A waste heat recovery device for distillation of o-chlorobenzyl chloride

By installing a heat absorbing cover on the outside of the reactor and quickly and stably, a device for recycling and storing waste heat in the reactor with a fan, the problem of difficult waste heat is solved, and efficient waste heat recovery and storage is achieved, reducing heat waste and environmental impact.

CN222747840UActive Publication Date: 2025-04-11CHANGZHOU XINDONG CHEM IND DEV CO LTD
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Patent Information

Application Number
CN202421553096.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-04-11
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

During the ortho-chloro-benzyl chloride distillation, the waste heat generated by the reactor is difficult to recover, resulting in waste of heat and affecting the environment.

Method used

A device including two heat absorbing covers is designed. The heat absorbing cover is installed on the outside of the reactor, and the locking oblique block and the stabilizing block are used to achieve rapid stability of the heat absorbing cover. The fan recovers the heat inside the heat absorbing cover and transports it to the heat storage tank.

Benefits of technology

Efficient recycling and storage of waste heat in the reactor is achieved, reducing heat waste, reducing environmental impact, and simplifying the structure and assembly of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a waste heat recovery device for the distillation of o-chlorobenzyl chloride, which relates to the technical field of waste heat recovery, and includes: a reactor, wherein a first heat absorbing hood and a second heat absorbing hood are installed at the outer position of the reactor, and a first positioning bar of a rectangular structure is respectively provided on both sides of the first heat absorbing hood, and a stabilizing block is installed at the middle position of the first positioning bar, and a filter screen and a group of dust removal mechanisms are installed above the first heat absorbing hood and the second heat absorbing hood. Two assembled heat absorbing hoods are arranged at the outer position of the reactor, and the heat absorbing hood absorbs the waste heat of the reactor. The heat absorbing hood is provided with a spiral drainage groove on the inner side to evenly drain the heat, and a roller is provided to facilitate the movement of the heat absorbing hood, and a locking bevel block and a stabilizing block are provided to achieve the effect of fast and stabilizing the heat absorbing hood. A filter screen is provided to block dust in the air to prevent dust from entering the interior of the heat absorbing hood, and a cleaning plate driven by an electric motor is provided to automatically clean the filter screen.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a waste heat recovery device for o-chlorobenzyl chloride distillation. Background Art

[0002] At present, o-chlorobenzyl chloride is used in the production of o-chlorobenzyl cyanide, o-chlorobenzyl alcohol, synthetic dyes and pharmaceuticals. During the production of o-chlorobenzyl chloride, distillation is performed with the help of a reactor. The reactor will generate a lot of heat during the heating process of o-chlorobenzyl chloride, and the direct heat will be dissipated in the air, which not only wastes the waste heat of the reactor, but also causes damage to the surrounding environment. Utility Model Content

[0003] The utility model discloses a waste heat recovery device for o-chlorobenzyl chloride distillation. Two heat absorbing covers are installed on the outside of a reaction kettle. The heat absorbing covers are quickly and firmly locked by means of locking inclined blocks. A fan is controlled to recover the heat inside the heat absorbing covers.

[0004] In a first aspect of the present disclosure, a waste heat recovery device for distillation of o-chlorobenzyl chloride is provided, which specifically comprises: a reactor, wherein a first heat absorbing cover and a second heat absorbing cover are installed at the outer position of the reactor, a first positioning bar of a rectangular structure is respectively provided on both sides of the first heat absorbing cover, a stabilizing block is installed at the middle position of the first positioning bar, a filter screen and a group of dust removal mechanisms are installed above the first heat absorbing cover and the second heat absorbing cover, the dust removal mechanism is composed of an electric motor and a cleaning plate, the first heat absorbing cover comprises a first stabilizing plate and a first positioning bar, the first heat absorbing cover is provided with a first stabilizing plate at the bottom position, a fan is installed at the upper position of the first stabilizing plate, the second heat absorbing cover comprises a second stabilizing plate and a second positioning bar, the second heat absorbing cover is provided with a second stabilizing plate at the bottom position, a positioning rod is installed at the outer position of the second positioning bar, and a heat storage tank is installed at the upper position of the second stabilizing plate.

[0005] Furthermore, the positioning rod includes a locking bevel block, and the second heat absorption cover is provided with a second positioning strip of a rectangular structure on both sides respectively, and the second positioning strip is provided with a stabilizing sleeve on the basis of the outer side surface, and the positioning rod passes through the interior of the stabilizing sleeve, and the positioning rod is provided with a locking bevel block at the bottom position, and the side surface of the locking bevel block is in contact with the second positioning strip, and a supporting spring is installed on the outside of the positioning rod.

[0006] Furthermore, a triangular-structured slot is provided on one side of the stabilizing block, the slot corresponds to the bottom of the locking bevel block, and the bottom of the locking bevel block extends to the inside of the slot.

[0007] Furthermore, the first stabilizing plate and the second stabilizing plate are respectively provided with three rollers distributed in a triangle at the bottom.

[0008] Furthermore, the first heat absorbing cover and the second heat absorbing cover are respectively provided with a group of heat absorbing plates with a spiral structure on the inner side, and the heat absorbing plates of the first heat absorbing cover and the second heat absorbing cover are respectively in contact with the outer wall of the reactor.

[0009] Furthermore, the first heat absorbing cover and the second heat absorbing cover are respectively provided with an arc structure guide plate at the upper position and the bottom position, and the filter is installed on the inner side of the guide plate at the upper position.

[0010] Furthermore, a mounting plate is provided on the upper part of the outer side of the first heat absorption cover, the electric motor is installed above the mounting plate, an L-shaped cleaning plate is installed at the end of the driving shaft of the electric motor, and the cleaning plate is slightly in contact with the outer side of the filter.

[0011] The utility model provides a device for recovering residual heat from distillation of o-chlorobenzyl chloride, which has the following beneficial effects:

[0012] Two assembled heat absorbing covers are set on the outside of the reactor to absorb the residual heat of the reactor. The heat absorbing covers are provided with spiral drainage grooves on the inside to drain the heat evenly. The specific beneficial effects of the heat absorbing covers are as follows:

[0013] Rollers are provided to facilitate the movement of the heat absorbing cover, and locking inclined blocks and stabilizing blocks are provided to achieve the effect of rapid and stable assembly of the heat absorbing cover. The heat absorbing cover has the advantages of simple structure and convenient assembly.

[0014] A filter is provided to block dust in the air and prevent dust from entering the interior of the heat absorbing cover, and a cleaning plate driven by an electric motor is provided to automatically clean the filter.

[0015] A fan is provided to transport the waste heat of the reactor to the internal storage of the heat storage tank, so as to realize the effect of convenient recovery of the waste heat of the distillation of o-chlorobenzyl chloride in the reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 The schematic diagram of the axial structure of the reactor and the heat absorbing cover after assembly of the present application is shown;

[0020] Figure 2 This application shows Figure 1 A schematic diagram of the axle side structure from a rear perspective;

[0021] Figure 3The axial schematic diagram of the reactor and heat absorbing cover split structure of the present application is shown;

[0022] Figure 4 It shows a schematic diagram of the axial structure of the first heat absorbing cover and the stabilizing block of the present application;

[0023] Figure 5 An axial schematic diagram of the cross-section structure of the second positioning strip and the locking bevel block of the present application is shown;

[0024] Figure 6 It shows a schematic diagram of the first heat absorbing cover and the dust removal mechanism of the present application from the perspective of the axial side of the head;

[0025] Figure 7 This application shows Figure 3 A schematic diagram of the axle side structure from an upward angle;

[0026] Figure 8 This application shows Figure 5 A is an enlarged structural diagram of FIG.

[0027] Reference numerals list

[0028] 1. Reactor;

[0029] 2. first heat absorbing cover; 201. first stabilizing plate; 202. first positioning strip;

[0030] 3. Second heat absorbing cover; 301. Second stabilizing plate; 302. Second positioning strip;

[0031] 4. Positioning rod; 401. Locking bevel block;

[0032] 5. Stabilizing block;

[0033] 6. Filter;

[0034] 7. Dust removal mechanism; 701. Electric motor; 702. Cleaning plate;

[0035] 8. Fan;

[0036] 9. Heat storage tank. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] Example 1: Please refer to Figures 1 to 8 :

[0039] The utility model proposes a waste heat recovery device for the distillation of o-chlorobenzyl chloride, comprising: a reactor 1, a first heat absorbing cover 2 and a second heat absorbing cover 3 are installed at the outer position of the reactor 1, the first heat absorbing cover 2 is respectively provided with a first positioning bar 202 of a rectangular structure on both sides, a first stabilizing plate 201 and a second stabilizing plate 301 are respectively provided with three rollers distributed in a triangular shape at the bottom position, the rollers facilitate the movement of the first heat absorbing cover 2 and the second heat absorbing cover 3, and the rollers distributed in a triangular shape stabilize the first heat absorbing cover 2 and the second heat absorbing cover 3, the first heat absorbing cover 2 and the second heat absorbing cover 3 are respectively provided with a group of heat absorbing plates with a spiral structure on the inner side, and the first heat absorbing cover 2 and the second heat absorbing cover 3 will form a heat absorbing plate on the inner side of the heat absorbing plate after being combined. The spiral drainage grooves are interconnected. After the airflow flows inside the drainage grooves, it can fully take away the heat, so as to realize the convenient effect of recovering the residual heat of the distillation of o-chlorobenzyl chloride in the reactor 1. The heat absorbing plates of the first heat absorbing cover 2 and the second heat absorbing cover 3 are in contact with the outer wall of the reactor 1 respectively, and the heat absorbing plates absorb the heat inside the reactor 1. A stabilizing block 5 is installed in the middle position of the first positioning bar 202. A triangular-structured slot is provided on one side of the stabilizing block 5. The slot corresponds to the bottom of the locking inclined block 401. The bottom of the locking inclined block 401 extends to the inside of the slot. The locking inclined block 401 realizes the effect of locking the position of the stabilizing block 5. After the stabilizing block 5 is locked, the first heat absorbing cover 2 and the second heat absorbing cover 3 are firmly docked.

[0040] In the embodiments of the present disclosure, reference Figures 1 to 8 As shown, a filter screen 6 and a group of dust removal mechanisms 7 are installed above the first heat absorption cover 2 and the second heat absorption cover 3. The dust removal mechanism 7 is composed of an electric motor 701 and a cleaning plate 702. The first heat absorption cover 2 includes a first stabilizing plate 201 and a first positioning bar 202. The first heat absorption cover 2 is provided with a first stabilizing plate 201 at the bottom position. A fan 8 is installed at the upper position of the first stabilizing plate 201. The first heat absorption cover 2 and the second heat absorption cover 3 are respectively provided with an arc structure drainage plate at the upper position and the bottom position. The drainage plates of the first heat absorption cover 2 and the second heat absorption cover 3 form a drainage sleeve after being merged. The air enters the interior of the first heat absorption cover 2 and the second heat absorption cover 3 through the drainage sleeve placed on the upper side for heating. The heated air enters the interior of the fan 8 with the help of the drainage sleeve below. The fan 8 transports the waste heat of the reactor 1 to the internal storage of the heat storage tank 9. The filter screen 6 is installed on the inner side of the drainage plate at the upper position. The filter screen 6 blocks dust in the air to prevent dust from entering the interior of the first heat absorption cover 2 and the second heat absorption cover 3.

[0041] In the embodiments of the present disclosure, reference Figures 1 to 8As shown, the second heat absorption cover 3 includes a second stabilizing plate 301 and a second positioning strip 302. The second heat absorption cover 3 is provided with a second stabilizing plate 301 at the bottom position, and a positioning rod 4 is installed at the outer position of the second positioning strip 302. The positioning rod 4 includes a locking bevel 401. The second heat absorption cover 3 is provided with a second positioning strip 302 of a rectangular structure on both sides. The second positioning strip 302 is provided with a stabilizing sleeve on the basis of the outer side surface. The positioning rod 4 passes through the inside of the stabilizing sleeve. The stabilizing sleeve realizes the effect of lateral stabilization of the positioning rod 4. The positioning rod 4 is provided with a locking bevel 401 at the bottom position. The side surface of the locking bevel 401 contacts the second positioning strip 302. At this time, the locking bevel 401 is circumferentially positioned by the second positioning strip 302. The positioning rod 4 and the locking bevel 401 move up and down stably. A supporting spring is installed on the outer side of the positioning rod 4. The supporting spring elastically presses the locking bevel 401.

[0042] In the embodiments of the present disclosure, reference Figures 1 to 8 As shown, a mounting plate is provided at the upper position of the outer side of the first heat absorbing cover 2, and an electric motor 701 is installed above the mounting plate. The mounting plate supports and stabilizes the mounting position of the electric motor 701. An L-shaped cleaning plate 702 is installed at the end of the driving shaft of the electric motor 701. The electric motor 701 drives the cleaning plate 702 to rotate. The cleaning plate 702 is slightly in contact with the outer side of the filter 6. The cleaning plate 702 can wipe off the dust adhering to the outer side of the filter 6 when rotating, so that the filter 6 can be better ventilated. The electric motor 701 is set to rotate at a slow speed. The size and model of the electric motor 701 are selected according to needs. A heat storage tank 9 is installed at the upper position of the second stabilizing plate 301. The heat storage tank 9 recovers and stores the waste heat of the distillation of o-chlorobenzyl chloride, and the interior of the heat storage tank 9 adopts the current insulation structure;

[0043] In the embodiments of the present disclosure, reference Figures 1 to 8 As shown, the first heat absorbing cover 2, the second heat absorbing cover 3, the locking inclined block 401, the stabilizing block 5, the filter screen 6, the dust removal mechanism 7, the electric motor 701 and the cleaning plate 702, the fan 8, and the heat storage tank 9 cooperate with each other to form a waste heat recovery device for the distillation of o-chlorobenzyl chloride.

[0044] Embodiment 2, based on embodiment 1, refers to Figures 1 to 8 As shown, it is necessary to install a drainage pipe between the drainage sleeves at the bottom of the first heat absorption cover 2 and the second heat absorption cover 3 and the fan 8, and install a drainage pipe between the fan 8 and the heat storage tank 9, so that the first heat absorption cover 2, the second heat absorption cover 3, the fan 8, and the heat storage tank 9 are interconnected.

[0045] The working principle of this embodiment:

[0046] When installing the first heat absorption cover 2 and the second heat absorption cover 3, first move the first heat absorption cover 2 and the second heat absorption cover 3 to the outside of the reaction kettle 1 with the help of the rollers, so that the locking inclined block 401 locks the stabilizing block 5, and the assembly of the first heat absorption cover 2 and the second heat absorption cover 3 is completed;

[0047] The fan 8 is installed on the top of the first stabilizing plate 201, the heat storage tank 9 is installed on the top of the second stabilizing plate 301, the filter 6 is installed firmly inside the upper drainage sleeve, and the electric motor 701 is installed firmly on the top of the first heat absorption cover 2, thereby completing the assembly of the recovery device;

[0048] When the waste heat of the reactor 1 is recovered, the fan 8 is controlled to pump the air. At this time, the air enters the first heat absorption cover 2 and the second heat absorption cover 3 through the upper drainage sleeve for heating. The heated air enters the inside of the fan 8 with the help of the lower drainage sleeve. The fan 8 transports the waste heat of the reactor 1 to the inside of the heat storage tank 9 for storage, completing the waste heat recovery step.

[0049] In this article, there are a few points to note:

[0050] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0051] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0052] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A device for recovering residual heat from distillation of o-chlorobenzyl chloride, comprising: A reaction kettle (1), a first heat absorbing cover (2) and a heat storage tank (9); characterized in that the first heat absorbing cover (2) comprises: a first stabilizing plate (201) and a first positioning bar (202); The reactor (1) is provided with a first heat absorbing cover (2) and a second heat absorbing cover (3) at the outer side, the first heat absorbing cover (2) is provided with a first positioning bar (202) of a rectangular structure on both sides, a stabilizing block (5) is installed in the middle of the first positioning bar (202), a filter screen (6) and a group of dust removal mechanisms (7) are installed above the first heat absorbing cover (2) and the second heat absorbing cover (3), and the dust removal mechanism (7) is composed of an electric motor (701) and a cleaning plate (702); The first heat absorbing cover (2) is provided with a first stabilizing plate (201) at the bottom, and a fan (8) is installed at the upper position of the first stabilizing plate (201); the second heat absorbing cover (3) comprises a second stabilizing plate (301) and a second positioning bar (302); the second heat absorbing cover (3) is provided with a second stabilizing plate (301) at the bottom, and a positioning rod (4) is installed at the outer position of the second positioning bar (302); and a heat storage tank (9) is installed at the upper position of the second stabilizing plate (301).

2. The device for recovering waste heat from distillation of o-chlorobenzyl chloride according to claim 1, characterized in that: The positioning rod (4) comprises a locking bevel (401), and the second heat absorbing cover (3) is provided with a second positioning strip (302) on both sides respectively; the second positioning strip (302) is provided with a stabilizing sleeve on the basis of the outer side surface; the positioning rod (4) passes through the interior of the stabilizing sleeve; the positioning rod (4) is provided with a locking bevel (401) at the bottom position; the side surface of the locking bevel (401) is in contact with the second positioning strip (302); and a supporting spring is installed on the outer side of the positioning rod (4).

3. The device for recovering waste heat from distillation of o-chlorobenzyl chloride according to claim 1, characterized in that: The stabilizing block (5) has a slot on one side, the slot corresponds to the bottom of the locking bevel block (401), and the bottom of the locking bevel block (401) extends to the inside of the slot.

4. The device for recovering waste heat from distillation of o-chlorobenzyl chloride according to claim 1, characterized in that: The first stabilizing plate (201) and the second stabilizing plate (301) are respectively provided with three rollers at the bottom.

5. The device for recovering waste heat from distillation of o-chlorobenzyl chloride according to claim 1, characterized in that: The first heat absorbing cover (2) and the second heat absorbing cover (3) are respectively provided with a group of heat absorbing plates with a spiral structure on the inner side, and the heat absorbing plates of the first heat absorbing cover (2) and the second heat absorbing cover (3) are respectively in contact with the outer wall of the reaction kettle (1).

6. The device for recovering waste heat from distillation of o-chlorobenzyl chloride according to claim 1, characterized in that: The first heat absorbing cover (2) and the second heat absorbing cover (3) are provided with an arc structured flow guide plate at the upper position and the bottom position respectively, and the filter screen (6) is installed on the inner side of the flow guide plate at the upper position.

7. The device for recovering waste heat from distillation of o-chlorobenzyl chloride according to claim 1, characterized in that: The first heat absorbing cover (2) is provided with a mounting plate at an upper position of the outer side surface, the electric motor (701) is mounted above the mounting plate, a cleaning plate (702) is mounted at the end of the driving shaft of the electric motor (701), and the cleaning plate (702) is in slight contact with the outer side of the filter screen (6).