Chlorination reaction kettle with distributor assembly

Abstract

The chlorination reaction kettle comprises a kettle body, the distributor assembly is arranged in the kettle body, the distributor assembly is composed of two distributors, the distributor located on the lower portion of the kettle body is connected with a hydrogen chloride inlet pipe, a spray head is installed above the distributor located on the upper portion of the kettle body, and the spray head is connected with the hydrogen chloride inlet pipe. A jacket is arranged between the inner wall and the outer wall of the kettle body; a glycerol storage tank is mounted on the left side of the kettle body, a glycerol pump is arranged on the right side of the glycerol storage tank, a glycerol inlet pipe is connected between the glycerol storage tank and the glycerol pump, and a glycerol outlet pipe is connected between an outlet of the glycerol pump and the kettle body; a pressure relief pipe is connected between the kettle body and the pressure relief tank, and a pressure relief valve is mounted on the pressure relief pipe. According to the utility model, the problems in the prior art can be solved, and better economic benefits can be created.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chlorination reaction, specifically relates to a chlorination reaction kettle with distributor assembly. BACKGROUND

[0002] Dichloropropanol is organic chemical raw material and fine chemical product, is used in producing epoxy resin, water treatment resin, reinforced resin, glycerol and epoxy propyl ether class and lipid. Dichloropropanol production takes glycerol, hydrogen chloride as starting raw material, under the action of catalyst, generates final product.

[0003] In dichloropropanol production, the reaction kettle is important equipment, when hydrogen chloride and glycerol enter into the reaction kettle, because the gas intake of hydrogen chloride and the adding amount of glycerol are not uniform, lead to the production efficiency of reaction kettle is lower. In addition, the kettle has certain pressure in the production process, when suddenly stopping water or power failure, the pressure in the reaction kettle is not promptly excluded, then can influence equipment and personal safety. UTILITY MODEL CONTENT

[0004] In order to solve the existing problems, the inventor develops a chlorination reaction kettle with distributor assembly according to the rich experience in the chlorination technology field.

[0005] The utility model adopts the following technical scheme: a chlorination reaction kettle with distributor assembly, including kettle body, the inside of kettle body is provided with distributor assembly, the distributor assembly is by 2 distributors, is first distributor and second distributor respectively, the first distributor of the lower part of kettle body is connected with hydrogen chloride inlet pipe, the second distributor of the upper part of kettle body is installed with shower head above, the inner wall and the outer wall of kettle body are provided with the jacket between;

[0006] The left side of kettle body is installed by glycerol storage tank, the right side of glycerol storage tank is provided with glycerol pump, glycerol inlet pipe is connected between glycerol storage tank and glycerol pump, glycerol outlet pipe is connected between the outlet of glycerol pump and kettle body, and glycerol is purchased from the market.

[0007] The upper right side of kettle body is installed with pressure relief tank, and the pressure relief pipe is connected between the kettle body and the pressure relief tank, and the pressure relief valve is installed on the pressure relief pipe. Glycerol and hydrogen chloride can generate dichloropropanol, and the reaction equation is as follows:

[0008] CH2OH-CHOH-CH2OH+2HCl → CH2Cl-CHOH-CH2Cl+2H2O.

[0009] Further, the first distributor is provided with 24 distribution branch pipes, a plurality of first distribution holes are formed in the distribution branch pipes, and a second distribution hole is formed in the second distributor, wherein the second distribution hole has a larger diameter than the first distribution hole.

[0010] Further, a catalyst pipe is further connected to the middle part of the left side of the kettle body, and the catalyst pipe is connected to the outer net pipeline. The catalyst includes, but is not limited to, any one of propionic acid, zinc chloride, chloroacetic acid, zinc propionate and adiponitrile.

[0011] Further, an upper head is arranged at the top of the kettle body, the glycerol outlet pipe penetrates through the upper head and is connected with the spray head, the upper head is connected with the kettle body through bolts, and a sealing gasket is arranged between the upper head and the kettle body.

[0012] Further, the glycerol inlet pipe is provided with a glycerol inlet valve, and the glycerol outlet pipe is provided with a glycerol outlet valve.

[0013] Further, a balance pipe is arranged at the middle part of the right side of the kettle body, and a balance valve is arranged on the balance pipe. The balance pipe is used for balancing the pressure of the lower part and the upper part of the reaction kettle.

[0014] Further, a dichloropropanol outlet pipe is connected to the lower part of the left side of the kettle body, and a dichloropropanol outlet valve is arranged on the dichloropropanol outlet pipe.

[0015] Further, a cooling water inlet valve is connected to the lower right of the jacket, and a cooling water outlet valve is connected to the upper left of the jacket.

[0016] Further, a reflux pipe is further connected to the glycerol outlet pipe, the end of the reflux pipe is connected with the top of the glycerol storage tank, and a reflux valve is arranged on the reflux pipe.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. By arranging the first distributor and the second distributor at the bottom and the top of the reaction kettle respectively, hydrogen chloride and glycerol can be more uniformly introduced into the reaction kettle, the production efficiency is improved, and better economic benefits are created.

[0019] 2. The pressure relief pipeline is connected to the upper right side of the reaction kettle, when sudden water stop or power failure occurs, the pressure in the reaction kettle can be timely discharged into the pressure relief tank, and the safety of the equipment and the on-site operators is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model.

[0021] Figure 2 It is a structural schematic view of the reaction kettle.

[0022] Figure 3 is a sectional view of the first distributor.

[0023] Figure 4 is a top view of the first distributor.

[0024] Figure 5 is a top view of the second distributor.

[0025] Fig. 1 is a kettle body, 2, jacket, 3, upper head, 4, hydrogen chloride inlet pipe, 5, first distributor, 501, distribution branch, 502, first distribution hole, 6, cooling water inlet pipe, 7, cooling water outlet pipe, 8, balance pipe, 9, balance valve, 10, spray head, 11, glycerol outlet pipe, 12, dichloropropanol outlet pipe, 13, dichloropropanol outlet valve, 14, pressure relief pipe, 15, pressure relief valve, 16, pressure relief tank, 17, glycerol storage tank, 18, glycerol inlet pipe, 19, glycerol inlet valve, 20, glycerol pump, 21, glycerol outlet valve, 22, reflux pipe, 23, reflux valve, 24, catalyst pipe, 25, second distributor, 2501, second distribution hole. DETAILED DESCRIPTION

[0026] In the description of the present application, it should be explained that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like appear, the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the present application. The indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", "third" appear, they are only for description purposes and cannot be understood as indicating or implying relative importance.

[0027] As shown in Figures 1-4 A chlorination reaction kettle with a distributor assembly, comprising a kettle body 1, a distributor assembly is arranged inside the kettle body 1, the distributor assembly is composed of two distributors, which are a first distributor 5 and a second distributor 25, the first distributor 5 located at the lower part of the kettle body 1 is connected with a hydrogen chloride inlet pipe 4, a spray head 10 is installed above the second distributor 25 located at the upper part of the kettle body 1, and a jacket 2 is arranged between the inner wall and the outer wall of the kettle body 1; a glycerol storage tank 17 is installed on the left side of the kettle body 1, a glycerol pump 20 is arranged on the right side of the glycerol storage tank 17, a glycerol inlet pipe 18 is connected between the glycerol storage tank 17 and the glycerol pump 20, and a glycerol outlet pipe 11 is connected between the outlet of the glycerol pump 20 and the kettle body 1; the glycerol is purchased from the market.

[0028] The right upper side of the kettle body 1 is provided with a pressure relief tank 16, and a pressure relief pipe 14 is connected between the kettle body 1 and the pressure relief tank 16, and a pressure relief valve 15 is installed on the pressure relief pipe 14. Glycerol and hydrogen chloride can react to generate dichloropropanol, and the reaction equation is as follows:

[0029] CH2OH-CHOH-CH2OH+2HCl → CH2Cl-CHOH-CH2Cl+2H2O.

[0030] In this embodiment, the first distributor 5 is provided with 24 distribution branch pipes 501, and a plurality of first distribution holes 502 are formed in the distribution branch pipes 501, and the second distributor 25 is provided with second distribution holes 2501, and the diameter of the second distribution holes 2501 is greater than that of the first distribution holes 502.

[0031] In this embodiment, the left middle part of the kettle body 1 is further connected with a catalyst pipe 24, and the catalyst pipe 24 is connected to the outer net pipeline. The catalyst includes but is not limited to any one of propionic acid, zinc chloride, chloroacetic acid, zinc propionate, and adiponitrile.

[0032] In this embodiment, the top of the kettle body 1 is provided with an upper head 3, and the glycerol outlet pipe 11 penetrates through the upper head 3 and is connected with the spray head 10. The upper head 3 is connected with the kettle body 1 by bolts, and a sealing gasket is installed between the upper head 3 and the kettle body 1.

[0033] In this embodiment, the glycerol inlet pipe 18 is provided with a glycerol inlet valve 19, and the glycerol outlet pipe 11 is provided with a glycerol outlet valve 21.

[0034] In this embodiment, the right middle part of the kettle body 1 is provided with a balance pipe 8, and the balance pipe 8 is provided with a balance valve 9. The balance pipe 8 is used to balance the pressure of the lower part and the upper part of the reaction kettle.

[0035] In this embodiment, the left lower part of the kettle body 1 is connected with a dichloropropanol outlet pipe 12, and the dichloropropanol outlet pipe 12 is provided with a dichloropropanol outlet valve 13.

[0036] In this embodiment, the lower right of the jacket 2 is connected with a cooling water inlet valve 6, and the upper left of the jacket 2 is connected with a cooling water outlet valve 7. The cooling water enters from the cooling water inlet valve 6 and flows out from the cooling water outlet valve 7, which is in a low-in and high-out state.

[0037] In this embodiment, the glycerol outlet pipe 11 is further connected with a reflux pipe 22, the end of the reflux pipe 22 is connected with the top of the glycerol storage tank 17, and the reflux pipe 22 is provided with a reflux valve 23. When the outlet pressure of the glycerol pump 20 is too high, the reflux valve 23 can be appropriately opened to reduce the outlet pressure of the glycerol pump 20.

[0038] The utility model discloses in the specific use, first start glycerol pump 20, glycerol is under the delivery of glycerol pump 20, through pump export pipe 11 enters the upper portion of cauldron body 1 from the spray head 10 and sprays, and glycerol enters the cauldron body interior through the second distribution hole 2501 on the second distributor 25, and hydrogen chloride enters the bottom of cauldron body 1 through hydrogen chloride import pipe 4, then enters the cauldron body 1 interior through the first distribution hole 501 on the first distributor 5. Hydrogen chloride moves from below to top in the cauldron body 1 interior, and glycerol moves from top to bottom, and the reaction occurs in cauldron body 1, and in the reaction process, catalyst enters cauldron body 1 through catalyst pipe 24 and participates in the reaction. The dichloropropanol generated enters the next process through dichloropropanol export pipe 12.

[0039] When sudden power failure or water stop occurs, the operator opens the pressure relief valve 15 on the pressure relief pipe 14 in time, and the pressure in the cauldron body 1 is discharged into the pressure relief tank 16, and the cooling water import pipe 6 and the cooling water export pipe 7 are opened at the same time, so that the circulating water fills the jacket 2, and the cauldron body 1 is cooled to ensure the safety of the on-site equipment and the operator.

[0040] The above disclosed preferred embodiments of the utility model are only used to help the description of the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A chlorination reactor with a distributor assembly, characterized in that: it comprises a reactor body, an inner part of which is provided with a distributor assembly, the distributor assembly is composed of two distributors, i.e. a first distributor and a second distributor, the first distributor located at the lower part of the reactor body is connected with a hydrogen chloride inlet pipe, a shower head is installed above the second distributor located at the upper part of the reactor body, and a jacket is arranged between the inner wall and the outer wall of the reactor body; a glycerol storage tank is installed on the left side of the reactor body, a glycerol pump is arranged on the right side of the glycerol storage tank, a glycerol inlet pipe is connected between the glycerol storage tank and the glycerol pump, and a glycerol outlet pipe is connected between the outlet of the glycerol pump and the reactor body; a pressure relief tank is installed on the upper right side of the reactor body, a pressure relief pipe is connected between the reactor body and the pressure relief tank, and a pressure relief valve is installed on the pressure relief pipe. 24 distribution branch pipes are arranged on the first distributor, a plurality of first distribution holes are formed on the distribution branch pipes, and second distribution holes are formed on the second distributor, the diameter of the second distribution holes is larger than that of the first distribution holes.

2. The chlorination reactor vessel with a distributor assembly of claim 1, wherein: A catalyst pipe is further connected to the left middle part of the reactor body, and the catalyst pipe is connected to an outer net pipeline.

3. The chlorination reactor vessel with a distributor assembly of claim 1, wherein: An upper head is arranged on the top of the reactor body, and the glycerol outlet pipe penetrates through the upper head and is connected with the shower head.

4. The chlorination reactor vessel with a distributor assembly of claim 1, wherein: A glycerol inlet valve is installed on the glycerol inlet pipe, and a glycerol outlet valve is installed on the glycerol outlet pipe.

5. The chlorination reactor vessel with a distributor assembly of claim 1, wherein: A balance pipe is arranged on the right middle part of the reactor body, and a balance valve is arranged on the balance pipe.

6. The chlorination reactor vessel with a distributor assembly of claim 1, wherein: A dichloropropanol outlet pipe is connected to the lower left part of the reactor body, and a dichloropropanol outlet valve is arranged on the dichloropropanol outlet pipe.

7. The chlorination reactor vessel with a distributor assembly of claim 1, wherein: A cooling water inlet valve is connected to the lower right part of the jacket, and a cooling water outlet valve is connected to the upper left part of the jacket.

8. The chlorination reactor vessel with a distributor assembly of claim 1, wherein: A reflux pipe is further connected to the glycerol outlet pipe, the end of the reflux pipe is connected with the top of the glycerol storage tank, and a reflux valve is arranged on the reflux pipe.

9. The chlorination reactor vessel with a distributor assembly of claim 1, wherein: ​

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