CN111023633A - Four-tube-pass efficient ammonia condenser - Google Patents

Four-tube-pass efficient ammonia condenser Download PDF

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Publication number
CN111023633A
CN111023633A CN201911319481.1A CN201911319481A CN111023633A CN 111023633 A CN111023633 A CN 111023633A CN 201911319481 A CN201911319481 A CN 201911319481A CN 111023633 A CN111023633 A CN 111023633A
Authority
CN
China
Prior art keywords
interval
tube
tube array
partition plate
end socket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911319481.1A
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Chinese (zh)
Inventor
牛俊祥
黄强
蒋红梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongling Huaxing Fine Chemical Co ltd
Original Assignee
Tongling Huaxing Fine Chemical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tongling Huaxing Fine Chemical Co ltd filed Critical Tongling Huaxing Fine Chemical Co ltd
Priority to CN201911319481.1A priority Critical patent/CN111023633A/en
Publication of CN111023633A publication Critical patent/CN111023633A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/04Condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00Arrangements for sealing leaky tubes and conduits
    • F28F11/02Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings

Abstract

The invention relates to the technical field of ammonia condensers, in particular to a four-tube-pass efficient ammonia condenser which comprises a cylinder, a first tube array end socket and a second tube array end socket, wherein the first tube array end socket and the second tube array end socket are respectively connected with the left end and the right end of the cylinder in a sealing manner, a vertical diameter partition plate and a transverse radius partition plate are arranged inside the first tube array end socket, and the first tube array end socket is divided into an interval A, an interval B and an interval C by the vertical diameter partition plate and the transverse radius partition plate; the invention divides the inside of the cylinder into four channels by the action of the vertical partition plates and the transverse partition plates, and arranges the tube array in each channel, the cooling stroke of the ammonia gas is increased to two times or even four times of the original stroke in the process of cooling, and the flow guide spiral blades are arranged on the tube array, so that the stroke of the ammonia gas in the cooling process is further increased, the heat exchange effect is excellent, the ammonia gas after heat exchange is completely converted into liquid ammonia, no part of the ammonia gas escapes, and the yield and the quality of subsequent products are effectively ensured.

Description

Four-tube-pass efficient ammonia condenser
Technical Field
The invention relates to the technical field of ammonia condensers, in particular to a four-tube-pass efficient ammonia condenser.
Background
The ammonia condenser cools the ammonia gas in the shell pass by process water through the tube pass, so that the ammonia gas is condensed into liquid ammonia and is recycled in an ammonia ice machine refrigerating system. At present, most of traditional ammonia condensers are in a single-inlet single-outlet mode (namely a single-way pipe mode) or a double-way pipe mode, the condensation effect is poor, so that existing ammonia water at an outlet is formed, and partial ammonia-containing gas escapes, so that condensation can only liquefy partial ammonia-containing gas, and the overall recovery effect of an ammonia distillation system is influenced. In addition, the tube nest in the existing ammonia condenser is a carbon steel tube, water has a corrosion effect on the carbon steel tube nest, scaling is easily generated on the inner wall, the heat exchange effect is poor, ammonia gas in the shell pass cannot be condensed into liquid ammonia, the normal operation of a refrigerating system of an ice machine is seriously restricted, and the yield and the quality of subsequent products in a workshop are influenced.
The invention with the patent number of CN104006581B discloses a novel ammonia refrigeration condenser, which comprises a shell and tube heat exchanger, a circulating pipe and an ejector, wherein the lower tube side of the shell and tube heat exchanger is connected with a cooling water inlet pipe, the upper tube side of the shell and tube heat exchanger is connected with a cooling water outlet pipe, and an ammonia vapor inlet to be liquefied and condensed enters the top of the shell side of the shell and tube heat exchanger through the ejector; the ejector comprises a spray pipe, an expansion pipe and an ejector pipe wall, wherein the larger opening of the spray pipe is connected with an ammonia steam inlet to be liquefied and condensed, the smaller opening of the spray pipe is connected with the smaller opening of the expansion pipe, a gap is formed at the joint, the larger opening of the expansion pipe is communicated with the top of the shell side of the shell-and-tube heat exchanger, the ejector pipe wall, the spray pipe wall and the expansion pipe wall form a closed cavity, and the cavity is communicated with the circulating pipe. Although the invention skillfully and reasonably eliminates the influence of the air enrichment membrane on the condensation and liquefaction of ammonia vapor through the Venturi effect, the cooling effect is insufficient because the ammonia gas is cooled through a single pass in the cooling and condensing process of the ammonia gas, and the ammonia gas cannot be completely condensed, thereby generating great influence on the quality of subsequent products. Therefore, the invention of a four-tube-pass high-efficiency ammonia condenser is a technical problem to be solved aiming at the poor cooling effect of the existing ammonia condenser.
Disclosure of Invention
The invention aims to solve the technical problem of designing a four-tube-pass high-efficiency ammonia condenser to solve the problem of poor cooling effect of the existing one-way or two-way tube ammonia condenser.
The invention is realized by the following technical scheme:
a four-tube-pass high-efficiency ammonia condenser comprises a cylinder body, a first tube array end enclosure and a second tube array end enclosure, wherein the first tube array end enclosure and the second tube array end enclosure are respectively connected with the left end and the right end of the cylinder body in a sealing manner, a vertical diameter partition plate and a transverse radius partition plate are arranged in the first tube array end enclosure, the first tube array end enclosure is divided into an interval A, an interval B and an interval C by the vertical diameter partition plate and the transverse radius partition plate, a water inlet tube is arranged on the first tube array end enclosure positioned at the interval A, a water outlet tube is arranged on the first tube array end enclosure positioned at the interval B, a vertical partition plate and a transverse partition plate are axially arranged in the cylinder body and divide the interior of the cylinder body into four channels, tube array groups which are circularly arranged are arranged in the channels, and the left end and the right end of each tube array group respectively extend into the first tube array end enclosure and the second, follow be provided with the water conservancy diversion spiral leaf in the axial of row nest of tubes, be located the circumference outside of water conservancy diversion spiral leaf is provided with sealed filler, set up circular passageway in the sealed filler, row nest of tubes and water conservancy diversion spiral leaf set up in circular passageway, are located the left end barrel upper surface of sealed filler is provided with the ammonia and advances the pipe, is located the right-hand member barrel lower surface of sealed filler is provided with the liquid ammonia export, the inside transverse diameter baffle that is provided with of second row pipe head, the second row pipe head is separated for interval D and interval E by the transverse diameter baffle, interval A is linked together through row nest of tubes and interval D, interval D is linked together through row nest of tubes and interval C, interval C is linked together through row nest of tubes and interval E, interval E is linked together through row nest of tubes and interval B.
As a further improvement of the scheme, the supports are welded at the left end and the right end of the lower surface of the barrel body and can be stably connected with the working table top through the supports, and the running stability of the whole device is guaranteed.
As a further improvement of the scheme, a balance port, a pressure measuring port, a safety valve port and a vent port are sequentially arranged at the right end of the upper surface of the cylinder body.
As a further improvement of the scheme, the lower end of the right side surface of the second tube array end socket is provided with a water outlet.
As a further improvement of the scheme, a sewage draining outlet is formed in the left end of the lower surface of the barrel.
As a further improvement of the scheme, the tube in the tube array group is a stainless steel tube.
Has the advantages that:
compared with the existing single-tube-pass or double-tube-pass ammonia condenser, the invention divides the interior of the cylinder into four channels by the action of the vertical partition plate and the transverse partition plate, and the tube array group is arranged in each channel, so that the cooling stroke of the ammonia gas is increased to two times or even four times of the original stroke in the process of cooling, and the ammonia gas can fully exchange heat with cooling water in the tube array; meanwhile, the flow guide spiral blades are arranged on the tube array groups, the sealing filler is arranged in the channel, ammonia gas flows into the cylinder body along the direction of the flow guide spiral blades, the stroke of the ammonia gas in the cooling process is further increased, the heat exchange effect is excellent, the ammonia gas after heat exchange is completely converted into the liquid ammonia, no part of the ammonia gas escapes, and the yield and the quality of subsequent products are effectively guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a front view plane of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a partial cross-sectional view of the left end of the cartridge body of the present invention;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 1;
fig. 6 is a perspective view of the tubular array and the guide spiral vane of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 6, in conjunction with the embodiments.
Example 1
Embodiment 1 introduces a four-tube-pass high-efficiency ammonia condenser, the major structure includes a cylinder 1, a first tube row end enclosure 2 and a second tube row end enclosure 3, supports 15 fixed on a workbench are welded at both ends of the left and right of the lower surface of the cylinder 1, wherein the first tube row end enclosure 1 and the second tube row end enclosure 2 are respectively connected with the left and right ends of the cylinder 1 through bolts and sealing gaskets (not shown in the figure), a vertical diameter partition plate 41 and a transverse radius partition plate 42 are arranged inside the first tube row end enclosure 2, the vertical diameter partition plate 41 and the transverse radius partition plate 42 divide the inside of the first tube row end enclosure 2 into an interval a 201, an interval B202 and an interval C203, a water inlet pipe 5 is arranged on the first tube row end enclosure 2 at the interval a 201, and a water outlet pipe 6 is arranged on the first tube row end enclosure 2 at the interval B202.
A vertical clapboard 7 and a horizontal clapboard 8 are arranged in the cylinder 1 along the axial direction, the vertical clapboard 7 and the horizontal clapboard 8 divide the interior of the cylinder 1 into four channels, a tube array group 9 is arranged in each channel, a plurality of tubes in the tube array group 9 are arranged in a circular shape, wherein the tubes in the tube array group 9 are all stainless steel tubes,
and the left end and the right end of the tube array group 9 respectively extend into the first tube array end socket 2 and the second tube array end socket 3. A guide spiral blade 10 is arranged along the axial direction of the tube array 9, the specific arrangement mode can refer to fig. 6, a sealing filler 11 is arranged on the outer side of the circumference of the guide spiral blade 10, the sealing filler 11 seals the middle end of the channel, the sealing filler 11 leaves ammonia gas flowing spaces at the two ends of the channel, a circular channel 111 is arranged in the sealing filler 11, the tube array 9 and the guide spiral blade 10 are arranged in the circular channel 111, and ammonia gas flows into the circular channel 111 along the guide space of the guide spiral blade 10.
An ammonia gas inlet pipe 12 is arranged on the upper surface of the cylinder 1 at the left end of the sealed filler 11, the ammonia gas inlet pipe 12 is communicated with the ammonia gas flowing space at the left end, and a liquid ammonia outlet 13 is arranged on the lower surface of the cylinder 1 at the right end of the sealed filler 11. Meanwhile, a transverse diameter partition plate 14 is arranged inside the second tube array end socket 3, the second tube array end socket 3 is divided into an interval D301 and an interval E302 by the vertical diameter partition plate 14, wherein the interval A201 is communicated with the interval D301 through the tube array 9, the interval D301 is communicated with the interval C203 through the tube array 9, the interval C203 is communicated with the interval E302 through the tube array 9, and the interval E302 is communicated with the interval B202 through the tube array 9. When the cooling water is injected into the water inlet pipe 5, the flow direction of the cooling water is the same as that of each section, and finally the cooling water flows out of the water outlet pipe 6.
In addition, in order to ensure the normal operation of the whole ammonia cooling process and the real-time monitoring of the internal conditions, a balance port 16, a pressure measuring port 17, a safety valve port 18 and an emptying port 19 are sequentially arranged at the right end of the upper surface of the barrel 1. In order to facilitate the water in the second tube row sealing head 3 to be discharged, a water outlet 20 is further arranged at the lower end of the right side surface of the second tube row sealing head 3. Finally, a drain outlet 21 is also arranged at the left end of the lower surface of the cylinder 1, so that the impurity liquid can be periodically discharged from the cylinder 1.
The specific implementation and application of the four-tube-pass high-efficiency ammonia condenser are as follows:
when the ammonia condenser is used for cooling and condensing high-temperature ammonia gas, an external water source is communicated with the water inlet pipe 5 through the water pump, cooling water is pumped in, the cooling water firstly enters the interval 201, enters the interval D301 along the corresponding tube array group 9, then enters the interval C203 through the tube array group 9 in the interval D, then enters the interval E302 from the tube array group 9 above the interval C, and finally enters the interval B202 from the tube array group 9 on the left side of the interval E and is discharged from the water outlet pipe 6, so that four-tube-pass circulation of the cooling water is formed.
After the cooling water is filled in the whole four-tube-pass high-efficiency ammonia condenser, high-temperature ammonia gas is injected from the ammonia gas inlet tube 12, the ammonia gas firstly enters from the circular channel 111 at the section B202, flows in a spiral flow direction under the action of the flow guide spiral blades 10 and fully exchanges heat with the tube array 9, when the ammonia gas flows to the right end of the barrel body 1, the ammonia gas enters into another circular channel 111 to exchange heat with another tube array 9, the flow direction of the ammonia gas is opposite to that of the cooling water, and finally the ammonia gas is discharged from the liquid ammonia outlet 13 when being condensed to be in a liquid state, at the moment, the high-temperature ammonia gas is completely liquefied into liquid ammonia, and no ammonia gas is included, so that the ammonia gas condensation.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A four-tube-pass high-efficiency ammonia condenser comprises a cylinder body, a first tube array end socket and a second tube array end socket, and is characterized in that the first tube array end socket and the second tube array end socket are respectively connected with the left end and the right end of the cylinder body in a sealing manner, a vertical diameter partition plate and a transverse radius partition plate are arranged in the first tube array end socket, the first tube array end socket is divided into an interval A, an interval B and an interval C by the vertical diameter partition plate and the transverse radius partition plate, a water inlet tube is arranged on the first tube array end socket positioned at the interval A, a water outlet tube is arranged on the first tube array end socket positioned at the interval B, the vertical partition plate and the transverse partition plate are axially arranged in the cylinder body, the vertical partition plate and the transverse partition plate divide the interior of the cylinder body into four channels, tube array groups which are circularly arranged are arranged in the channels, and the left end and the right end of each tube array group respectively extend into the first, follow be provided with the water conservancy diversion spiral leaf in the axial of row nest of tubes, be located the circumference outside of water conservancy diversion spiral leaf is provided with sealed filler, set up circular passageway in the sealed filler, row nest of tubes and water conservancy diversion spiral leaf set up in circular passageway, are located the left end barrel upper surface of sealed filler is provided with the ammonia and advances the pipe, is located the right-hand member barrel lower surface of sealed filler is provided with the liquid ammonia export, the inside transverse diameter baffle that is provided with of second row pipe head, the second row pipe head is separated for interval D and interval E by the transverse diameter baffle, interval A is linked together through row nest of tubes and interval D, interval D is linked together through row nest of tubes and interval C, interval C is linked together through row nest of tubes and interval E, interval E is linked together through row nest of tubes and interval B.
2. The four-tube-pass high-efficiency ammonia condenser of claim 1, wherein supports are welded at the left and right ends of the lower surface of the cylinder.
3. The four-tube-pass high-efficiency ammonia condenser of claim 1, wherein a balance port, a pressure measuring port, a safety valve port and a vent port are sequentially arranged at the right end of the upper surface of the cylinder body.
4. The four-tube-pass high-efficiency ammonia condenser of claim 1, wherein the lower end of the right side surface of the second row of tube end sockets is provided with a water outlet.
5. The four-tube-pass high-efficiency ammonia condenser as claimed in claim 1, wherein the left end of the lower surface of the cylinder is provided with a sewage draining outlet.
6. The four-tube-pass high-efficiency ammonia condenser of claim 1, wherein the tubes in the tube array are stainless steel tubes.
CN201911319481.1A 2019-12-19 2019-12-19 Four-tube-pass efficient ammonia condenser Withdrawn CN111023633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911319481.1A CN111023633A (en) 2019-12-19 2019-12-19 Four-tube-pass efficient ammonia condenser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911319481.1A CN111023633A (en) 2019-12-19 2019-12-19 Four-tube-pass efficient ammonia condenser

Publications (1)

Publication Number Publication Date
CN111023633A true CN111023633A (en) 2020-04-17

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ID=70210636

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911319481.1A Withdrawn CN111023633A (en) 2019-12-19 2019-12-19 Four-tube-pass efficient ammonia condenser

Country Status (1)

Country Link
CN (1) CN111023633A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113401039A (en) * 2021-07-22 2021-09-17 上海择诺物流有限公司 Cold chain transport vehicle and cold chain logistics monitoring method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113401039A (en) * 2021-07-22 2021-09-17 上海择诺物流有限公司 Cold chain transport vehicle and cold chain logistics monitoring method

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Application publication date: 20200417