CN217139304U - Catalyst protector for anthraquinone method hydrogen peroxide production - Google Patents

Abstract

The application discloses catalyst protector is used in production of anthraquinone process hydrogen peroxide solution belongs to the technical field of anthraquinone process hydrogen peroxide solution production, its include the casing, set up in lid on the casing, set up in feed liquor pipe on the lid and set up in the drain pipe of casing bottom, the spiral is provided with the purifying duct who is equipped with zeolite in the casing, purifying duct one end with feed liquor pipe fixed connection, the purifying duct other end is provided with the filter disc that is used for blockking zeolite. This application has the effect of purifying regeneration liquid, assurance product quality.

Description

Catalyst protector for anthraquinone method hydrogen peroxide production

Technical Field

The application relates to the technical field of production of hydrogen peroxide by an anthraquinone process, in particular to a catalyst protector for production of hydrogen peroxide by the anthraquinone process.

Background

The production of hydrogen peroxide by the anthraquinone method is one of the most mature production methods for producing hydrogen peroxide in the world at present, and the production of hydrogen peroxide by the anthraquinone method means that alkyl quinone derivatives are used as carriers, hydrogenated under the catalysis of a catalyst and then oxidized to synthesize hydrogen peroxide by utilizing the property that quinone substances can be hydrogenated and reduced and then restored to quinone.

In the related technology, an operator directly adds the regeneration liquid at the outlet of the regeneration liquid pump into a hydrogenation reactor, a noble metal catalyst is installed in the hydrogenation reactor, and more organic matters and other impurities exist in the regeneration liquid directly added into the hydrogenation reactor.

SUMMERY OF THE UTILITY MODEL

In order to purify the regenerated liquid and ensure the quality of products, the application provides a catalyst protector for anthraquinone process hydrogen peroxide production.

The catalyst protector for anthraquinone process hydrogen peroxide production adopts the following technical scheme:

catalyst protector is used in production of anthraquinone method hydrogen peroxide solution, including the casing, set up in lid on the casing, set up in feed liquor pipe on the lid and set up in the drain pipe of casing bottom, the spiral is provided with the pipeline that purifies who is equipped with zeolite in the casing, pipeline one end with feed liquor pipe fixed connection, the pipeline other end that purifies is provided with the filter disc that is used for blockking zeolite.

Through adopting above-mentioned technical scheme, being provided with of filter disc does benefit to and prevents zeolite outflow purification pipeline, in operating personnel inputed the feed liquor with regeneration liquid, regeneration liquid in the feed liquor pipe gets into the casing through purification pipeline, being provided with of zeolite in the purification pipeline does benefit to and absorbs regeneration liquid middle part organic matter and impurity, regeneration liquid through purifying flows into one process down through the drain pipe, purification pipeline and setting of zeolite are favorable to purifying regeneration liquid, thereby guarantee the quality of product.

Preferably, an installation cavity for containing zeolite is formed in the filter disc, the purification pipeline extends into the installation cavity, the purification pipeline is in threaded fit with the filter disc, and a plurality of water distribution holes are formed in the inner bottom surface of the installation cavity.

Through adopting above-mentioned technical scheme, operating personnel opens the lid earlier, and operating personnel pulls down the filter disc after that, and the zeolite in the clean pipe way is changed to the convenient operating personnel of dismantling of filter disc to realize regenerating of zeolite, setting up of water diversion hole makes the regeneration liquid evenly distributed that flows into in the casing.

Preferably, the inner side wall of the shell is provided with a mounting frame in a sliding manner, the mounting frame is provided with a mounting frame, the inner side wall of the mounting frame is fixedly connected with an activated carbon plate, and the cover body is provided with a lifting assembly for driving the mounting frame to move in the vertical direction; the improved shell is characterized in that an isolation plate is fixedly connected to the inner side wall of the bottom of the shell, a communication hole is formed in the isolation plate, and a control assembly used for opening and closing the communication hole is arranged on the isolation plate.

Through adopting above-mentioned technical scheme, the setting up of division board and control assembly makes things convenient for operating personnel to save regeneration liquid temporary storage in the casing, and operating personnel utilizes lifting unit to make the mounting bracket reciprocate along the casing, and the mounting bracket removes and drives the installing frame and the active carbon board reciprocates to make active carbon board and regeneration liquid fully contact, and then make organic matter and impurity in the active carbon board can fully adsorb the regeneration liquid.

Preferably, the lifting assembly comprises a driving motor installed on the cover body and a lead screw arranged in the mounting frame in a penetrating mode, the lead screw is in threaded fit with the mounting frame, and the lead screw is fixedly connected with an output shaft of the driving motor.

Through adopting above-mentioned technical scheme, operating personnel starts driving motor, and driving motor makes the lead screw rotate, and the lead screw rotates and makes the mounting bracket remove along the length direction of lead screw, and driving motor and lead screw set up the position that makes things convenient for operating personnel to adjust the active carbon board.

Preferably, the bottom fixedly connected with guide bar of lid, the guide bar with lead screw parallel arrangement, the guide bar passes the mounting bracket, just the guide bar with the mounting bracket cooperation of sliding.

Through adopting above-mentioned technical scheme, the setting up of guide bar provides the guide effect for the removal of mounting bracket on the one hand, and the setting up of guide bar on the other hand makes the removal of mounting bracket more smooth and easy.

Preferably, the mounting frame is fixedly connected with a support rod, the mounting frame is provided with a limit groove which is used for being matched with the support rod in an inserting mode, and a fixing component used for fixing the support rod is arranged in the mounting frame.

Through adopting above-mentioned technical scheme, the setting up of fixed subassembly and bracing piece makes mounting bracket and installing frame can dismantle and be connected, and operating personnel separates casing and lid earlier, and the mounting bracket makes things convenient for operating personnel to pull down the installing frame with dismantling of installing frame to make things convenient for operating personnel to change the active carbon board.

Preferably, the fixed subassembly is including wearing to locate two-way lead screw, screw thread in the installing frame set up in the inserted block of two-way lead screw, offer on the inside wall of spacing groove be used for with the inserted block complex guide way that slides, offer on the bracing piece be used for with the inserted block complex slot of pegging graft, fixed cover is equipped with the worm wheel on the two-way lead screw, the installing frame internal rotation install be used for with worm wheel meshed's worm, be provided with the knob on the worm.

Through adopting above-mentioned technical scheme, operating personnel rotates the knob, and the knob rotates and makes the worm rotate, and the worm rotates and makes the worm wheel rotate, and the worm wheel rotates and makes two-way lead screw rotate, and two-way lead screw rotates and makes the inserted block remove, and when the inserted block inserted slot on the bracing piece in to realize the locking of bracing piece, when the inserted block breaks away from in the slot, operating personnel can separate mounting bracket and installing frame.

Preferably, the end part of the casing, far away from the liquid outlet pipe, is in threaded connection with a connecting sleeve, the end part of the casing, far away from the liquid outlet pipe, is in threaded connection with a liquid discharge pipe, and a filtering membrane is fixedly connected to the inner side wall of the connecting sleeve.

Through adopting above-mentioned technical scheme, connecting sleeve's setting makes drain pipe and fluid-discharge tube can dismantle and be connected, and filtering membrane be provided with and do benefit to organic matter and impurity in the further regeneration liquid of filtering to guarantee the quality of product.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the filter disc is favorable for preventing zeolite from flowing out of the purification pipeline, an operator inputs the regeneration liquid into the liquid inlet pipe, the regeneration liquid in the liquid inlet pipe enters the shell through the purification pipeline, the arrangement of the zeolite in the purification pipeline is favorable for absorbing partial organic matters and impurities in the regeneration liquid, the purified regeneration liquid flows into the next process through the liquid outlet pipe, and the arrangement of the purification pipeline and the zeolite is favorable for purifying the regeneration liquid, so that the quality of a product is ensured;

2. the arrangement of the isolation plate and the control assembly is convenient for an operator to temporarily store the regeneration liquid in the shell, the operator enables the mounting frame to move up and down along the shell by utilizing the lifting assembly, and the mounting frame moves to drive the mounting frame and the activated carbon plate to move up and down, so that the activated carbon plate is in full contact with the regeneration liquid, and the activated carbon plate can fully adsorb organic matters and impurities in the regeneration liquid;

3. the setting of connecting sleeve makes drain pipe and fluid-discharge tube can dismantle and be connected, and filtering membrane be provided with and do benefit to organic matter and impurity in the further regeneration liquid of filtering to guarantee the quality of product.

Drawings

FIG. 1 is a schematic structural diagram of a catalyst protector for hydrogen peroxide production by an anthraquinone process according to an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the housing according to the embodiment of the present application.

Fig. 3 is a schematic view of the internal structure of the mounting frame according to the embodiment of the present application.

Description of reference numerals:

1. a housing; 12. a cover body; 13. a liquid inlet pipe; 14. a mounting frame; 15. a support bar; 151. a slot; 16. a guide bar; 17. a separator plate; 171. a communicating hole; 18. a liquid outlet pipe; 2. purifying the pipeline; 21. a filter tray; 22. installing a cavity; 23. water distribution holes; 3. installing a frame; 31. an activated carbon plate; 32. a limiting groove; 33. a guide groove; 34. a worm gear; 35. a worm; 36. a knob; 37. accommodating a tank; 4. a fixing assembly; 41. a bidirectional screw rod; 42. inserting a block; 5. a lifting assembly; 51. a drive motor; 52. a lead screw; 6. a control component; 61. a cylinder; 62. sealing plates; 7. a connecting sleeve; 71. a filtration membrane; 72. and a liquid discharge pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a catalyst protector for hydrogen peroxide production by an anthraquinone process. Referring to fig. 1 and 2, the catalyst protector for producing hydrogen peroxide by anthraquinone process includes a casing 1, a cover 12 and a purifying pipeline 2.

Referring to fig. 1 and 2, the housing 1 is vertically arranged, the cross section of the housing 1 is rectangular, the cover 12 is arranged at the top of the housing 1, and the cover 12 is fixedly connected with the housing 1 through bolts. The cover body 12 is provided with a liquid inlet pipe 13, and the liquid inlet pipe 13 is communicated with the inner cavity of the shell 1.

Referring to fig. 1 and 2, the purifying pipeline 2 is disposed in the casing 1, the purifying pipeline 2 is spirally disposed, one end of the purifying pipeline 2 is communicated with the liquid inlet pipe 13, and the other end of the purifying pipeline 2 is provided with a filter disc 21. An installation cavity 22 is formed in the filter disc 21, the cross section of the installation cavity 22 is circular, and the purifying pipeline 2 and the installation cavity 22 are filled with zeolite. The end of the purge conduit 2 remote from the filter disc 21 extends into the mounting cavity 22, the purge conduit 2 being in threaded engagement with the filter disc 21. The inner bottom surface of the mounting cavity 22 is provided with a plurality of water diversion holes 23, and the water diversion holes 23 are uniformly distributed around the axis of the filter disc 21. The arrangement of zeolite is favorable to adsorbing partial organic matters and impurities in the regeneration liquid, and when the regeneration liquid enters the purifying pipeline 2 and flows into the installation cavity 22, the arrangement of the water diversion holes 23 enables the distribution of the regeneration liquid to be more uniform.

Referring to fig. 2 and 3, a mounting frame 14 is arranged on the inner side wall of the housing 1, one side surface of the mounting frame 14 is in sliding fit with the inner side wall of the mounting frame 14, two support rods 15 are fixedly connected to the other side surface of the mounting frame 14, and the two support rods 15 are arranged at intervals. Be provided with installing frame 3 on the mounting bracket 14, fixedly connected with activated carbon plate 31 on the inside wall of installing frame 3 has seted up spacing groove 32 on the installing frame 3, and spacing groove 32 is provided with two, two spacing grooves 32 and two bracing pieces 15 one-to-one, and the inside wall cooperation of sliding of bracing piece 15 and spacing groove 32.

Referring to fig. 2 and 3, a fixing assembly 4 for fixing the support rod 15 is disposed in the mounting frame 3, the fixing assembly 4 includes a bidirectional screw rod 41 and an insertion block 42, the bidirectional screw rod 41 horizontally penetrates through the mounting frame 3, and the length direction of the bidirectional screw rod 41 is perpendicular to the length direction of the support rod 15. Two insertion blocks 42 are arranged, the two insertion blocks 42 correspond to two ends of the bidirectional screw rod 41 one by one, and the bidirectional screw rod 41 penetrates into the insertion blocks 42 and is matched with the insertion blocks 42 through threaded discs. The installation frame 3 is internally provided with a guide groove 33 which is used for being matched with the insertion block 42 in a sliding manner, one end of the guide groove 33 is communicated with one limiting groove 32, the other end of the guide groove 33 is communicated with the other limiting groove 32, and the side surface of the support rod 15 close to the insertion block 42 is provided with a slot 151 which is used for being matched with the insertion block 42 in an insertion manner.

Referring to fig. 2 and 3, a worm wheel 34 is fixedly sleeved on the bidirectional screw rod 41, a worm 35 is rotatably installed in the installation frame 3, one end of the worm 35 is meshed with the worm wheel 34, the installation frame 3 extends out of the other end of the worm 35, a knob 36 is fixedly connected to the end portion of the worm 35 extending out of the installation frame 3, and an accommodating groove 37 used for accommodating the knob 36 is formed in the installation frame 3.

Referring to fig. 2 and 3, an operator rotates the knob 36 first, the knob 36 rotates to enable the worm 35 to rotate, the worm 35 rotates to enable the worm wheel 34 to rotate, the worm wheel 34 rotates to enable the bidirectional screw rod 41 to rotate, the bidirectional screw rod 41 rotates to enable the insertion blocks 42 to approach each other, then the operator inserts the support rod 15 into the limiting groove 32, then the operator rotates the knob 36 in the opposite direction to enable the two insertion blocks 42 to be far away from each other, and the insertion blocks 42 are inserted into the insertion grooves 151 of the support rod 15, so that the position of the installation frame 3 is locked.

Referring to fig. 2, a lifting assembly 5 for driving the mounting frame 14 to move in a vertical direction is disposed on the cover 12, the lifting assembly 5 includes a driving motor 51 and a lead screw 52, the driving motor 51 is mounted on an upper surface of the cover 12, and an output shaft of the driving motor 51 penetrates through the cover 12 and is rotatably connected with the cover 12. Fixed mounting has division board 17 on the inside wall of casing 1 bottom, and lead screw 52 is vertical to be set up, lead screw 52 one end and driving motor 51's output shaft fixed connection, and the lead screw 52 other end is connected with division board 17's upper surface rotation. The lead screw 52 passes through the mounting bracket 14, and the lead screw 52 is threadedly engaged with the mounting bracket 14. Two guide rods 16 are fixedly connected to the bottom surface of the cover body 12, the guide rods 16 are vertically arranged, the two guide rods 16 are respectively arranged on two sides of the screw rod 52, the guide rods 16 penetrate through the mounting frame 14 and are fixedly connected with the partition board 17, and the guide rods 16 are matched with the mounting frame 14 in a sliding mode. The drive motor 51 and the lead screw 52 are provided to facilitate the operator's control of the positions of the mounting frame 14, the mounting frame 3 and the activated carbon plate 31.

Referring to fig. 2, a communication hole 171 is formed in the partition plate 17, the cross section of the communication hole 171 is rectangular, a control assembly 6 for opening and closing the communication hole 171 is disposed on the partition plate 17, and the control assembly 6 includes an air cylinder 61 and a sealing plate 62. The cylinder 61 is mounted on the outer side wall of the housing 1, and the piston rod of the cylinder 61 penetrates into the partition plate 17 and is in sliding fit with the partition plate 17. The sealing plate 62 is arranged in the isolation plate 17 in a penetrating manner, the sealing plate 62 is matched with the isolation plate 17 in a sliding manner, and the side face, close to the cylinder 61, of the sealing plate 62 is fixedly connected with the piston rod of the cylinder 61. The operator starts the cylinder 61, and the piston rod of the cylinder 61 moves to drive the sealing plate 62 to move so as to block the communication hole 171, so that the operator can conveniently clean the organic matters and impurities in the regeneration liquid by using the activated carbon plate 31.

Referring to fig. 1 and 2, a liquid outlet pipe 18 is communicated with the bottom of the casing 1, a connecting sleeve 7 is arranged on the liquid outlet pipe 18, one end of the connecting sleeve 7 is in threaded fit with the end part, far away from the casing 1, of the liquid outlet pipe 18, and a liquid discharge pipe 72 is in threaded connection with the other end of the connecting sleeve 7. Fixed mounting has filtration membrane 71 on the inside wall of connecting sleeve 7, and the organic matter and the impurity in the regeneration liquid are further filtered to convenient operating personnel that set up of filtration membrane 71 to guarantee the quality of product, setting up of connecting sleeve 7 makes and to get to dismantle between liquid pipe 18 and the fluid-discharge tube 72, thereby makes things convenient for operating personnel to change filtration membrane 71.

The implementation principle of the catalyst protector for the production of hydrogen peroxide by the anthraquinone process in the embodiment of the application is as follows: the setting of filter disc 21 does benefit to and prevents zeolite outflow purge tube 2, and operating personnel is with in the regeneration liquid input feed liquor pipe 13, in the interior regeneration liquid of feed liquor pipe 13 got into casing 1 through purge tube 2, the zeolite in purge tube 2 was provided with and is favorable to absorbing partial organic matter and impurity in the regeneration liquid. The operator closes the communication hole 171 by using the control module 6, then the operator starts the driving motor 51, the driving motor 51 rotates the screw 52, the screw 52 drives the mounting frame 14, the mounting frame 3 and the activated carbon plate 31 to move, and the activated carbon plate 31 adsorbs and purifies the regeneration liquid again. Then, the operator opens the communication hole 171, the regenerated liquid flows into the next process through the liquid outlet pipe 18, the filtering membrane 71 and the liquid outlet pipe 72 in sequence, and the filtering membrane 71 is arranged to filter the regenerated liquid again, so that the quality of the product is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an anthraquinone process is catalyst protector for hydrogen peroxide production, include casing (1), set up in lid (12) on casing (1), set up in feed liquor pipe (13) on lid (12) and set up in drain pipe (18) of casing (1) bottom, its characterized in that: the zeolite purification device is characterized in that a purification pipeline (2) filled with zeolite is spirally arranged in the shell (1), one end of the purification pipeline (2) is fixedly connected with the liquid inlet pipe (13), and a filter disc (21) used for blocking zeolite is arranged at the other end of the purification pipeline (2).

2. The catalyst protector for the production of hydrogen peroxide by the anthraquinone process according to claim 1, which is characterized in that: an installation cavity (22) used for containing zeolite is formed in the filter disc (21), the purifying pipeline (2) extends into the installation cavity (22), the purifying pipeline (2) is in threaded fit with the filter disc (21), and a plurality of water distribution holes (23) are formed in the inner bottom surface of the installation cavity (22).

3. The catalyst protector for the production of hydrogen peroxide by the anthraquinone process according to claim 1, which is characterized in that: an installation frame (14) is arranged on the inner side wall of the shell (1) in a sliding mode, an installation frame (3) is arranged on the installation frame (14), an activated carbon plate (31) is fixedly connected to the inner side wall of the installation frame (3), and a lifting assembly (5) used for driving the installation frame (14) to move in the vertical direction is arranged on the cover body (12); fixedly connected with division board (17) on the inside wall of casing (1) bottom, intercommunication hole (171) have been seted up on division board (17), be provided with on division board (17) and be used for opening and close control assembly (6) of intercommunication hole (171).

4. The catalyst protector for the production of hydrogen peroxide by the anthraquinone process according to claim 3, which is characterized in that: the lifting assembly (5) comprises a driving motor (51) installed on the cover body (12) and a lead screw (52) arranged in the mounting frame (14) in a penetrating mode, the lead screw (52) is in threaded fit with the mounting frame (14), and the lead screw (52) is fixedly connected with an output shaft of the driving motor (51).

5. The catalyst protector for the production of hydrogen peroxide by the anthraquinone process according to claim 4, which is characterized in that: the bottom fixedly connected with guide bar (16) of lid (12), guide bar (16) with lead screw (52) parallel arrangement, guide bar (16) pass mounting bracket (14), just guide bar (16) with mounting bracket (14) sliding fit.

6. The catalyst protector for the production of hydrogen peroxide by the anthraquinone process according to claim 3, which is characterized in that: fixedly connected with bracing piece (15) on mounting bracket (14), seted up on installing frame (3) be used for with bracing piece (15) grafting complex spacing groove (32), be provided with in installing frame (3) and be used for fixing fixed subassembly (4) of bracing piece (15).

7. The catalyst protector for the production of hydrogen peroxide by the anthraquinone process according to claim 6, which is characterized in that: fixed subassembly (4) including wearing to locate two-way lead screw (41), screw thread in installing frame (3) set up in the inserted block (42) of two-way lead screw (41), seted up on the inside wall of spacing groove (32) be used for with inserted block (42) complex guide way (33) that slides, seted up on bracing piece (15) be used for with inserted block (42) grafting complex slot (151), fixed cover is equipped with worm wheel (34) on two-way lead screw (41), installing frame (3) internal rotation install be used for with worm wheel (34) meshed worm (35), be provided with knob (36) on worm (35).

8. The catalyst protector for the production of hydrogen peroxide by the anthraquinone process according to claim 1, which is characterized in that: the liquid outlet pipe (18) is far away from the end part of the shell (1) is in threaded connection with a connecting sleeve (7), the connecting sleeve (7) is far away from the end part of the liquid outlet pipe (18) is in threaded connection with a liquid discharge pipe (72), and a filtering membrane (71) is fixedly connected onto the inner side wall of the connecting sleeve (7).

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