Storage device for recycling adipic acid waste liquid

Abstract

The utility model discloses a storage device for recycling adipic acid waste liquid, relates to the field of storage devices, and aims to solve the problems that an existing storage tank in the prior art is only provided with a liquid inlet and outlet, a tank body cannot be opened, particles in the adipic acid waste liquid are deposited at the bottom of the storage tank, and a conveying pump pumps out the adipic acid waste liquid. And particulate matters in the tank body are difficult to clean. An annular limiting part is fixedly connected to the upper end of the storage tank body, first connecting pieces are fixedly connected to the upper ends of the middles of the front end face and the rear end face of the storage tank body, threaded grooves are formed in the upper ends of the middles of the interiors of the first connecting pieces, rectangular movable grooves are connected to the lower ends of the threaded grooves, and rectangular movable pieces are arranged in the rectangular movable grooves. A tank cover is connected to the upper end of the storage tank body, second connecting pieces are fixedly connected to the middles of the front end face and the rear end face of the tank cover, circular grooves are formed in the middles of the second connecting pieces, and the first connecting pieces and the second connecting pieces are fixedly connected through screws.

Description

Technical Field

[0001] The utility model relates to the field of storage devices, in particular to a storage device for recovering adipic acid waste liquid. Background Art

[0002] In the manufacturing process of adipic acid, two kinds of annoying waste liquids are produced; the first waste liquid is the filtrate of adipic acid crystallization; the second is the residual liquid left after distillation of the intermediate cyclohexanol. A large adipic acid production plant produces more than 18,000 tons of waste liquid every year. The first waste liquid contains adipic acid, glutaric acid and succinic acid, so it is referred to as adipic acid, glutaric acid and succinic acid waste liquid. The total content of these three dibasic acids in the waste liquid is about 25%, and the rest is water and a small amount of impurities.

[0003] When adipic acid waste liquid is recycled, it needs to be stored and then pumped out by a delivery pump. The existing storage tank is only provided with a liquid inlet and outlet, and the tank body cannot be opened. Particles in the adipic acid waste liquid will settle at the bottom of the storage tank. After the delivery pump pumps out the adipic acid waste liquid, the particles inside the tank body are difficult to clean. Therefore, the market urgently needs to develop a storage device for recycling adipic acid waste liquid to help people solve the existing problems. Utility Model Content

[0004] The purpose of the utility model is to provide a storage device for recycling adipic acid waste liquid, so as to solve the problem that the adipic acid waste liquid needs to be stored for recycling and then pumped out by a delivery pump, the existing storage tank is only provided with a liquid inlet and outlet, the tank body cannot be opened, and particles in the adipic acid waste liquid are deposited at the bottom of the storage tank. After the delivery pump pumps out the adipic acid waste liquid, the particles inside the tank body are difficult to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a storage device for recovering adipic acid waste liquid, comprising a storage tank body and a tank cover, the upper end of the storage tank body is fixedly connected with an annular limiting portion, the middle upper ends of the front and rear end surfaces of the storage tank body are fixedly connected with a first connecting piece, the middle upper end inside the first connecting piece is provided with a threaded groove, the lower end of the threaded groove is connected with a rectangular movable groove, a rectangular movable piece is provided inside the rectangular movable groove, the upper end of the storage tank body is connected with a tank cover, the middle rear end of the upper end surface of the tank cover is provided with a liquid inlet and outlet, a sealing cover is threadedly connected to the liquid inlet and outlet, the middle of the front and rear end surfaces of the tank cover are fixedly connected with a second connecting piece, a circular groove is provided in the middle of the second connecting piece, and the first connecting piece and the second connecting piece are fixedly connected by a screw.

[0006] Preferably, a semicircular protrusion is fixedly connected to the upper end surface of the annular limiting portion, an annular limiting groove is provided on the lower end surface of the tank cover, and a pressure sealing ring is fixedly connected to the upper end inside the annular limiting groove.

[0007] Preferably, the annular limiting portion at the upper end of the storage tank body is inserted into the annular limiting groove at the lower end surface of the tank cover and the semicircular protrusion squeezes the pressure sealing ring.

[0008] Preferably, the upper end surface of the rectangular movable member is fixedly connected with a spring inside the rectangular movable groove, and the upper end of the spring is fixedly connected to the upper end surface inside the rectangular movable groove.

[0009] Preferably, the lower end of the rectangular movable member extends out of the lower end surface of the first connecting member and is fixedly connected to a paddle at the front end.

[0010] Preferably, the screw rod passes through the circular groove and is inserted into the thread groove on the first connecting member for threaded connection. The lower end of the screw rod passes through the thread groove and extends into the rectangular movable groove and is fixedly connected with a hexagonal limiting portion.

[0011] Preferably, a hexagonal limiting groove is provided in the middle of the upper end surface of the rectangular movable part, and the hexagonal limiting portion at the lower end of the screw rod is inserted into the hexagonal limiting groove on the rectangular movable part.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, through the setting of the screw, the screw passes through the circular groove and is inserted into the threaded groove on the first connecting member for threaded connection. The lower end of the screw passes through the threaded groove and extends into the rectangular movable groove and is fixedly connected with a hexagonal limiting portion. The screw is threadedly connected to the threaded groove, so that the first connecting member and the second connecting member are tightened and fixed, and then the storage tank body and the tank cover are tightened and fixed.

[0014] 2. In the utility model, through the setting of a rectangular movable part, a rectangular movable part is arranged inside the rectangular movable groove, a hexagonal limiting groove is arranged in the middle of the upper end surface of the rectangular movable part, and the hexagonal limiting part at the lower end of the screw is inserted into the hexagonal limiting groove on the rectangular movable part. When the screw tightens the first connecting part and the second connecting part, the screw is slightly adjusted to make the hexagonal limiting groove on the upper end surface of the rectangular movable part insert into the hexagonal limiting part, and the rectangular movable part is pulled by a spring to limit the rotation of the screw and prevent the screw from rotating.

[0015] 3. In the utility model, through the setting of the pressure sealing ring, the upper end surface of the annular limiting portion is fixedly connected with a semicircular protrusion, the lower end surface of the tank cover is provided with an annular limiting groove, the upper end of the annular limiting groove is fixedly connected with a pressure sealing ring, the annular limiting portion at the upper end of the storage tank body is inserted into the annular limiting groove at the lower end surface of the tank cover and the semicircular protrusion squeezes the pressure sealing ring, so that the storage tank body and the tank cover are sealed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a storage device for recycling waste adipic acid liquid according to the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3 It is a side sectional view of the utility model;

[0019] Figure 4 It is an enlarged view of the detail A of the present utility model.

[0020] In the figure: 1. storage tank body; 101. annular limiting portion; 102. semicircular protrusion; 2. first connecting member; 201. threaded groove; 202. rectangular movable groove; 203. spring; 3. rectangular movable member; 301. paddle; 302. hexagonal limiting groove; 4. tank cover; 401. liquid inlet and outlet; 402. sealing cover; 403. annular limiting groove; 404. pressure sealing ring; 5. second connecting member; 501. circular groove; 502. screw; 503. hexagonal limiting portion. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 , the utility model provides an embodiment: a storage device for recycling adipic acid waste liquid, comprising a storage tank body 1 and a tank cover 4, the upper end of the storage tank body 1 is fixedly connected with an annular limiting portion 101, the middle upper ends of the front and rear end surfaces of the storage tank body 1 are fixedly connected with a first connecting member 2, the middle upper end of the first connecting member 2 is provided with a threaded groove 201, the lower end of the threaded groove 201 is connected with a rectangular movable groove 202, a rectangular movable member 3 is provided inside the rectangular movable groove 202, the upper end of the storage tank body 1 is connected with a tank cover 4, the middle rear end of the upper end surface of the tank cover 4 is provided with a liquid inlet and outlet 401, the liquid inlet and outlet 401 is threadedly connected with a sealing cover 402, the middle parts of the front and rear end surfaces of the tank cover 4 are fixedly connected with a second connecting member 5, a circular groove 501 is provided in the middle of the second connecting member 5, and the first connecting member 2 and the second connecting member 5 are fixedly connected by a screw 502.

[0023] Furthermore, a semicircular protrusion 102 is fixedly connected to the upper end surface of the annular limiting portion 101 , an annular limiting groove 403 is provided on the lower end surface of the tank cover 4 , and a pressure sealing ring 404 is fixedly connected to the upper end inside the annular limiting groove 403 .

[0024] Furthermore, the annular limiting portion 101 at the upper end of the storage tank body 1 is inserted into the annular limiting groove 403 at the lower end surface of the tank cover 4 and the semicircular protrusion 102 squeezes the pressure sealing ring 404 to achieve sealing between the storage tank body 1 and the tank cover 4.

[0025] Furthermore, the upper end surface of the rectangular movable member 3 is fixedly connected with a spring 203 inside the rectangular movable groove 202 , and the upper end of the spring 203 is fixedly connected to the upper end surface inside the rectangular movable groove 202 , so that the rectangular movable member 3 can be lifted and moved in the rectangular movable groove 202 .

[0026] Furthermore, the lower end of the rectangular movable member 3 extends out of the lower end surface of the first connecting member 2 and is fixedly connected to a paddle 301 at the front end. The paddle 301 is moved to drive the rectangular movable member 3 to extend from the inside of the rectangular movable groove 202 and stretch the spring 203 at the same time.

[0027] Furthermore, the screw 502 passes through the circular groove 501 and is inserted into the threaded groove 201 on the first connecting member 2 for threaded connection. The lower end of the screw 502 passes through the threaded groove 201 and extends into the rectangular movable groove 202 and is fixedly connected with the hexagonal limiting portion 503. The screw 502 is threadedly connected to the threaded groove 201, so that the first connecting member 2 and the second connecting member 5 are tightened and fixed, and then the storage tank body 1 and the tank cover 4 are tightened and fixed.

[0028] Furthermore, a hexagonal limiting groove 302 is provided in the middle of the upper end surface of the rectangular movable part 3, and the hexagonal limiting portion 503 at the lower end of the screw rod 502 is inserted into the hexagonal limiting groove 302 on the rectangular movable part 3. When the screw rod 502 tightens the first connecting part 2 and the second connecting part 5, the screw rod 502 is slightly adjusted to make the hexagonal limiting groove 302 on the upper end surface of the rectangular movable part 3 fit into the hexagonal limiting portion 503, and the rectangular movable part 3 is pulled by the spring 203 to limit the rotation of the screw rod 502 and prevent the screw rod 502 from rotating.

[0029] Working principle: When in use, the storage tank body 1 and the tank cover 4 are connected by a screw rod 502 passing through the circular groove 501 and then inserted into the thread groove 201 on the first connecting member 2. The lower end of the screw rod 502 passes through the thread groove 201 and extends into the rectangular movable groove 202 and is fixedly connected with the hexagonal limiting portion 503. The screw 502 is threadedly connected with the thread groove 201, so that the first connecting member 2 and the second connecting member 5 are tightened and fixed, and then the storage tank body 1 and the tank cover 4 are tightened and fixed. When it is necessary to remove the particles inside the storage tank body 1, When cleaning the particles, the rectangular movable part 3 is driven to extend from the inside of the rectangular movable groove 202 by pressing down the paddle 301, so that the hexagonal limiting groove 302 on the upper end surface of the rectangular movable part 3 is separated from the hexagonal limiting portion 503, and the screw 502 is rotated to move the screw out of the threaded groove 201 on the first connecting part 2, thereby releasing the tightened and fixed state between the first connecting part 2 and the second connecting part 5, and the annular limiting portion 101 is made to slide out of the annular limiting groove 403 by lifting the sealing cover 402, so that the particles inside the storage tank body 1 can be cleaned.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A storage device for recycling adipic acid waste liquid, comprising a storage tank body (1) and a tank cover (4), characterized in that: The upper end of the storage tank body (1) is fixedly connected with an annular limiting portion (101); the middle upper ends of the front and rear end surfaces of the storage tank body (1) are fixedly connected with a first connecting member (2); the middle upper end of the first connecting member (2) is provided with a threaded groove (201); the lower end of the threaded groove (201) is connected with a rectangular movable groove (202); a rectangular movable member (3) is provided inside the rectangular movable groove (202); the upper end of the storage tank body (1) is connected with a tank cover (4); the middle rear end of the upper end surface of the tank cover (4) is provided with a liquid inlet and outlet (401); a sealing cover (402) is threadedly connected to the liquid inlet and outlet (401); the middle of the front and rear end surfaces of the tank cover (4) are fixedly connected with a second connecting member (5); the middle of the second connecting member (5) is provided with a circular groove (501); the first connecting member (2) and the second connecting member (5) are fixedly connected via a screw (502).

2. The storage device for recycling adipic acid waste liquid according to claim 1, characterized in that: The upper end surface of the annular limiting portion (101) is fixedly connected to a semicircular protrusion (102), the lower end surface of the tank cover (4) is provided with an annular limiting groove (403), and the upper end inside the annular limiting groove (403) is fixedly connected to a pressure sealing ring (404).

3. The storage device for recycling adipic acid waste liquid according to claim 1, characterized in that: The annular limiting portion (101) at the upper end of the storage tank body (1) is inserted into the annular limiting groove (403) at the lower end surface of the tank cover (4) and causes the semicircular protrusion (102) to squeeze the pressure sealing ring (404).

4. The storage device for recycling adipic acid waste liquid according to claim 1, characterized in that: The upper end surface of the rectangular movable member (3) is fixedly connected to a spring (203) inside the rectangular movable groove (202), and the upper end of the spring (203) is fixedly connected to the upper end surface inside the rectangular movable groove (202).

5. The storage device for recycling adipic acid waste liquid according to claim 1, characterized in that: The lower end of the rectangular movable member (3) extends beyond the lower end surface of the first connecting member (2) and is fixedly connected to a paddle (301) at the front end.

6. The storage device for recycling adipic acid waste liquid according to claim 4, characterized in that: The screw rod (502) passes through the circular groove (501) and is inserted into the thread groove (201) on the first connecting member (2) for threaded connection. The lower end of the screw rod (502) passes through the thread groove (201) and extends into the rectangular movable groove (202) and is fixedly connected to a hexagonal limiting portion (503).

7. The storage device for recycling adipic acid waste liquid according to claim 6, characterized in that: A hexagonal limiting groove (302) is provided in the middle of the upper end surface of the rectangular movable part (3), and the hexagonal limiting portion (503) at the lower end of the screw rod (502) is inserted into the hexagonal limiting groove (302) on the rectangular movable part (3).

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