CN218723340U - Heat recovery unit for chemical production - Google Patents

Abstract

The utility model discloses a heat recovery unit for chemical production belongs to chemical industry equipment technical field, including the work piece with set up at its outside inner tray and inner cover section of thick bamboo, inner tray and inner cover section of thick bamboo outside are equipped with outer tray and outer cover section of thick bamboo, are equipped with excircle insulating layer and terminal surface insulating layer in the intermediate layer between inner tray and inner cover section of thick bamboo and outer tray and the outer cover section of thick bamboo, the utility model discloses rational in infrastructure, the heat absorption of waste gas is realized through the fin and the copper pipe of work piece, and the outside excircle insulating layer and the terminal surface insulating layer of work piece have played heat retaining effect, avoid the too quick giving off of heat around the fin, the fin that the annular array distributes is higher more to the density of inside fin, and this characteristic can make the device reach the high function of heat absorption efficiency, if the heat of waste gas is not enough still can realize stable heat output through the mode of electric heat bar auxiliary heating, has solved the chemical production on the existing market and has absorbed the problem that heat recovery unit heat energy absorption efficiency is not high and heat supply is unstable.

Description

Heat recovery unit for chemical production

Technical Field

The utility model belongs to the technical field of chemical industry equipment, concretely relates to heat recovery unit for chemical production.

Background

Chemical engineering is the abbreviation of "chemical process", "chemical industry" and "chemical engineering", and all techniques of changing the composition, structure or synthesizing new substances by chemical methods belong to chemical production techniques, i.e. chemical processes, the obtained products are called chemicals or chemical products, and chemical engineering is a science for researching the general regularity of the production process of chemical products.

Can produce a large amount of waste gases in the chemical production process, and contain a large amount of heats in these waste gases and can recycle, the heat recovery unit for the chemical production on the existing market does not possess the function that absorption efficiency is high, and thermal absorption efficiency is lower, causes the waste of heat energy in the waste gas more, is unfavorable for the sustainable use of resource.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat recovery unit for chemical production, fin and copper pipe through the working part realize the heat absorption of waste gas, the outside excircle insulating layer of working part and terminal surface insulating layer have played heat retaining effect, avoid the heat too quick giveaway around the fin, the fin that the annular array distributes is higher more to the density of inside fin, this characteristic can make the device reach the function that the heat absorption efficiency is high, if the heat of waste gas is not enough still can realize stable heat output through the mode of electrical bar auxiliary heating, the problem of proposition in order to solve above-mentioned background art with the heat recovery unit heat energy absorption efficiency that the chemical production is not high on the current market and the heat supply is unstable problem has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat recovery unit for chemical production, includes the working part and sets up at its outside inner tray and inner cover section of thick bamboo, inner tray and inner cover section of thick bamboo outside are equipped with outer tray and outer cover section of thick bamboo, be equipped with excircle insulating layer and terminal surface insulating layer in the intermediate layer between inner tray and inner cover section of thick bamboo and outer tray and the outer cover section of thick bamboo, the terminal surface insulating layer is equipped with two and is located inside excircle insulating layer both ends respectively, inner tray, inner cover section of thick bamboo, terminal surface insulating layer, outer tray and outer cover section of thick bamboo are all run through by the inner tube of built-in electric rod, the working part includes the fin that the annular array distributes, the inside copper pipe that is equipped with of fin, the copper pipe lower extreme is the water inlet, the copper pipe upper end is the delivery port, the upper end and the lower extreme of fin all open the piece mouth, be equipped with the intake pipe that a plurality of annular array distributes in the inner tray, the centre of a circle department of inner tray opens has the inner tray mouth of pipe, the edge of pipe mouth of inner cover section of thick bamboo is equipped with the outlet pipe that the annular array distributes, the axial lead department of a section of thick bamboo has the inner cover mouth of thick bamboo, it has the inner tube to open the mouth of pipe to open in the inner tube mouth of pipe.

Preferably, the end face heat insulation layer is internally provided with layer first openings distributed in an annular array, the circle center of the end face heat insulation layer is provided with a layer second opening, the end face heat insulation layer is also internally provided with layer pipe holes, and the layer pipe holes correspond to the adjacent water inlet and water outlet positions.

Preferably, the outer tray is internally provided with outer tray first openings distributed in an annular array, the circle center of the outer tray is provided with an outer tray second opening, the outer tray is also internally provided with outer tray pipe holes, the upper end of the outer cover cylinder is provided with outer cylinder first openings distributed in an annular array, the axial lead of the outer cover cylinder is provided with an outer cylinder second opening, and the outer cover cylinder adjacent to the outer cylinder second opening is internally provided with outer cylinder pipe holes.

Preferably, the end part of the inner tube is positioned in the inner disc core opening, the inner cylinder core opening, the layer second opening, the outer disc second opening and the outer cylinder second opening, the middle part of the inner tube is positioned at the axial lead of the cylindrical structure formed by the fins, and the inner tube is welded with the fins.

Preferably, the air inlet pipe and the air outlet pipe are positioned in the first openings of the adjacent layers, the water inlet is positioned in the pipe orifice of the inner disk, the pipe orifice of the layer and the pipe orifice of the outer disk which are adjacent to the water inlet, and the water outlet is positioned in the pipe orifice of the inner cylinder, the pipe orifice of the layer and the pipe orifice of the outer cylinder which are adjacent to the water outlet.

Preferably, the joint of the fin and the copper tube is subjected to reflow soldering treatment.

The utility model discloses a technological effect and advantage:

1. the utility model discloses it is rational in infrastructure, fin and copper pipe through the working part realize the heat absorption of waste gas, the outside excircle insulating layer of working part and terminal surface insulating layer have played heat retaining effect, avoid the too quick giving off of heat around the fin, the fin that the ring array distributes is higher more to the density of inside fin, this characteristic can make the device reach the efficient function of heat absorption, if the heat of waste gas is not enough still can realize stable heat output through the mode of electric heat bar auxiliary heating, the problem of heat recovery device heat energy absorption efficiency and heat supply unstability for the chemical production on the current market has been solved, avoid causing the heat waste in the waste gas, be unfavorable for resource sustainable use's problem.

2. The fin absorbs heat by contacting with hot air, the heat of the fin is directly transmitted to the heat-conducting medium in the copper pipe, the higher the density of the central fin of the working part, the higher the temperature, the characteristic is favorable for improving the temperature of the heat-conducting medium output by the water outlet, thereby realizing the improvement of heat absorption efficiency, the density of the outer fin and the copper pipe is lower, the temperature of the heat-conducting medium led in by the water inlet is lower, the heat of waste gas in the working part can contact with the cooler fin and the copper pipe to finish heat transmission before being emitted to the outside, and further reducing the heat energy consumption.

Drawings

Fig. 1 is a structural schematic diagram of the cutting state of the embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a working component according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an inner tray according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an inner casing according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an end face heat insulation layer according to an embodiment of the present invention;

fig. 6 is a schematic structural view of an outer tray according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an outer cover cylinder according to an embodiment of the present invention.

In the figure: 100. a working member; 1. a fin; 101. slice opening; 2. a copper pipe; 201. a water inlet; 202. a water outlet; 3. an inner tray; 301. an air inlet pipe; 302. an inner disc center opening; 303. the inner disc pipe orifice; 4. an inner shroud; 401. an air outlet pipe; 402. a core opening of the inner cylinder; 403. the opening of the inner cylinder; 5. an inner tube; 6. an electric heating rod; 7. an outer circle heat insulation layer; 8. an end face heat insulation layer; 801. a layer first opening; 802. a layer second opening; 803. layer pipe holes; 9. an outer tray; 901. an outer disc first opening; 902. an outer disc second opening; 903. an outer coil tube hole; 10. an outer housing tube; 1001. an outer barrel first opening; 1002. an outer barrel second opening; 1003. and (4) outer cylinder pipe holes.

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.

Example (b): please refer to fig. 1-7, which illustrate a heat recovery device for chemical production, comprising a working component 100, and an inner tray 3 and an inner cover tube 4 disposed outside the working component, wherein the inner tray 3 and the inner cover tube 4 are externally provided with an outer tray 9 and an outer cover tube 10, an outer heat insulating layer 7 and an end heat insulating layer 8 are disposed in an interlayer between the inner tray 3 and the inner cover tube 4 and between the outer tray 9 and the outer cover tube 10, the end heat insulating layers 8 are disposed inside two ends of the outer heat insulating layer 7, the inner tray 3, the inner cover tube 4, the end heat insulating layer 8, the outer tray 9 and the outer cover tube 10 are all penetrated by an inner tube 5 with a built-in glow stick 6, the inner tray 3, the inner cover tube 4, the outer tray 9 and the outer cover tube 10 are preferably made of stainless steel, the outer heat insulating layer 7 and the end heat insulating layer 8 are made of heat insulating cotton or other material with good heat insulating ability, a joint of the inner tray 3 and the inner cover tube 4 is welded, and a joint of the outer tray 9 and the outer cover tube 10 is welded.

As a preferred implementation manner in this embodiment, referring to fig. 2, fig. 3 and fig. 4, the working component 100 includes fins 1 distributed in an annular array, the profile of the fins 1 is determined according to requirements, copper pipes 2 are disposed inside the fins 1, the density of the copper pipes 2 can be increased or decreased as needed, the arrangement manner of the copper pipes 2 is that in the prior art, details are not described herein, a reflow soldering process is performed at a joint of the fins 1 and the copper pipes 2, which is advantageous for improving heat conduction efficiency, a water inlet 201 is disposed at the lower end of the copper pipes 2 and is used for introducing cold water, a water outlet 202 is disposed at the upper end of the copper pipes 2 and is used for discharging hot water, a heat conducting medium inside the copper pipes 2 is water or other heat conducting media with fluidity, a heat recovery water path associated with the copper pipes 2 is the prior art, sheet openings 101 are disposed at both the upper end and the lower end of the fins 1, the sheet openings 101 are used for passing through high-temperature waste gas, a plurality of gas inlet pipes 301 distributed in an annular array are disposed in the inner tray 3, the gas inlet pipe 301 is used for introducing high-temperature waste gas through auxiliary pipes, an inner cover pipe opening 302 is disposed at the center of the inner tray 3, an inner cover pipe opening 403 is disposed at the edge of an inner cover 4, and an inner cover 4 is disposed at the inner cover 4, and an inner cover outlet pipe opening 401 is disposed at the outer side of the inner cover 4 and is disposed at the inner cover 4.

In this embodiment, referring to fig. 5, 6 and 7, a first opening 801 distributed in an annular array is formed in the end surface heat insulation layer 8, a second opening 802 is formed in the center of the end surface heat insulation layer 8, a pipe hole 803 is further formed in the end surface heat insulation layer 8, the pipe hole 803 corresponds to the adjacent water inlet 201 and water outlet 202, a first outer disc opening 901 distributed in an annular array is formed in the outer tray 9, a second outer disc opening 902 is formed in the center of the outer tray 9, a pipe hole 903 is further formed in the outer tray 9, a first outer cylinder opening 1001 distributed in an annular array is formed in the upper end of the outer cover cylinder 10, a second outer cylinder opening 1002 is formed in the axial line of the outer cover cylinder 10, a pipe hole 1003 is formed in the outer cover cylinder 10 adjacent to the second outer cylinder opening 1002, the inner tray 3, the inner cover cylinder 4, the outer cover cylinder 9 and the outer cover cylinder 10 are all used for protecting internal components thereof, the inner tray 3 and the inner cover cylinder 4 are used for protecting the working component 100 of the inner cover cylinder, and the outer tray 9 and the outer cover cylinder 10 are used for protecting internal components of the end surface heat insulation layer 8 and the outer cover cylinder 7.

As an implementation manner in this embodiment, referring to fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the end portion of the inner tube 5 is located inside the inner disk core opening 302, the inner cylinder core opening 402, the layer second opening 802, the outer disk second opening 902 and the outer cylinder second opening 1002, the water inlet 201 is located inside the adjacent inner disk tube opening 303, the layer tube hole 803 and the outer disk tube hole 903, the water outlet 202 is located inside the adjacent inner cylinder tube opening 403, the layer tube hole 803 and the outer cylinder tube hole 1003, the middle portion of the inner tube 5 is located at the axial line of the cylindrical structure formed by the fins 1, the inner tube 5 is welded to the fins 1, the air inlet tube 301 and the air outlet tube 401 are located inside the adjacent layer first opening 801, and the inner tray 3, the inner cylinder 4, the end face heat insulating layer 8, the outer tray 9 and the outer cover cylinder 10 are all provided with openings for passing through waste water and waste gas.

This practical theory of operation:

according to the heat energy recovery device for chemical production, heat is led in from the air inlet pipe 301 and led out from the air outlet pipe 401, the heat can be filled in the space outside the working part 100, high-temperature waste gas can pass through the sheet opening 101 to be retained between the fins 1, and the heat of the waste gas can be absorbed by the fins 1 and is conducted into a heat-conducting medium in the copper pipe 2 through the fins 1;

the inner tray 3 and the inner cover cylinder 4 outside the working component 100 play a role of protecting the working component 100, the outer circle heat-insulating layer 7 and the end face heat-insulating layer 8 for keeping the temperature of the inner tray 3 and the inner cover cylinder 4 are arranged outside the inner tray 3 and the inner cover cylinder 4, the outer tray 9 and the outer cover cylinder 10 playing a role of protecting are arranged outside the outer circle heat-insulating layer 7 and the end face heat-insulating layer 8, and if the temperature of waste gas is insufficient, the waste gas can be heated by the aid of the electric heating rod 6;

the density of the outer side fins 1 is lower, the density of the inner side fins 1 is higher, the temperature of the fins 1 and the copper pipes 2 adjacent to the water outlet 202 is higher, the temperature of the outer side fins 1 and the temperature of the copper pipes 2 are lower, the heat conducting medium which is just led into the water inlet 201 can be heated, and the copper pipes 2 and the fins 1 and the adjacent heat conducting medium have lower temperature difference, so that the heat efficiency is improved.

Above, only be the embodiment of the preferred of the utility model, but the scope of protection of the utility model is not limited to this, and any person skilled in the art should be covered within the scope of protection of the utility model in the technical scope disclosed by the utility model, according to the technical scheme of the utility model and the design of the utility model, equivalent replacement or change.

Claims (6)

1. The utility model provides a heat recovery unit for chemical production, includes work piece (100) and sets up at its outside inner tray (3) and inner cover cylinder (4), inner tray (3) are equipped with outer tray (9) and outer cover cylinder (10), its characterized in that with inner cover cylinder (4) outside: an outer circle heat-insulating layer (7) and an end face heat-insulating layer (8) are arranged in an interlayer between the inner tray (3) and the inner cover cylinder (4) and between the outer tray (9) and the outer cover cylinder (10), the end face heat insulation layer (8) is provided with two end inner parts which are respectively positioned at the outer circle heat insulation layer (7), the inner tray (3), the inner cover cylinder (4), the end face heat insulation layer (8), the outer tray (9) and the outer cover cylinder (10) are all penetrated by an inner pipe (5) with a built-in electric heating rod (6), the working part (100) comprises fins (1) distributed in an annular array, a copper pipe (2) is arranged in the fin (1), a water inlet (201) is arranged at the lower end of the copper pipe (2), the upper end of the copper pipe (2) is provided with a water outlet (202), the upper end and the lower end of the fin (1) are both provided with a sheet opening (101), a plurality of air inlet pipes (301) distributed in an annular array are arranged in the inner tray (3), an inner disc center opening (302) is arranged at the center of the inner tray (3), the edge of the inner tray (3) is provided with an inner tray pipe orifice (303), the upper end of the inner cover cylinder (4) is provided with air outlet pipes (401) distributed in an annular array, an inner cylinder core opening (402) is arranged at the axial lead of the inner cylinder (4), an inner cylinder pipe orifice (403) is formed in the inner cover cylinder (4) on the outer side of the inner cylinder core orifice (402).

2. The heat energy recovery device for chemical production according to claim 1, characterized in that: the water inlet and water outlet heat-insulating plate is characterized in that layer first openings (801) distributed in an annular array are formed in the end face heat-insulating layer (8), a layer second opening (802) is formed in the circle center of the end face heat-insulating layer (8), layer pipe holes (803) are further formed in the end face heat-insulating layer (8), and the layer pipe holes (803) correspond to the positions of the water inlet (201) and the water outlet (202) which are adjacent to the layer pipe holes.

3. The heat energy recovery device for chemical production according to claim 2, characterized in that: the outer tray is characterized in that outer tray first openings (901) distributed in an annular array are formed in the outer tray (9), outer tray second openings (902) are formed in the circle center of the outer tray (9), outer tray pipe holes (903) are further formed in the outer tray (9), outer barrel first openings (1001) distributed in an annular array are formed in the upper end of an outer barrel (10), outer barrel second openings (1002) are formed in the axial lead of the outer barrel (10), and outer barrel pipe holes (1003) are formed in outer barrels (10) adjacent to the outer barrel second openings (1002).

4. The heat energy recovery device for chemical production according to claim 3, characterized in that: the end part of the inner pipe (5) is positioned in the inner disc core opening (302), the inner cylinder core opening (402), the layer second opening (802), the outer disc second opening (902) and the outer cylinder second opening (1002), the middle part of the inner pipe (5) is positioned at the axial lead of a cylindrical structure formed by the fins (1), and the inner pipe (5) is welded with the fins (1).

5. The heat energy recovery device for chemical production according to claim 4, characterized in that: the air inlet pipe (301) and the air outlet pipe (401) are located inside the adjacent layer first opening (801), the water inlet (201) is located inside the adjacent inner coil pipe opening (303), layer pipe hole (803) and outer coil pipe hole (903), and the water outlet (202) is located inside the adjacent inner cylinder pipe opening (403), layer pipe hole (803) and outer cylinder pipe hole (1003).

6. The heat energy recovery device for chemical production according to claim 1, characterized in that: and the joint of the fin (1) and the copper tube (2) is subjected to reflow soldering treatment.

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