CN113198409B - Preparation method and production equipment of ultralow-temperature mixed refrigerant - Google Patents

Preparation method and production equipment of ultralow-temperature mixed refrigerant Download PDF

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Publication number
CN113198409B
CN113198409B CN202110495230.XA CN202110495230A CN113198409B CN 113198409 B CN113198409 B CN 113198409B CN 202110495230 A CN202110495230 A CN 202110495230A CN 113198409 B CN113198409 B CN 113198409B
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Prior art keywords
pipe
heat exchange
tower body
rotating rod
heat
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CN113198409A (en
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王帅
李文栋
文立孝
李荣高
李锐
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Anhui Zhongke Duling Commercial Electrical Appliance Co ltd
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Anhui Zhongke Duling Commercial Electrical Appliance Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0066—Stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0073—Sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a preparation method of an ultralow temperature mixed refrigerant and production equipment thereof, relating to the technical field of refrigerant production and comprising a tower body; the plurality of material distributing pipes are linearly distributed on the tower body; the rotating rod is rotatably arranged on the tower body, and one end of the rotating rod extends into the tower body; the connecting rods are arranged at one end of the rotating rod, which extends out of the tower body; the plurality of groups of second heat exchange assemblies are arranged on the rotating rod; the multiple groups of first heat exchange assemblies are arranged on the circumferential wall of the tower body, and the multiple groups of first heat exchange assemblies and the multiple material distributing pipes are distributed in a staggered manner; the first heat exchange assembly comprises a plurality of positioning holes which are annularly distributed on the tower body, and each positioning hole is provided with a sealing cover; the first heat conduction boxes are arranged on the inner wall of the tower body; the at least two groups of circulation assemblies are respectively arranged on the sealing covers at two sides of the central axis of the tower body; the invention has the advantages of convenient use, improved heat exchange efficiency and the like.

Description

Preparation method and production equipment of ultralow-temperature mixed refrigerant
Technical Field
The invention relates to the technical field of refrigerant production, in particular to a preparation method of an ultralow-temperature mixed refrigerant and production equipment thereof.
Background
Refrigerant, also called refrigerant and snow, is a medium substance for completing energy conversion in various heat engines; these substances generally increase power with a reversible phase change. Such as steam in a steam engine, snow in a refrigerator, etc. When a general steam engine works, the heat energy of the steam is released and converted into mechanical energy to generate motive power; the snow of the refrigerator is used for transmitting the heat at the low temperature to the high temperature; the traditional working media which are common in industry and life are partially halogenated hydrocarbons, but they are gradually eliminated because they cause ozone layer holes. Other working media which have been used in a wide variety of applications are ammonia, sulfur dioxide and non-halogenated hydrocarbons.
The refrigerant needs to exchange heat in the production and manufacturing process, the existing refrigerant mixing reaction tower mainly exchanges heat with substances in the mixing reaction tower through the medium in the interlayer by arranging the interlayer on the side wall of the mixing reaction tower, so that the temperature change is realized, but the heat exchange mode has low efficiency, and the main reason is that the indirect contact area between the substances in the mixing reaction tower and the medium is small, the heat exchange amount is limited, and the requirement of large-scale production cannot be met.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a preparation method of an ultralow temperature mixed refrigerant and production equipment thereof, so as to solve the problem of low heat exchange efficiency in the use process of a mixed reaction tower for producing the refrigerant in the prior art described in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an ultra-low temperature mixed refrigerant production equipment comprises
The tower body is provided with a support frame on the outer wall;
the plurality of material distributing pipes are linearly distributed on the tower body;
the rotating rod is rotatably arranged on the tower body, and one end of the rotating rod extends into the tower body;
the connecting rods are arranged at one end of the rotating rod, which extends out of the tower body;
the servo motor is arranged on the support frame, and the connecting rod is connected with the output end of the servo motor;
the second heat exchange assemblies are arranged on the rotating rod, and can realize heat exchange and stirring of substances in the tower body in the reciprocating rotation process of the second heat exchange assemblies along with the rotating rod; and
the multiple groups of first heat exchange assemblies are arranged on the circumferential wall of the tower body, and the multiple groups of first heat exchange assemblies and the multiple material distributing pipes are distributed in a staggered manner;
the first heat exchange assembly comprises
A plurality of positioning holes which are annularly distributed on the tower body, and each positioning hole is provided with a sealing cover;
the first heat conduction boxes are arranged on the inner wall of the tower body, and the opening ends of the first heat conduction boxes are opposite to the positioning holes; and
at least two groups of circulation components are respectively arranged on the sealing covers at two sides of the central axis of the tower body;
the flow-through assembly comprises
A plurality of long pipes respectively penetrating through the plurality of sealing covers;
a plurality of short pipes respectively penetrating the plurality of sealing covers;
a plurality of first connecting pipes which are connected with the long pipe and the short pipe on two adjacent sealing covers;
the second feeding pipe is connected to the long pipe which is not connected with the first connecting pipe in the flow-through component; and
and the second discharge pipe is connected to the short pipe which is not connected with the first connecting pipe in the circulation assembly.
Preferably: the first heat exchange assembly further comprises a plurality of first conduits arranged on the first heat conduction box, and the first conduits penetrate through the first heat conduction box.
Preferably: a flow gap is reserved between every two adjacent first heat conduction boxes in the flow component.
Preferably, the following components: the second heat exchange assembly comprises
A third feeding pipe and a third discharging pipe which are respectively arranged on the rotating rod, wherein one end of the third feeding pipe and one end of the third discharging pipe are respectively embedded into the rotating rod and extend out of the tower body; and
one end of each heat exchange tube is connected with the third feeding tube, and the other end of each heat exchange tube is connected with the third discharging tube;
the heat exchange tube comprises
A first exchange tube and a second exchange tube;
the second connecting pipe is communicated with the first exchange pipe and the second exchange pipe;
the first positioning pipe is communicated with the second exchange pipe and the third feeding pipe; and
and the second positioning pipe is communicated with the first exchange pipe and the third discharge pipe.
Preferably: the plurality of heat exchange tubes are staggered with the first heat exchange assembly.
Preferably: the first exchange tube and the second exchange tube are S-shaped.
Preferably: the second heat exchange assembly is annularly distributed on the outer wall of the rotating rod and comprises
The second heat conduction box is arranged on the outer wall of the rotating rod, and notches are respectively arranged on the second heat conduction box corresponding to the positions of the first heat exchange assemblies;
one end of the fourth feeding pipe is embedded in the rotating rod and extends out of the tower body, and the other end of the fourth feeding pipe is connected with the second heat conduction box;
one end of the fourth discharge pipe is embedded in the rotating rod and extends out of the tower body;
the third connecting pipe is communicated with the fourth discharging pipe and the second heat conduction box; and
and the baffles are respectively arranged in the second heat conduction boxes on two sides of the notch, and the baffles are used for separating the second heat conduction boxes on two sides of the notch into a U shape.
Preferably: the second heat conduction box is provided with a plurality of second conduits, and the second conduits penetrate through the second heat conduction box.
A preparation method for preparing a refrigerant by using production equipment of an ultralow-temperature mixed refrigerant comprises the steps of conveying a liquid raw material to a material distribution pipe through a first feeding pipe, opening a valve on the material distribution pipe, uniformly conveying the liquid raw material into a tower body through a plurality of material distribution pipes matched with a gas transmission pump, observing pressure in the tower body through a set pressure gauge, opening the valve on a material discharge pipe when the pressure is greater than a set value, introducing a part of liquid into an absorption bin, closing the material discharge pipe and the valve on the material distribution pipe, driving a rotating rod to rotate in the tower body in a 180-degree reciprocating manner by setting a servo motor, driving a second heat exchange assembly to rotate by the rotating rod, realizing heat exchange when the second heat exchange assembly is used, and realizing stirring in the tower body; and the second inlet pipe can get into heat exchange material, heat exchange material gets into in the first heat exchange box through the long tube, then flow into in the first connecting pipe through the nozzle stub, flow into in the adjacent first heat conduction box again, finally flow out from the second discharging pipe, can carry out the heat exchange with the material in the tower body through the first heat conduction box that sets up, realize the conversion of heat energy, then the valve on the first discharging pipe is opened, the product in the tower body just gets into in the hybrid tube from first discharging pipe, can effectual improvement heat energy conversion's efficiency, the improvement production efficiency.
The beneficial effect of adopting above technical scheme is:
according to the heat exchange tower, the arranged circulation assembly can be used as a first heat conduction box to inject heat exchange media, the first heat conduction box can be embedded to increase the heat exchange area, the heat exchange efficiency is improved, and the flowability in the tower body can be effectively prevented from being greatly influenced by the arranged first guide pipe; the second heat exchange assembly can follow the reciprocating rotation of the rotating rod, so that heat exchange can be realized, stirring can also be realized, and the efficiency of heat exchange is effectively improved.
Drawings
Fig. 1 is a front view of a manufacturing apparatus of an ultra-low temperature mixed type refrigerant according to the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is a cross-sectional view taken at a-a of fig. 1 in accordance with the present invention.
Fig. 4 is a cross-sectional view at B-B of fig. 1 of the present invention.
FIG. 5 is a side view of a second heat exchange assembly of the present invention.
Fig. 6 is a schematic structural diagram of a third embodiment of the present invention.
Figure 7 is a side view of a second heat exchange assembly of the present invention.
Fig. 8 is a schematic view of a portion of fig. 6 in accordance with the present invention.
Wherein: the tower body 100, the material distribution pipe 110, the first material feeding pipe 111, the first material discharging pipe 120, the mixing pipe 121, the pressure gauge 130, the gas transmission pump 140, the material discharging pipe 150, the valve 151, the absorption bin 160, the first heat exchange assembly 200, the positioning hole 210, the sealing cover 211, the first heat conduction box 220, the first guide pipe 230, the circulation assembly 240, the long pipe 241, the short pipe 242, the first connecting pipe 243, the second material feeding pipe 244, the second material discharging pipe 245, the rotating rod 300, the connecting rod 310, the supporting frame 320, the servo motor 330, the second heat exchange assembly 400, the first exchange pipe 410a, the second exchange pipe 420a, the second connecting pipe 430a, the first positioning pipe 440a, the third material feeding pipe 450a, the second positioning pipe 460a, the third material discharging pipe 470a, the first hose 480a, the second heat conduction box 410b, the notch 420b, the baffle 430b, the second guide pipe 440b, the fourth material feeding pipe 450b, the fourth material discharging pipe 460b, the third connecting pipe 470b, And a second hose 480 b.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 8, in the first embodiment, an apparatus for manufacturing an ultra-low temperature mixed type refrigerant includes a tower body 100 having a support frame 320 on an outer wall thereof;
a plurality of material distributing pipes 110 linearly distributed on the tower body 100;
a rotating rod 300 rotatably disposed on the tower body 100, wherein one end of the rotating rod 300 extends into the tower body 100;
a plurality of connecting rods 310, which are disposed on the rotating rod 300 and extend out of one end of the tower body 100;
a servo motor 330 disposed on the supporting frame 320, the connecting rod 310 being connected to an output end of the servo motor 330;
a plurality of sets of second heat exchange assemblies 400 disposed on the rotating rod 300, wherein the second heat exchange assemblies 400 can exchange heat and stir substances in the tower body 100 in the process of reciprocating rotation of the second heat exchange assemblies 400 along with the rotating rod 300; and
a plurality of sets of first heat exchange assemblies 200 disposed on the circumferential wall of the tower body 100, wherein the plurality of sets of first heat exchange assemblies 200 and the plurality of material distribution pipes 110 are distributed in a staggered manner;
the first heat exchange assembly 200 comprises
A plurality of positioning holes 210 annularly distributed on the tower body 100, each positioning hole 210 having a sealing cover 211;
a plurality of first heat conduction boxes 220 disposed on an inner wall of the tower body 100, wherein open ends of the first heat conduction boxes 220 face the positioning holes 210; and
at least two sets of circulation assemblies 240 respectively arranged on the sealing covers 211 at two sides of the central axis of the tower body 100;
the flow-through assembly 240 includes
A plurality of long pipes 241 respectively penetrating the plurality of sealing caps 211;
a plurality of short pipes 242 respectively penetrating the plurality of sealing covers 211;
a plurality of first connecting pipes 243 for connecting the long pipe 241 and the short pipe 242 of two adjacent sealing covers 211;
a second feeding pipe 244 connected to the long pipe 241 of the flow-through module 240 without the first connecting pipe 243; and
a second outlet pipe 245 connected to the short pipe 242 of the flow-through module 240 to which the first connecting pipe 243 is not connected.
The present embodiment is implemented as follows:
when the liquid material distributor is used, the first feeding pipe is used for conveying liquid raw materials to the distributing pipe 110, then the valve on the distributing pipe 110 is opened, the liquid raw materials can be uniformly conveyed into the tower body 100 through the matching of the distributing pipes 110 and the air conveying pump 140, the pressure in the tower body 100 can be observed through the arranged pressure gauge 130, when the pressure is greater than a set value, the valve 151 on the discharging pipe 150 is opened, a part of liquid is introduced into the absorption bin 160, then the discharging pipe 150 and the valve on the distributing pipe 110 are closed, the rotating rod 300 can be driven to rotate in the tower body 100 in a reciprocating mode of 180 degrees through the arrangement of the servo motor 340, the rotating rod 300 can drive the second heat exchange assembly 400 to rotate, and the second heat exchange assembly 400 can realize heat exchange and stirring in the tower body 100 when in use; and the second inlet pipe 244 can get into the heat exchange material, the heat exchange material gets into in the first heat exchange box 220 through long pipe 241, then flow into in the first connecting pipe 243 through short pipe 242, flow into in the adjacent first heat conduction box 220 again, finally flow out from the second discharging pipe 245, can carry out the heat exchange with the material in the tower body 100 through the first heat conduction box 220 that sets up, realize the conversion of heat energy, then the valve on the first discharging pipe 120 is opened, the product in the tower body 100 just gets into in the hybrid tube 121 from first discharging pipe 120, can effectual improvement heat energy conversion's efficiency, improve production efficiency.
As a further optimization scheme of the present embodiment: the first heat exchange assembly 200 further includes a plurality of first conduits 230 disposed on the first heat conduction box 220, wherein the first conduits 230 penetrate the first heat conduction box 220.
According to the optimized scheme, the first conduit 230 can be arranged to increase the heat exchange area and increase the fluidity.
As a further optimization scheme of the present embodiment: a flow-through gap is left between two adjacent first heat-conducting boxes 220 in the flow-through assembly 240.
This optimization scheme, the circulation clearance through setting up can increase mobility and heat exchange area.
Example two
As an optimization of the first embodiment, the second heat exchange assembly comprises
A third feeding pipe 450a and a third discharging pipe 460a respectively disposed on the rotating rod 300, wherein one end of the third feeding pipe 450a and one end of the third discharging pipe 460a are respectively embedded into the rotating rod 300 and extend out of the tower body 100; and
one end of each of the plurality of heat exchange tubes is connected to the third feed pipe 450a, and the other end of each of the plurality of heat exchange tubes is connected to the third discharge pipe 460 a; the heat exchange tube comprises
A first exchange tube 410a, a second exchange tube 420 a;
a second connecting pipe 430a communicating the first exchange pipe 410a and the second exchange pipe 420 a;
a first positioning pipe 440a communicating the second exchanging pipe 420a and the third feeding pipe 450 a; and
the second positioning pipe 460a communicates the first exchanging pipe 410a with the third discharging pipe 470 a.
In this embodiment, the reciprocating rotation of the rotating rod drives the third feeding pipe 450a and the third discharging pipe 470a to rotate, so as to drive the heat exchange pipe to rotate, and the first exchange pipe 410a and the second exchange pipe 420a on the heat exchange pipe move, so as to realize the stirring function;
the first hose 480a connecting the third feed pipe 450a and the third discharge pipe 470a can introduce the heat-exchange material into the third feed pipe 450a while the rotation lever 300a rotates, and can discharge the heat-exchange material from the third discharge pipe 450a, thereby achieving the heat exchange function.
As a further optimization scheme of the present embodiment: the plurality of heat exchange tubes are staggered in position with the first heat exchange assembly 200.
This optimization scheme through with the heat exchange tube with first heat exchange assembly 200 position crisscross, can effectual improvement stir and the efficiency of heat exchange.
As a further optimization scheme of the present embodiment: the first exchange tube 410 o and the second exchange tube 420 o are both S-shaped.
In the optimized scheme, the heat exchange area can be increased by the S-shaped first exchange tube 410 and the S-shaped second exchange tube 420, so that the heat exchange efficiency is improved.
EXAMPLE III
As an optimization of the first embodiment, the second heat exchange assembly 400 is annularly distributed on the outer wall of the rotating rod 300, and the second heat exchange assembly 400 comprises
A second heat conduction box 410b disposed on the outer wall of the rotation lever 300, wherein notches 420b are respectively formed on the second heat conduction box 410b at positions corresponding to each of the first heat exchange assemblies 200;
a fourth feeding tube 450b having one end embedded in the rotating rod 300 and extending out of the tower body 100 and the other end connected to the second heat-conducting box 410 b;
a fourth discharging pipe 460b having one end embedded in the rotating rod 300 and extending out of the tower body 100;
a third connecting pipe 470b for connecting the fourth discharging pipe 460b and the second heat conduction box 410 b; and
and a plurality of baffles 430b disposed inside the second heat conduction case 410b on both sides of the slot 420b, the baffles 430b being configured to partially partition the second heat conduction case 410b on both sides of the slot 420b into a U-shape.
This embodiment is implemented like this, inject the heat exchange material into fourth inlet pipe 450b through the hose, then realize through second heat conduction box 410b with the liquid heat exchange in the tower body 100, baffle 430b through setting up can increase the effect of heat exchange, then the heat exchange material gets into fourth discharging pipe 460b by third connecting pipe 470b, flow out the tower body 100 from fourth discharging pipe 460b, second heat conduction box 410b can realize the stirring to liquid in the tower body 100 again along with the pivoted in-process of dwang 300, also can realize the heat exchange, can effectual improvement heat exchange efficiency.
As a further optimization scheme of the present embodiment:
the second heat-conducting box 410b is provided with a plurality of second conduits 440b, and the second conduits 440b penetrate through the second heat-conducting box 410 b.
In this optimized solution, the second conduit 440b can increase both the heat exchange area and the fluidity of the liquid in the tower body 100.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.

Claims (3)

1. The production equipment of the ultralow temperature mixed refrigerant is characterized in that: comprises that
The tower body is provided with a support frame on the outer wall;
the material distributing pipes are linearly distributed on the tower body;
the rotating rod is rotatably arranged on the tower body, and one end of the rotating rod extends into the tower body;
the connecting rods are arranged at one end of the rotating rod, which extends out of the tower body;
the servo motor is arranged on the support frame, and the connecting rod is connected with the output end of the servo motor;
the second heat exchange assemblies are arranged on the rotating rod, and can realize heat exchange and stirring of substances in the tower body in the reciprocating rotation process of the second heat exchange assemblies along with the rotating rod; and
the multiple groups of first heat exchange assemblies are arranged on the circumferential wall of the tower body, and the multiple groups of first heat exchange assemblies and the multiple material distributing pipes are distributed in a staggered manner;
the first heat exchange assembly comprises
A plurality of positioning holes which are annularly distributed on the tower body, and each positioning hole is provided with a sealing cover;
the first heat conduction boxes are arranged on the inner wall of the tower body, and the opening ends of the first heat conduction boxes are over against the positioning holes; and
at least two groups of circulation components are respectively arranged on the sealing covers at two sides of the central axis of the tower body;
the flow-through assembly comprises
A plurality of long pipes respectively penetrating through the plurality of sealing covers;
a plurality of short pipes respectively penetrating through the plurality of sealing covers;
a plurality of first connecting pipes which are connected with the long pipe and the short pipe on two adjacent sealing covers;
the second feeding pipe is connected to the long pipe which is not connected with the first connecting pipe in the circulation assembly; and
the second discharge pipe is connected to the short pipe which is not connected with the first connecting pipe in the circulation assembly;
the second heat exchange assembly comprises
A third feeding pipe and a third discharging pipe which are respectively arranged on the rotating rod, wherein one end of the third feeding pipe and one end of the third discharging pipe are respectively embedded into the rotating rod and extend out of the tower body; and
one end of each heat exchange tube is connected with the third feeding tube, and the other end of each heat exchange tube is connected with the third discharging tube;
the heat exchange tube comprises
A first exchange tube and a second exchange tube;
the second connecting pipe is communicated with the first exchange pipe and the second exchange pipe;
the first positioning pipe is communicated with the second exchange pipe and the third feeding pipe; and
the second positioning pipe is communicated with the first exchange pipe and the third discharge pipe;
the plurality of heat exchange tubes are staggered with the first heat exchange assembly;
the first exchange tube and the second exchange tube are S-shaped.
2. An apparatus for manufacturing an ultra-low temperature mixed type refrigerant as claimed in claim 1, wherein the first heat exchange assembly further comprises a plurality of first tubes disposed on the first heat conductive case, the first tubes penetrating the first heat conductive case.
3. The apparatus for manufacturing a ultra-low temperature mixed type refrigerant as claimed in claim 2, wherein a flow gap is left between adjacent two first heat conductive boxes in the flow module.
CN202110495230.XA 2021-05-07 2021-05-07 Preparation method and production equipment of ultralow-temperature mixed refrigerant Active CN113198409B (en)

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Application Number Priority Date Filing Date Title
CN202110495230.XA CN113198409B (en) 2021-05-07 2021-05-07 Preparation method and production equipment of ultralow-temperature mixed refrigerant

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Application Number Priority Date Filing Date Title
CN202110495230.XA CN113198409B (en) 2021-05-07 2021-05-07 Preparation method and production equipment of ultralow-temperature mixed refrigerant

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CN113198409B true CN113198409B (en) 2022-09-23

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CN205886895U (en) * 2016-08-22 2017-01-18 兰博尔开封科技有限公司 Reinforce heat exchange type reation kettle
CN207187743U (en) * 2017-08-29 2018-04-06 广元瑞峰新材料有限公司 A kind of PVC crosslinking agents preparation facilities
CN207797818U (en) * 2018-01-19 2018-08-31 华北电力大学 A kind of flue gas waste heat recovery heating plant
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CN111804174A (en) * 2020-07-09 2020-10-23 陆雪英 Automatic production equipment for fertilizer granulation
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