, characterized in that: A first supporting foot (16) is provided on one side of the bottom of the dehydration tank (1), and four first supporting feet (16) are provided. Second supporting feet (17) are fixedly connected at four corners of one side of the bottom of the water tank (2).

7. The device for pretreating post-etherification C4 raw materials according to claim 1, characterized in that: The rotating rod (6) is a hollow structure, four through grooves (4) are provided, and one end of the dehydration screen plate (5) extends out of one side of the top of the inner container (3).

8. The device for pretreating post-etherification C4 raw materials according to claim 1, characterized in that: The rotating rod (6) is located inside the inner container (3).

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