Reactor for preparing calcium chloride by using chloroacetic acid byproduct hydrochloric acid

By integrating a partition plate and a water washing tank within the reactor, the problems of dispersed equipment layout and hydrogen chloride tail gas treatment are solved, achieving land conservation, cost reduction, and environmentally friendly production.

CN223454268UActive Publication Date: 2025-10-21HUBEI MINTENG NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202521825219.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2025-10-21
Estimated Expiration
2035-08-27

AI Technical Summary

Technical Problem

In the prior art, the process equipment for preparing calcium chloride by reacting chloroacetic acid with hydrochloric acid as a byproduct and calcium carbonate is dispersed, occupying a large amount of land and increasing enterprise costs. In addition, the tail gas treatment process containing a large amount of hydrogen chloride consumes a lot of resources.

Method used

Design an integrated system comprising a reactor body and a washing tank. The reactor cavity is divided into multiple zones by a partition plate, and filter pipes and annular distributors are installed to achieve uniform material distribution and water washing absorption of reaction gases, thereby reducing equipment footprint and resource consumption.

Benefits of technology

The compact production process reduces land occupation and lowers enterprise costs. Furthermore, the water washing and absorption process reduces the hazards of hydrogen chloride tail gas and resource consumption, thereby improving production efficiency and environmental friendliness.

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Abstract

The utility model relates to the technical field of calcium chloride preparation, and particularly discloses a reactor for preparing calcium chloride by using chloroacetic acid byproduct hydrochloric acid, which comprises a reactor main body and a washing tank, the inner cavity of the reactor main body is divided into a reaction zone I and a reaction zone II, and the reaction zone I and the reaction zone II are respectively provided with a feed port I and a discharge port I; the first feeding port is connected with a feeding device, a first partition plate is fixedly arranged at the bottom of the first reaction area, a second partition plate is fixedly arranged at the bottom of the second reaction area, the first partition plate and the second partition plate are fixedly provided with a first filter pipe and a second filter pipe respectively, and the first filter pipe and the second filter pipe are each provided with a plurality of first through holes. The filter pipe I and the filter pipe II are respectively sleeved with an annular distributor I and an annular distributor II, the annular distributor I is connected with a washing tank, the reaction area I is connected with the washing tank, and the feed port II is also connected with a byproduct hydrochloric acid feed pipeline. According to the utility model, the problem of scattered equipment layout in the prior art is solved, the occupied land area is reduced, and the enterprise cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of calcium chloride preparation, and specifically discloses a reactor for preparing calcium chloride by using hydrochloric acid by-produced in chloroacetic acid production. BACKGROUND

[0002] Calcium chloride is an inorganic salt composed of calcium and chlorine, which is a white crystal or powder as a whole, is easy to deliquesce, and is easily soluble in water. Common calcium chlorides include anhydrous calcium chloride and calcium chloride dihydrate, which are widely used in industries, food, medicine and other fields.

[0003] At present, the technology for preparing calcium chloride by using hydrochloric acid by-produced in chloroacetic acid production and calcium carbonate has the problems of occupying a large amount of land, increasing enterprise cost, limiting development, and consuming a large amount of resources in the treatment process of tail gas containing a large amount of hydrogen chloride.

[0004] Chinese patent CN213416301U discloses a device for continuously producing liquid calcium chloride, which specifically comprises a reactor. The hollow inside of the reactor is a main reaction cavity. A solid feeding port and a gas collection port are arranged at the top of the reactor, and a liquid feeding port and a slag outlet are arranged at the lower side of the reactor. A sub-reaction cavity is arranged at the upper part of the reactor. The sub-reaction cavity is separated by a partition plate and arranged annularly along the inner wall of the reactor. The upper part of the sub-reaction cavity is open and communicates with the main reaction cavity. A liquid discharge port is arranged on the side wall of the reactor at the position of the upper part of the sub-reaction cavity. The purpose is to make the prepared calcium chloride liquid flow out from the upper outlet of the reactor, and then directly obtain the calcium chloride product after concentration, crystallization and drying by slowly entering the hydrochloric acid from the bottom of the reactor. The above-mentioned device only collects the tail gas containing hydrogen chloride gas generated by the reaction of hydrochloric acid and calcium carbonate through the gas collection port, and the subsequent absorption process of the tail gas containing hydrogen chloride gas still consumes a large amount of resources, increasing energy consumption and enterprise cost. UTILITY MODEL CONTENTS

[0005] In view of the above problems in the prior art, the utility model provides a reactor for preparing calcium chloride by using hydrochloric acid by-produced in chloroacetic acid production, to solve the problems of occupying a large amount of land, increasing enterprise cost, limiting development, and consuming a large amount of resources in the treatment process of tail gas containing a large amount of hydrogen chloride in the technology for preparing calcium chloride by using hydrochloric acid by-produced in chloroacetic acid production and calcium carbonate.

[0006] The technical solution adopted by the utility model to solve the technical problems is as follows:

[0007] The reactor for preparing calcium chloride by using chloroacetic acid by-product hydrochloric acid, which comprises a reactor main body and a water washing tank connected in sequence, characterized in that a partition plate three is fixedly arranged at the middle part of the inner cavity of the reactor main body, the inner cavity of the reactor main body is divided into a reaction area one and a reaction area two by the partition plate three, a feeding port one and a discharging port one are arranged at the top end of the reaction area one and the bottom end of the reaction area two respectively, the feeding port one is connected with a feeding device, a partition plate one is fixedly arranged at the lower part of the reaction area one, a partition plate two is fixedly arranged at the lower part of the reaction area two, a filter pipe one and a filter pipe two are respectively penetrated and fixedly arranged at the middle part of the upper end faces of the partition plate one and the partition plate two, a plurality of through holes one are arranged at the upper part of the outer surfaces of the filter pipe one and the filter pipe two, an annular distributor one and an annular distributor two are respectively fixedly sleeved at the lower part of the outer surfaces of the filter pipe one and the filter pipe two, one side of the annular distributor one is connected with the bottom end of the water washing tank through a feeding port two, one side of the top end of the reaction area one is connected with one side of the water washing tank through an air outlet one, the annular distributor two is connected with the bottom of the reaction area one, and the feeding port two is further connected with a by-product hydrochloric acid feeding pipeline.

[0008] Further, the feeding device comprises a motor, a spiral conveying rod, a conveying channel, a feeding port three and a feeding channel, the feeding channel is fixedly connected with the feeding port one, the conveying channel is fixedly arranged at the top end of the feeding channel, the spiral conveying rod is rotationally arranged in the conveying channel, the motor is fixedly arranged at one end of the conveying channel away from the feeding channel, the output end of the motor is fixedly connected with the spiral conveying rod, and the feeding port three is arranged at one side of the top end of the conveying channel close to the motor.

[0009] Further, a solid feeding distributor is fixedly arranged at the top of the reaction area one in cooperation with the feeding port one, and the solid feeding distributor has a whole conical structure.

[0010] Further, the diameter of the bottom end of the solid feeding distributor is greater than the diameter of the filter pipe one, and the solid feeding distributor is fixedly connected with the inner wall of the reactor main body through a plurality of fixing rods.

[0011] Further, a discharging port two is arranged at the bottom of one side of the reaction area one and located between the partition plate one and the partition plate three.

[0012] Further, a feeding port four is arranged at the lower part of one side of the reaction area two in cooperation with the discharging port two, and the annular distributor two is connected with the discharging port two through the feeding port four.

[0013] Further, the annular distributor one and the annular distributor two have a whole circular ring structure, a plurality of through holes two are arranged on the outer walls of the annular distributor one and the annular distributor two, and the plurality of through holes two are uniformly and spacedly arranged.

[0014] Further, a slag discharging port is arranged at one side of the lower part of the reaction area one and located above the partition plate one, and the feeding port five is located above the partition plate two.

[0015] Further, the lower part of the water washing tank is provided with an air inlet connected with the gas outlet one, and the bottom end of the water washing tank is provided with a discharge outlet three connected with the feeding inlet two.

[0016] Further, the top end of the water washing tank is provided with a gas outlet two, and the top of the side of the water washing tank is provided with a water inlet connected with a water inlet pipeline connected with the discharge outlet three.

[0017] The utility model has the beneficial effects that:

[0018] 1、 the utility model discloses a reactor main body is integrated in the reaction related multiple links, solves the equipment layout dispersion problem in the prior art, reduces the land area that production system occupies, has reduced enterprise cost, and compact production process reduces the conveying link and time of material between different equipment, is favorable to improve overall production efficiency.

[0019] 2、 the utility model discloses a water washing tank is set up, and the annular distributor one is connected with the water washing tank through the feeding inlet two, and the reaction area one top is connected with the water washing tank through the gas outlet one, can carry out water washing absorption to the tail gas containing a large amount of hydrogen chloride generated, and the hydrogen chloride solution after absorption can be with byproduct hydrochloric acid together through feeding inlet two and enter annular distributor one and participate in the reaction, avoid the serious harm caused by the tail gas containing a large amount of hydrogen chloride direct emission, reduce the large amount of resource consumption needed for reabsorption simultaneously, and make the production process more meet the environmental protection requirement. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the structural schematic diagram of the utility model;

[0021] Fig. 2 It is the structural schematic diagram of the utility model feeding device;

[0022] Fig. 3 It is the structural schematic diagram of the utility model filter pipe one, through -hole one, annular distributor one and through -hole two;

[0023] In the figure: 1, reactor main body; 2, water washing tank; 3, reaction zone one; 4, reaction zone two; 5, feeding device; 51, motor; 52, spiral conveying rod; 53, conveying channel; 54, feeding port three; 55, feeding channel; 6, solid feeding distributor; 7, partition plate one; 8, partition plate two; 9, filter pipe one; 10, through hole one; 11, annular distributor one; 12, through hole two; 13, feeding port two; 14, gas outlet one; 15, by-product hydrochloric acid feeding pipeline; 16, feeding port one; 17, discharge port one; 18, fixed rod; 19, discharge port two; 20, feeding port four; 21, filter pipe two; 22, annular distributor two; 23, partition plate three; 24, slag discharge port; 25, feeding port five; 26, gas inlet; 27, discharge port three; 28, gas outlet two; 29, water inlet; 30, water feeding pipeline. DETAILED DESCRIPTION

[0024] The utility model will be described and explained in detail below in combination with the drawings.

[0025] Example 1

[0026] As Figs. 1-3 shown, the reactor for preparing calcium chloride by using by-product hydrochloric acid of chloroacetic acid, including reactor main body 1 and water washing tank 2 that connect gradually, its characterized in that, the middle part of reactor main body 1 inner chamber is fixedly provided with partition plate three 23, and partition plate three 23 divides the inner chamber of reactor main body 1 into reaction zone one 3 and reaction zone two 4, and the top end of reaction zone one 3 and the bottom end of reaction zone two 4 are provided with feeding port one 16 and discharge port one 17 respectively, feeding port one 16 is connected with feeding device 5, the lower part of reaction zone one 3 is fixedly provided with partition plate one 7, the lower part of reaction zone two 4 is fixedly provided with partition plate two 8, and the middle part of the upper end face of partition plate one 7 and partition plate two 8 is respectively penetrated and fixedly provided with filter pipe one 9 and filter pipe two 21, a plurality of through holes one 10 are formed in the upper part of the outer surface of filter pipe one 9 and filter pipe two 21, and annular distributor one 11 and annular distributor two 22 are fixedly sleeved on the lower part of the outer surface of filter pipe one 9 and filter pipe two 21 respectively, one side of annular distributor one 11 is connected with the bottom end of water washing tank 2 through feeding port two 13, one side of the top end of reaction zone one 3 is connected with one side of water washing tank 2 through gas outlet one 14, annular distributor two 22 is connected with the bottom of reaction zone one 3, feeding port two 13 is further connected with by-product hydrochloric acid feeding pipeline 15, and one side of the upper part of reaction zone two 4 is provided with feeding port five 25.

[0027] In operation, the calcium carbonate solids are fed into the reaction zone 1 through the feed inlet 1 and fall on the upper end face of the partition plate 7 to form a calcium carbonate layer; at the same time, the by-product hydrochloric acid is fed into the annular distributor 1 through the by-product hydrochloric acid feed pipeline 15 and the feed inlet 2, and then enters the reaction zone 1 through the annular distributor 1 to react with the calcium carbonate layer to produce a crude calcium chloride solution and tail gas containing hydrogen chloride; when the crude calcium chloride solution in the reaction zone 1 reaches a certain liquid level, it flows into the bottom of the reaction zone 1, i.e. between the partition plate 7 and the partition plate 3, through the evenly and spacedly arranged several through holes 10 on the filter pipe 1, and then flows into the annular distributor 2, and then enters the reaction zone 2 through the annular distributor 2, while the calcium hydroxide suspension flows into the reaction zone 2 through the feed inlet 5 to react with the crude calcium chloride solution to remove impurity ions such as iron and magnesium and adjust the pH value of the calcium chloride solution to 9-11; when the calcium chloride solution in the reaction zone 2 reaches a certain liquid level, it flows under the partition plate 2 through the evenly and spacedly arranged several through holes 10 on the filter pipe 2, and then is discharged from the discharge outlet 1 to be filtered and subjected to subsequent processing.

[0028] The tail gas containing hydrogen chloride produced by the reaction of the by-product hydrochloric acid and the calcium carbonate layer is discharged into the water washing tank 2 through the gas outlet 1, the hydrogen chloride gas is washed by water in the water washing tank 2, the washed tail gas is subjected to subsequent treatment or discharged in compliance with the standard, the water absorbing the hydrogen chloride gas forms a hydrochloric acid solution, the hydrochloric acid solution enters the annular distributor 1 through the feed inlet 2 to participate in the reaction with the calcium carbonate solids, the hydrogen chloride gas can be reused, the consumption is reduced, and the production process is more in line with the environmental protection requirements.

[0029] The feed device 5 comprises a motor 51, a spiral conveying rod 52, a conveying channel 53, a feed inlet 3 and a feed channel 55, the feed channel 55 is fixedly connected with the feed inlet 1, the conveying channel 53 is fixedly arranged at the top end of the feed channel 55, the spiral conveying rod 52 is rotationally arranged in the conveying channel 53, the motor 51 is fixedly arranged at the end of the conveying channel 53 away from the feed channel 55, the output end of the motor 51 is fixedly connected with the spiral conveying rod 52, and the feed inlet 3 is arranged on the top end of the conveying channel 53 close to the motor 51. In operation, the motor 51 is started to drive the spiral conveying rod 52 to rotate, then the calcium carbonate solids are added into the conveying channel 53 through the feed inlet 3, and are conveyed into the feed channel 55 under the action of the spiral conveying rod 52, and then are fed into the reaction zone 1 through the feed inlet 1 to ensure continuous and uniform supply of the calcium carbonate solids.

[0030] The top of the reaction zone 3 is fixedly provided with a solid feed distributor 6 matched with the feed port 16, and the solid feed distributor 6 is in a whole conical structure. The solid feed distributor 6 can make the calcium carbonate solids uniformly spread on the upper end surface of the partition plate 7, and form a calcium carbonate layer.

[0031] The diameter of the bottom end of the solid feed distributor 6 is greater than that of the filter pipe 9, and the solid feed distributor 6 is fixedly connected to the inner wall of the reactor body 1 through a plurality of fixing rods 18. The diameter of the bottom end of the solid feed distributor 6 is greater than that of the filter pipe 9, which can ensure that the calcium carbonate solids do not fall on the upper end surface of the filter pipe 9, thereby improving the reaction efficiency; the plurality of fixing rods 18 can ensure the stability of the solid feed distributor 6, thereby ensuring the stable progress of the reaction.

[0032] The bottom of one side of the reaction zone 3 is provided with a discharge port 19, and the discharge port 19 is located between the partition plate 7 and the partition plate 3.

[0033] The lower part of one side of the reaction zone 4 is provided with a feed port 20 matched with the discharge port 19, and the annular distributor 22 is connected to the discharge port 19 through the feed port 20. The crude calcium chloride solution between the partition plate 7 and the partition plate 3 flows into the annular distributor 22 through the discharge port 19 and the feed port 20.

[0034] The annular distributor 11 and the annular distributor 22 are both in a whole circular structure, and the outer wall of the annular distributor 11 and the annular distributor 22 is provided with a plurality of through holes 12 which are uniformly and spaced apart. The plurality of through holes 12 uniformly and spaced apart on the outer surface of the annular distributor 11 can ensure that the byproduct hydrochloric acid in the annular distributor 11 uniformly enters the reaction zone 3, and the plurality of through holes 12 uniformly and spaced apart on the outer surface of the annular distributor 22 can ensure that the crude calcium chloride solution in the annular distributor 22 uniformly enters the reaction zone 4.

[0035] One side of the lower part of the reaction zone 3 is provided with a slag discharge port 24, and the slag discharge port 24 is located above the partition plate 7, and the feed port 25 is located above the partition plate 2. As the reaction time in the reaction zone 3 increases, the insoluble substances accumulated on the upper end surface of the partition plate 7 are discharged outward through the slag discharge port 24, thereby avoiding the influence of the insoluble substances on the reaction efficiency.

[0036] The lower part of the water washing tank 2 on one side is provided with an air inlet 26, the air inlet 26 is connected with the air outlet one 14, the bottom end of the water washing tank 2 is provided with a discharge outlet three 27, the discharge outlet three 27 is connected with the feeding inlet two 13. The tail gas containing hydrogen chloride is discharged into the water washing tank 2 through the air outlet one 14 and the air inlet 26, the tail gas containing hydrogen chloride moves from bottom to top, the water moves from top to bottom, so that the hydrogen chloride gas can be fully absorbed by the water, the water fully absorbing the hydrogen chloride gas forms hydrochloric acid solution, a part of the hydrochloric acid solution is mixed with the by-product hydrochloric acid in the by-product hydrochloric acid feeding pipeline 15 through the discharge outlet three 27, and then enters the annular distributor one 11 through the feeding inlet two 13 together, so that the hydrogen chloride gas is reused, the consumption of absorbing the tail gas containing hydrogen chloride is reduced, and the enterprise cost is reduced.

[0037] The top end of the water washing tank 2 is provided with an air outlet two 28, the top of the water washing tank 2 on one side is provided with a water inlet 29, the water inlet 29 is connected with a water feeding pipeline 30, and the water feeding pipeline 30 is connected with the discharge outlet three 27. The tail gas fully absorbed by the water is discharged from the water washing tank 2 through the air outlet two 28 for subsequent treatment or standard discharge; since the concentration of the hydrochloric acid solution in the water washing tank 2 is low, the hydrogen chloride gas can be continuously absorbed, so another part of the hydrochloric acid solution is mixed with the water in the water feeding pipeline 30 through the discharge outlet three 27, and then flows into the water washing tank 2 through the water inlet 29 together to continue to wash the tail gas containing hydrogen chloride, so that the hydrogen chloride gas is further utilized, the consumption of absorbing the hydrogen chloride gas is further reduced, and the enterprise cost is reduced.

[0038] Working principle and process:

[0039] In operation, the motor 51 drives the screw rod 52 to rotate, and then the calcium carbonate solids are added into the conveying channel 53 through the feeding port 3 54, and are conveyed into the feeding channel 55 under the action of the screw rod 52, and then enter the reaction zone 1 through the feeding port 1 16; the calcium carbonate solids are evenly spread on the upper end surface of the partition plate 1 under the action of the solid feeding distributor 6, and form a calcium carbonate layer; at the same time, the by-product hydrochloric acid enters the annular distributor 1 1 through the by-product hydrochloric acid feeding pipeline 15 and the feeding port 2 13, and then enters the reaction zone 1 through the evenly and spacedly arranged through holes 2 12 on the annular distributor 1 1, and reacts with the calcium carbonate layer to produce crude calcium chloride solution and tail gas containing hydrogen chloride; when the crude calcium chloride solution in the reaction zone 1 reaches a certain liquid level, it flows into the space between the partition plate 1 and the partition plate 3 23 through the evenly and spacedly arranged through holes 1 10 on the filter pipe 1 9, while the calcium carbonate solids with large volume cannot pass through the through holes 1 10 and are left on the upper end surface of the partition plate 1, and with the increase of the reaction time, the insoluble substances accumulated on the upper end surface of the partition plate 1 are discharged outward through the slag discharge port 24; the crude calcium chloride solution flows into the annular distributor 2 22 through the discharge port 2 19 and the feeding port 4 20, and then enters the reaction zone 2 4 through the evenly and spacedly arranged through holes 2 12 on the annular distributor 2 22, while the calcium hydroxide suspension flows into the reaction zone 2 4 through the feeding port 5 25, and reacts with the crude calcium chloride solution to remove iron, magnesium and other impurity ions and adjust the pH value of the calcium chloride solution to 9-1 1 ; when the calcium chloride solution in the reaction zone 2 4 reaches a certain liquid level, it flows into the lower part of the partition plate 2 8 through the evenly and spacedly arranged through holes 1 10 on the filter pipe 2 21, and then is discharged from the discharge port 1 17 for subsequent treatment such as filtration.

[0040] The tail gas containing hydrogen chloride produced by the reaction of the by-product hydrochloric acid and the calcium carbonate layer is discharged into the water washing tank 2 through the gas outlet 1 4 and the gas inlet 26, while water flows into the water washing tank 2 through the water inlet 29 and the water feeding pipeline 30, the tail gas moves from bottom to top, and the water moves from top to bottom, so that the hydrogen chloride gas can be fully absorbed by the water, and the tail gas absorbed by the water is discharged from the gas outlet 2 28 for subsequent treatment or emission after reaching the standard; the water fully absorbing the hydrogen chloride gas forms a hydrochloric acid solution, part of which is mixed with the by-product hydrochloric acid in the by-product hydrochloric acid feeding pipeline 15 through the discharge port 3 27, and then enters the annular distributor 1 1 through the feeding port 2 13; since the concentration of the hydrochloric acid solution is low, it can continue to absorb hydrogen chloride gas, so another part of the hydrochloric acid solution is mixed with the water in the water feeding pipeline 30 through the discharge port 3 27, and then flows into the water washing tank 2 through the water inlet 29 to continue to wash the tail gas containing hydrogen chloride.

Claims

1. A reactor for preparing calcium chloride using a by-product hydrochloric acid of chloroacetic acid, comprising a reactor main body (1) and a water washing tank (2) connected in sequence, characterized in that, The middle part of the inner cavity of the reactor body (1) is fixedly provided with a partition plate three (23), the inner cavity of the reactor body (1) is divided into a reaction zone one (3) and a reaction zone two (4) by the partition plate three (23), the top end of the reaction zone one (3) and the bottom end of the reaction zone two (4) are respectively provided with a feeding port one (16) and a discharging port one (17), the feeding port one (16) is connected with a feeding device (5), the lower part of the reaction zone one (3) is fixedly provided with a partition plate one (7), the lower part of the reaction zone two (4) is fixedly provided with a partition plate two (8), the middle part of the upper end faces of the partition plate one (7) and the partition plate two (8) is respectively penetrated and fixedly provided with a filter pipe one (9) and a filter pipe two (21), a plurality of through holes one (10) are formed in the upper part of the outer surface of the filter pipe one (9) and the filter pipe two (21), the lower part of the outer surface of the filter pipe one (9) and the filter pipe two (21) is respectively fixedly sleeved with a ring-shaped distributor one (11) and a ring-shaped distributor two (22), one side of the ring-shaped distributor one (11) is connected with the bottom end of the water washing tank (2) through a feeding port two (13), one side of the top end of the reaction zone one (3) is connected with one side of the water washing tank (2) through a gas outlet one (14), the ring-shaped distributor two (22) is connected with the bottom of the reaction zone one (3), the feeding port two (13) is further connected with a by-product hydrochloric acid feeding pipeline (15), one side of the upper part of the reaction zone two (4) is provided with a feeding port five (25). The top of the reaction zone one (3) is fixedly provided with a solid feeding distributor (6) in cooperation with the feeding port one (16).

2. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 1, characterized in that, The feeding device (5) comprises a motor (51), a spiral conveying rod (52), a conveying channel (53), a feeding port three (54) and a feeding channel (55), the feeding channel (55) is fixedly connected with the feeding port one (16), the conveying channel (53) is fixedly arranged at the top end of the feeding channel (55), the spiral conveying rod (52) is rotatably arranged in the conveying channel (53), the motor (51) is fixedly arranged at one end of the conveying channel (53) away from the feeding channel (55), and the output end of the motor (51) is fixedly connected with the spiral conveying rod (52), and the feeding port three (54) is formed in one side of the top end of the conveying channel (53) close to the motor (51).

3. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 1, characterized in that, The solid feeding distributor (6) is in a whole conical body structure.

4. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 3, characterized by, The diameter of the bottom end of the solid feeding distributor (6) is greater than that of the filter pipe one (9), and the solid feeding distributor (6) is fixedly connected with the inner wall of the reactor body (1) through a plurality of fixing rods (18).

5. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 1, characterized in that, The bottom of one side of the reaction zone one (3) is provided with a discharging port two (19), and the discharging port two (19) is located between the partition plate one (7) and the partition plate three (23).

6. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 5, characterized by, One side of the lower part of the reaction zone two (4) is provided with a feeding port four (20) in cooperation with the discharging port two (19), and the ring-shaped distributor two (22) is connected with the discharging port two (19) through the feeding port four (20).

7. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 1, characterized in that, The ring-shaped distributor one (11) and the ring-shaped distributor two (22) are both in a whole circular ring structure, a plurality of through holes two (12) are formed in the outer wall of the ring-shaped distributor one (11) and the ring-shaped distributor two (22), and the plurality of through holes two (12) are uniformly and spacedly arranged.

8. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 1, characterized by, The lower part of the reaction area one (3) is provided with a slag discharge port (24) on one side, and the slag discharge port (24) is located above the partition plate one (7), and the feeding port five (25) is located above the partition plate two (8).

9. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 1, characterized by, The lower part of one side of the water washing tank (2) is provided with an air inlet (26), the air inlet (26) is connected with the gas outlet one (14), and the bottom end of the water washing tank (2) is provided with a discharge port three (27), and the discharge port three (27) is connected with the feeding port two (13).

10. The reactor for producing calcium chloride using chloroacetic acid by-product hydrochloric acid according to claim 9, characterized by, The top end of the water washing tank (2) is provided with a gas outlet two (28), and the top of one side of the water washing tank (2) is provided with a water inlet (29), and the water inlet (29) is connected with a water inlet pipeline (30), and the water inlet pipeline (30) is connected with the discharge port three (27).

Citation Information

Patent Citations

  • Device for continuously producing liquid calcium chloride

    CN213416301U