CN214010082U

CN214010082U - Waste acid is preheater for regeneration

Info

Publication number: CN214010082U
Application number: CN202023275437.6U
Authority: CN
Inventors: 乔亮; 席福正; 邹辰明; 张存海; 张�杰; 吴卓
Original assignee: Inner Mongolia Menglian Petrochemical Co ltd
Current assignee: Inner Mongolia Menglian Petrochemical Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-20
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a spent acid is pre-heater for regeneration, comprises a mounting table, mount table top surface one side rigid coupling has curb plate one and base, and the base top surface is connected with curb plate two through hinge rotation, the one end welding that two bottoms of curb plate are close to curb plate one has the diaphragm, and the cylinder hole has been seted up to the diaphragm top surface, and the pre-heater body has been placed to cylinder downthehole wall, curb plate one and curb plate two are close to one side and all are fixed with spacing post, upper and lower side spacing post one end has welded briquetting one and briquetting two respectively, the diaphragm outside still is provided with the stand, and the front and back end is two equal fixedly connected with crossbeam between the stand. The utility model relates to a rationally, the device operation is stable, and it is convenient to install, and the dismouting is convenient when the pre-heater breaks down and needs to be maintained, has improved the efficiency that the pre-heater was maintained and overhauld greatly, carries out regeneration treatment, recycle for the spent acid and provides technical guarantee.

Description

Waste acid is preheater for regeneration

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a waste acid is pre-heater for regeneration.

Background

In recent years, the reprocessing and deep processing project of liquefied petroleum gas is widely regarded by the industry and the off-road. The processing technology is easy to obtain, firstly, the butene resource in the liquefied gas is utilized, and the technology produced by the process is aromatization and isomerization. At present, the deep processing of isobutane and butane is noticed, and therefore, alkylation devices which have been introduced for years but have been idle are also noticed. The alkylation technology is an introduced mature technology, and the technology has already been made into a home-made product with the continuous deepening and increasing importance of the knowledge of the domestic research and development design unit. A large amount of waste acid is generated in the alkylation reaction process, the waste acid generated by an alkylation device needs to be regenerated and recycled, and the process of the waste sulfuric acid treatment and recovery device mainly comprises a burning section, a purification section, a conversion section, a dry absorption section, an absorption section and other stages; wherein, furnace gas from the waste heat boiler at the later stage of the incineration working section can enter the purification working section after being cooled by the air preheater. The air preheater is a heating surface for preheating air which enters a boiler to a certain temperature by smoke in a flue at the tail part of the boiler through an internal radiating fin, is equipment for improving the heat exchange performance of the boiler and reducing energy consumption, is usually installed by means of an auxiliary tool when being installed due to a large size, and is convenient to install, quick to maintain and capable of ensuring that the air preheater is in production and running.

Through retrieval, the patent of application publication No. 201921267045.X discloses an air preheater convenient to install, which comprises a supporting seat, wherein the bottom of the supporting seat is fixedly connected with a base, the top of the supporting seat is fixedly connected with a hydraulic cylinder, an output shaft of the hydraulic cylinder is fixedly connected with a hydraulic rod, one end of the hydraulic rod is fixedly connected with a supporting block, one side of the supporting block is fixedly connected with a connecting block, the inner wall of the connecting block is movably connected with a locking bolt, the top end of the locking bolt is fixedly connected with a rotating block, the outer wall of the locking bolt is movably connected with a locking block, the inner wall of the supporting block is fixedly connected with a groove pad, the inner wall of the groove pad is movably connected with an inserting block, the top of the inserting block is fixedly connected with an air preheater body, one side of the air preheater body is fixedly connected with a cold air inlet pipe, one side of the air preheater body is fixedly connected with a hot air outlet pipe, one side of the air preheater body is fixedly connected with a flue gas outlet pipe, one side fixedly connected with flue gas admission pipe of air heater body, the positive fixedly connected with fixed block of air heater body, the positive fixedly connected with handle of fixed block.

The device is inconvenient to disassemble and assemble when the preheater is in failure or needs to be maintained after being installed, so that the overhauling and maintaining time of the preheater is greatly prolonged, and the using requirements of people are difficult to meet, so that the research on the preheater for waste acid regeneration is very necessary.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a preheater for waste acid regeneration.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a preheater for waste acid regeneration comprises a mounting table, wherein one side of the top surface of the mounting table is fixedly connected with a side plate I and a base, the top surface of the base is rotatably connected with a side plate II through a hinge, a transverse plate is welded at one end, close to the side plate I, of the bottom end of the side plate II, a cylindrical hole is formed in the top surface of the transverse plate, a preheater body is placed on the inner wall of the cylindrical hole, a limiting column is fixed at one side, close to the side plate II, of the side plate I and the side plate II, a first pressing block and a second pressing block are respectively welded at one end of the limiting column at the upper side and the lower side, a vertical column is further arranged at the outer side of the transverse plate, a transverse beam is fixedly connected between the two vertical columns at the front end and the rear end, a first lead screw is fixed at the central end of the transverse beam through threads, a first pressing plate is fixed at one end of the first pressing plate close to the center of the transverse plate, a second lead screw is regulated on the top of the mounting table through threads at both sides of the bottom end of the transverse plate, and is rotatably connected with a second pressing plate through a rolling bearing, the mounting groove has all been seted up to mount table top surface opposite side front and back end, and mounting groove both sides inner wall all rotates and is connected with the threaded rod, the threaded rod outer wall all has the installation piece through the screw thread rigid coupling, and installation piece top surface and two middle part front and back positions of curb plate all are fixed with articulated seat, all rotate on the articulated seat and be connected with the connecting block, equal fixedly connected with regulation pole between two connecting blocks of front and back end, the mount table top surface deviates from pre-heater body one side still the rigid coupling have a supporting seat, two the one end of threaded rod all passes the mount table and passes through the conveyer belt rotation at the tip and connect, one of them threaded rod and lead screw one and lead screw two deviate from the equal rigid coupling of pre-heater body one side end portion and have the swivel becket.

Preferably, the top sides of the two pressing plates are also provided with a frosting layer, and the inner wall of the cylindrical hole is also fixedly connected with a rubber pad.

Preferably, the two limiting columns are arranged at the upper ends and the middle positions of the inner sides of the first side plate and the second side plate.

Preferably, one end of the first pressing block, one end of the second pressing block and one end of the first pressing plate, which are close to the center of the transverse plate, are in sliding contact with the end face of the preheater body.

Preferably, the four upright posts are arranged and distributed at the outer side of the transverse plate in a square shape.

Preferably, the two beams are arranged at the upper side and the middle part of the two upright posts at the same end.

Preferably, the first pressing block, the second pressing block and the first pressing plate are fixed with soft pads at one ends close to the preheater body.

Preferably, the distance between the front side and the rear side of the first pressing block and the front side and the rear side of the first pressing block are larger than the maximum radius of the preheater body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages of reasonable design, stable operation of the device, convenient installation, convenient disassembly and assembly when the preheater breaks down and needs to be maintained, greatly improving the efficiency of maintenance and overhaul of the preheater, and providing technical support for regeneration treatment and recycling of waste acid;

2. when the utility model is installed, the preheater is firstly arranged in a cylindrical hole on the transverse plate, then the second side plate is continuously moved upwards by rotating the threaded rod, after the second side plate is moved upwards to a vertical position, the first pressing block and the second pressing block are used for limiting the two sides of the preheater body, then the first pressing block and the second pressing block are rotated to limit the front side and the rear side of the preheater body and fix the front side and the rear side of the preheater body and support the top ends of the two pairs of transverse plates of the pressing plates, the preheater is convenient to install, and the installation is stable after installation;

3. the utility model discloses when needs are overhauld and are cleared up, with the back is dismantled to the connecting pipe on heater top, make clamp plate one and clamp plate two leave pre-heater body and diaphragm through rotating lead screw one and lead screw two, then realize through rotating the threaded rod that curb plate two constantly moves down and make the pre-heater body keep flat to the staff of being convenient for overhauls and maintains the pre-heater.

Drawings

FIG. 1 is a schematic structural diagram of a preheater for regenerating waste acid according to the present invention;

FIG. 2 is a top view of a waste acid regenerating preheater according to the present invention;

FIG. 3 is a schematic structural diagram of a first briquette in a preheater for regenerating waste acid, which is provided by the utility model;

FIG. 4 is a schematic structural diagram of a second briquette in the preheater for recycling waste acid provided by the present invention;

FIG. 5 is a plan view of a swivel ring in a waste acid regenerating preheater according to the present invention;

FIG. 6 is a schematic structural view of a second pressing plate in the preheater for recycling waste acid provided by the present invention;

fig. 7 is a plan view of the cross plate in the preheater for recycling waste acid according to the present invention.

In the figure: the device comprises an installation table 1, a first side plate 2, a base 3, a second side plate 4, a transverse plate 5, a preheater body 6, a limiting column 7, a first pressing block 8, a second pressing block 9, a vertical column 10, a cross beam 11, a first screw rod 12, a first pressing plate 13, a second screw rod 14, a second pressing plate 15, a threaded rod 16, an installation block 17, a hinge base 18, a connecting block 19, an adjusting rod 20, a supporting base 21, a conveying belt 22, a rotating ring 23, a frosting layer 24 and a rubber pad 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, a waste acid regeneration preheater comprises a mounting table 1, a side plate I2 and a base 3 are fixedly connected to one side of the top surface of the mounting table 1, a side plate II 4 is rotatably connected to the top surface of the base 3 through a hinge, a transverse plate 5 is welded to one end of the bottom end of the side plate II 4 close to the side plate I2, a cylindrical hole is formed in the top surface of the transverse plate 5, a preheater body 6 is placed on the inner wall of the cylindrical hole, a limiting column 7 is fixed to one side of the side plate I2 and one side of the side plate II 4 close to each other, a first pressing block 8 and a second pressing block 9 are respectively welded to one end of the limiting column 7 on the upper side and the lower side, an upright column 10 is further arranged on the outer side of the transverse plate 5, a cross beam 11 is fixedly connected between the two upright columns 10 at the front end and the rear end, a first screw rod 12 is fixed to the central position of the cross beam 11 through a screw thread, a first pressing plate 13 is fixed to one end of the screw rod 12 close to the central end of the transverse plate 5, a second screw rod 14 is fixed to the top of the mounting table 1 on both sides of the bottom end of the transverse plate 5 through a screw thread, the second 14 tops of lead screw rotate through antifriction bearing and are connected with clamp plate two 15, the mounting groove has all been seted up to 1 top surface opposite side front and back end of mount table, the mounting groove both sides inner wall all rotates and is connected with threaded rod 16, the threaded rod 16 outer wall all has installation piece 17 through the screw rigid coupling, installation piece 17 top surface and two 4 middle part front and back end positions of curb plate all are fixed with articulated seat 18, it is connected with connecting block 19 all to rotate on the articulated seat 18, equal fixedly connected with regulation pole 20 between two connecting blocks 19 of front and back end, 1 top surface of mount table deviates from 6 one side of preheater body still the rigid coupling have supporting seat 21, the one end of two threaded rods 16 all passes mount table 1 and rotates at the tip through conveyer belt 22 to be connected, one of them threaded rod 16 and lead screw 12 and two 14 deviate from the equal rigid coupling of 6 side ends of preheater body and have swivel 23.

The top side of the second pressing plate 15 is also provided with a frosted layer 24, so that the second pressing plate 15 and the transverse plate 5 are connected more stably, and the inner wall of the cylindrical hole is further fixedly connected with a rubber pad 25, so that the acting force between the outer wall of the preheater body 6 and the inner wall of the cylindrical hole is reduced.

Spacing post 7 all is equipped with two and sets up in curb plate one 2 and the inboard upper end of curb plate two 4 and middle part position to make pre-heater body 6 realize the spacing of top side and middle part, fine assurance the stability after the installation of pre-heater body 6.

The first pressing block 8, the second pressing block 9 and the first pressing plate 13 are in sliding contact with the end face of the preheater body 6 at one end close to the center of the transverse plate 5, so that the preheater body 6 is fixed more stably temporarily.

The stand 10 is equipped with four and is the outside position of square shape distribution at diaphragm 5 to be convenient for the installation of crossbeam 11 fixed, crossbeam 11 all is equipped with two and distributes at two stand 10 upsides of same end and middle part position, thereby realizes that preheater body 6 realizes spacing at top side and middle part.

Briquetting one 8, briquetting two 9 and clamp plate one 13 are all fixed with the cushion near 6 one end of pre-heater body, have fine avoided briquetting one 8, briquetting two 9 and clamp plate one 13 to cause the emergence of wearing and tearing phenomenon to pre-heater body 6, and briquetting one 8 front and back side distance are greater than the biggest department radius of pre-heater body 6 to it is more stable to make the operation behind the installation of pre-heater body 6.

When the preheater is used, the preheater is firstly placed in a cylindrical hole in the transverse plate 5, then the second side plate 4 is continuously moved upwards through the rotating threaded rod 16, the second side plate 4 is moved upwards to a vertical position, the first pressing block 8 and the second pressing block 9 limit the two sides of the preheater body 6 at the moment, then the first pressing block 13 is rotated to limit the front side and the rear side of the preheater body 6 and supports the top end of the transverse plate 5 through the first pressing screw 12 and the second pressing screw 14, the first pressing block 13 and the second pressing block 15 leave the preheater body 6 and the transverse plate 5 through rotating the first pressing block 12 and the second pressing block 14 after the connecting pipe on the top end of the preheater is disassembled, then the second side plate 4 is continuously moved downwards through rotating the threaded rod 16 to enable the preheater body 6 to be horizontally placed, and the preheater to be convenient for workers to overhaul and maintain the preheater.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A preheater for waste acid regeneration comprises a mounting table (1) and is characterized in that a side plate I (2) and a base (3) are fixedly connected to one side of the top surface of the mounting table (1), a side plate II (4) is rotatably connected to the top surface of the base (3) through a hinge, a transverse plate (5) is welded to one end, close to the side plate I (2), of the bottom end of the side plate II (4), a cylindrical hole is formed in the top surface of the transverse plate (5), and a preheater body (6) is placed on the inner wall of the cylindrical hole;

a first limiting column (7) is fixed on one side, close to the first side plate (2) and the second side plate (4), of each side plate, a first pressing block (8) and a second pressing block (9) are welded to one end of each limiting column (7) on the upper side and the lower side respectively, an upright post (10) is further arranged on the outer side of the transverse plate (5), a transverse beam (11) is fixedly connected between the two upright posts (10) on the front end and the rear end respectively, a first screw rod (12) is fixed on the central position of each transverse beam (11) through threads, a first pressing plate (13) is fixed on one end, close to the center of the transverse plate (5), of each first screw rod (12), two screw rods (14) are specified on the tops of the bottom ends of the transverse plate (5) through threads, and the tops of the second screw rods (14) are rotatably connected with a second pressing plate (15) through rolling bearings;

the front end and the rear end of the other side of the top surface of the mounting table (1) are both provided with mounting grooves, the inner walls of the two sides of the mounting grooves are both rotatably connected with threaded rods (16), the outer wall of the threaded rod (16) is fixedly connected with a mounting block (17) through threads, the top surface of the mounting block (17) and the front and rear positions of the middle part of the side plate II (4) are respectively fixed with a hinge seat (18), the hinge seats (18) are rotatably connected with connecting blocks (19), adjusting rods (20) are fixedly connected between the two connecting blocks (19) at the front end and the rear end, a supporting seat (21) is fixedly connected to one side of the top surface of the mounting table (1) which is far away from the preheater body (6), one ends of the two threaded rods (16) penetrate through the mounting table (1) and are rotatably connected at the end parts through a conveying belt (22), one of the threaded rods (16), the first screw rod (12) and the second screw rod (14) are fixedly connected with rotating rings (23) at the end part of one side, which is far away from the preheater body (6).

2. A pre-heater for recycling waste acid as claimed in claim 1, wherein a frosted layer (24) is further provided on the top side of the second pressing plate (15), and a rubber pad (25) is further fixed on the inner wall of the cylindrical hole.

3. A pre-heater for recycling waste acid as claimed in claim 1, wherein two limiting columns (7) are provided and are arranged at the upper and middle positions of the inner sides of the first side plate (2) and the second side plate (4).

4. A waste acid regenerating preheater as claimed in claim 1, wherein one end of said first pressing block (8), said second pressing block (9) and said first pressing plate (13) near the center of the cross plate (5) are in sliding contact with the end surface of the preheater body (6).

5. A spent acid regenerating preheater according to claim 1, wherein said columns (10) are provided with four and square shapes distributed at outer positions of the transverse plate (5).

6. A pre-heater for spent acid regeneration according to claim 1, wherein the cross beams (11) are provided in two and distributed at the upper and middle positions of the two columns (10) at the same end.

7. A waste acid regenerating preheater as claimed in claim 1, wherein said first briquette (8), second briquette (9) and first briquette (13) are fixed with soft pads at the end close to the preheater body (6).

8. A spent acid regenerating preheater according to claim 1, wherein the distance between the front and rear sides of said briquette one (8) and briquette one (8) is greater than the maximum radius of the preheater body (6).