CN203586614U - Heat-insulating atomizing absorber with double-journey absorption and liquid storage functions and system - Google Patents

Heat-insulating atomizing absorber with double-journey absorption and liquid storage functions and system Download PDF

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Publication number
CN203586614U
CN203586614U CN201320777794.3U CN201320777794U CN203586614U CN 203586614 U CN203586614 U CN 203586614U CN 201320777794 U CN201320777794 U CN 201320777794U CN 203586614 U CN203586614 U CN 203586614U
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China
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tank body
absorber
absorption
spray absorber
liquid storage
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Expired - Fee Related
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CN201320777794.3U
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Chinese (zh)
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王寒栋
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Shenzhen Polytechnic
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Shenzhen Polytechnic
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems

Abstract

The embodiment of the utility model discloses a heat-insulating atomizing absorber with double-journey absorption and liquid storage functions, and an absorption type refrigerating system. The heat-insulating atomizing absorber is characterized in that an absorber main body is a tank body; an air inlet pipeline and an air outlet pipeline which are communicated with the inside and the outside are arranged on the tank body; the bottom end of the tank body is provided with a liquid inlet pipeline and a liquid discharge pipeline which are communicated with the inside and the outside; the liquid inlet pipeline stretches to the top of the tank body at a predetermined height in the interior of the tank body; moreover, the tail end of the liquid inlet pipeline is provided with an atomizing spray nozzle for spraying solution to the top of the tank body; the air inlet pipeline is arranged in the middle of the side wall of the tank body. When the heat-insulating atomizing absorber and the absorption type refrigerating system are in use, the solution is sprayed out from bottom to top, and has a process of contacting and absorbing mixed gas twice in rising and declining; due to the double-journey absorbing process, the absorbing time is more sufficient within the shorter absorbing journey; the full implementation of the absorbing process is guaranteed; not only can the height of the tank body be decreased, but also all space of the tank body can be fully utilized to meet the requirements of the absorbing process; the size of the tank body can be furthest decreased, and moreover, the absorbing effect is strong.

Description

Adiabatic Spray absorber and the system with round trip absorption and liquid storage function
Technical field
The utility model relates to refrigeration technology field, relates in particular to a kind of adiabatic Spray absorber and absorption system with round trip absorption and liquid storage function.
Background technology
Absorber is the key equipment in absorption system, mainly according to the concentration difference of cold-producing medium composition and refrigerant vapour in weak solution, by weak solution absorption refrigeration agent steam, form concentrated solution, thereby the absorption process of completing, even if weak solution becomes concentrated solution, for recycling of solution in absorption refrigeration.
In traditional absorption system, the absorber generally adopting mostly is falling film absorbre, its operation principle is that solution forms fluid film from upper spray at filler or heat exchange tube wall, the absorption process that contacted by fluid film with gas, because absorption process will produce a large amount of absorption heat, need to utilize the handles such as cooling coil to absorb the torrid zone and walk.Because the mutual lotus root of heat and mass transfer process in falling film absorbre is closed, make to improve heat transfer and mass-transfer efficiency simultaneously and become comparatively difficult, therefore its complex heat transfer mass-transfer efficiency is not generally very high, also make the absorber volume of traditional absorption system larger, the overall system that accounts for having is amassed unexpectedly up to 40%.This is very unfavorable for the volume that dwindles absorption system, therefore, how to strengthen heat and mass transfer process in absorber, improves its efficiency, just becomes the problem of research and producers' facing.
For traditional falling film absorbre, the main way of heat and mass transfer enhancement has the high-performance heat exchanger of employing, change filler or heat exchanger tube surface configuration to strengthen the disturbance of liquid film flow, doping etc. in solution, make to a certain extent its heat and mass efficiency be improved, but cannot fundamentally overcome the defect of falling film absorption.For this reason, people have proposed adiabatic atomizing absorber, by handle, are conducted heat separated with mass transport process and are strengthened respectively and realize the efficient of heat and mass.In adiabatic atomizing absorption system, diabatic process is passed through external heat exchanger complete independently to the cooling of weak solution and excessively cold, thereby the weak solution of crossing after cold sprays and contacts with gas the mass transport process completing in absorption in adiabatic Spray absorber, the absorption heat simultaneously producing in absorption process is absorbed by solution itself and solution temperature is raise, in absorption process, only have mass transfer and externally do not conduct heat, thereby realize heat and mass transfer separation, the two no longer mutual strong lotus root is closed and restriction mutually, for the separation of heat and mass, strengthen possibility is provided, a kind of means of comparatively desirable strengthening absorption process.Utilize adiabatic spray absorber can greatly reduce the volume of absorber, thereby dwindle the volume of absorption system, for device miniaturization, densification provide possibility.
Yet existing adiabatic Spray absorber can not make full use of and dwindle tank body space.
Utility model content
The utility model embodiment technical problem to be solved is, a kind of adiabatic Spray absorber and absorption system that can fully dwindle tank body volume is provided.
In addition, the utility model embodiment also provides a kind of adiabatic Spray absorber and absorption system with liquid storage function.
In order to solve the problems of the technologies described above, the utility model embodiment has proposed a kind of adiabatic Spray absorber with round trip absorption and liquid storage function, main body is tank body, and tank body is provided with and is communicated with inside and outside air inlet pipeline and outlet pipe, and bottom is provided with and is communicated with inside and outside feed liquor pipeline and drain line; Described feed liquor pipeline extends predetermined altitude and end and is provided with for the atomizer to tank body top jet solution to tank body top in tank interior, described air inlet pipeline is arranged at the sidewall middle part of tank body.
Further, tank base forms liquid storage space, and the liquid level upper limit height in liquid storage space is lower than the height of the air inlet of atomizer and air inlet pipeline.
Further, tank wall has been set up level sensor part or has been set up liquid level gauge at tank body lateral surface, and the top of described liquid level gauge is connected with tank interior space, and bottom is communicated in drain line.
Further, the top of described tank body is provided with the first baffle plate over against the mouth of pipe of outlet pipe.
Further, the top of described tank body, and deviating from a side of the described mouth of pipe of the first baffle plate be provided with second baffle.
Further, described second baffle is provided with the liquid distributing hole of mesh.
Further, atomizer is bolted in the end of feed liquor pipeline, and feed liquor pipeline is fixedly connected on tank body by screw thread and seal washer.
Further, described tank body top is provided with pressure sensor adapter and the balance pipe adapter being all connected with tank body space.
Further, be also provided with temperature tube on described tank body, temperature tube is tubbiness, and endosome is provided with thermometric device.
Correspondingly, the utility model embodiment also provides a kind of absorption system, comprises the generator, condenser, evaporimeter, cryogenic fluid pump, solution pump, absorber and the solution heat exchanger that by pipeline, connect and compose closed circuit; Described absorber adopts the adiabatic Spray absorber with round trip absorption and liquid storage function as above.
The utility model embodiment have that round trip absorbs and the adiabatic Spray absorber of liquid storage function and the beneficial effect of absorption system are: of the present utility model have that round trip absorbs and when the adiabatic Spray absorber of liquid storage function and absorption system use, solution sprays from lower to upper, exist rise and fall secondary to contact and absorption process with mist, this round trip absorption process can make to have soak time comparatively fully in shorter absorption distance, guarantees fully carrying out of absorption process; Not only can reduce tank body height, but also whole spaces that can make full use of tank body to meet the needs of absorption process, can at utmost reduce the volume of tank body, and assimilation effect is strong; In addition, in tank interior, be provided with liquid storage space, and the height of the air inlet of atomizer and air inlet pipeline is higher than the liquid level upper limit height in liquid storage space, makes adiabatic Spray absorber and system have liquid storage function, meets the technique effect of people's liquid storage buffering needs.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the adiabatic Spray absorber with round trip absorption and liquid storage function of the utility model embodiment.
Fig. 2 is the top view that has the adiabatic Spray absorber of round trip absorption and liquid storage function containing of the utility model embodiment.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can mutually combine, and below in conjunction with the drawings and specific embodiments, the utility model are described in further detail.
In order to overcome the shortcoming of prior art, the utility model embodiment is arranged the atomizer of upwards spraying and in the inside of tank body, liquid storage space is set by middle and lower part in tank body, and the height of the air inlet of atomizer and air inlet pipeline is higher than the liquid level upper limit height in liquid storage space, thereby make adiabatic Spray absorber and absorption system there is round trip absorption function, and there is liquid storage function.
On the other hand in order to reduce the volume of tank body, promote the comprehensive utilization of energy in Refrigeration and Air-conditioning Engineering, energy-conservation and environmental protection, the adiabatic Spray absorber with round trip absorption and liquid storage function that the utility model embodiment provides, can greatly reduce the volume of tank body and absorption system, improve its efficiency, there is round trip absorbing structure, make full use of and dwindle tank body space, the feature that assimilation effect is strong, and then can promote waste heat/used heat, clean energy resource and non-renewable energy resources are as the application in Refrigeration and Air-conditioning Engineering such as natural gas and solar energy, the natural environment that can also preserve our planet when improving energy consumption efficiency.No matter be conducive to fundamentally solve China's shortage of electric power situation and protection of the environment problem, be that energy substitution is used, fully utilized, or environmental protection is had to positive meaning.
Please refer to Fig. 1 and Fig. 2, the adiabatic Spray absorber with round trip absorption and liquid storage function of the utility model embodiment, main body is tank body 10, is provided with liquid storage space 11 in tank body 10, comprises outlet pipe 20, drain line 30, atomizer 40 and air inlet pipeline 50.
Outlet pipe 20 is located on tank body 10, inside and outside connection.Particularly, outlet pipe 20 is located at center or other positions on tank body 10 tops.
Drain line 30 is located at center or other positions of the bottom of tank body 10, inside and outside being also communicated with.
Atomizer 40 is located in tank body 10, and connects by being communicated with inside and outside feed liquor pipeline 60, for the sprayed solution that makes progress.Particularly, feed liquor pipeline 60 is located at tank body 10 bottom dead center position or other positions and is not disturbed mutually with drain line 30, and be threaded connection part 61 sealing access, or be fixedly connected on tank body 10 by screw thread and seal washer, and predetermined altitude is extended at the top to tank body 10, described atomizer 40 is installed on the end of feed liquor pipeline 60, is specifically threaded connection, and is convenient to as required atomizer 40 be safeguarded and maintenance.
Air inlet pipeline 50 is located at the middle part of tank body 10 sidewalls, and the height of the air inlet of air inlet pipeline 50 and atomizer 40 is higher than the liquid level upper limit height in liquid storage space 11, thereby prevents that solution from pouring in down a chimney.
Described adiabatic Spray absorber also comprises liquid level gauge 70, the first baffle plate 80, second baffle 90, pressure sensor adapter 100, balance pipe adapter 110 and temperature tube 120.
Liquid level gauge 70 is attached to tank body 10 lateral surfaces, and top is connected with tank body 10 inner spaces, and bottom is communicated in drain line 30.
As another kind of embodiment, tank body 10 sidewalls have been set up level sensor part.Described level sensor part is liquid level sensor or liquid-level switch.
The first baffle plate 80 is located at the top of described tank body 10 over against the mouth of pipe of outlet pipe 20, to prevent that the droplet spraying from directly entering outlet pipe 20.
Second baffle 90 is located at the top of described tank body 10, and is positioned at the side in the described mouth of pipe that deviates from of the first baffle plate 80.Preferably, described second baffle 90 is provided with the liquid distributing hole of mesh.Thereby second baffle 90 is fixedly arranged on the below of the first baffle plate 80, can meet solution with the requirement of droplets fall, again allow gaseous mixture from mesh liquid distributing hole through and enter gas exhaust piping and discharge and to have that round trip absorbs and the adiabatic Spray absorber of liquid storage function.
Pressure sensor adapter 100 and balance pipe are taken over 110 and are located at described tank body 10 tops, and are all connected with tank body 10 spaces.
Temperature tube 120 is located at the position that needs thermometric on described tank body 10, is tubbiness, and thermometric device is inserted and installed in the inner by the openend of temperature tube 120.Particularly, the quantity of temperature tube 120 is definite as required, and it can be also a plurality of can being one; Thermometric device is thermometer or temperature sensor.Above-mentioned each parts are organic connects into an integral body, can realize the bottom-up spraying of weak solution, from up to down drippage fully contacted round trip absorption process with gaseous mixture, and the situations such as temperature, pressure and solution spray absorption in can Real-Time Monitoring absorption process.
Correspondingly, the utility model embodiment also provides a kind of absorption system, comprises the generator, condenser, evaporimeter, cryogenic fluid pump, solution pump, absorber and the solution heat exchanger that by pipeline, connect and compose closed circuit; Described absorber adopts the adiabatic Spray absorber with round trip absorption and liquid storage function as above.
The course of work of the adiabatic Spray absorber with round trip absorption and liquid storage function of the utility model embodiment is as follows: the weak solution through precooling is upwards ejection of cone shape in tank body 10 bottoms with predetermined spray angle scope by atomizer 40 by feed liquor pipeline 60; Meanwhile, containing the more gaseous mixture (as ammonia/hydrogen or ammonia/helium gas mixture) of refrigerant gas, by air inlet pipeline 50, enter tank body 10 bottoms and to upper space diverging flow; When the weak solution droplet upwards spraying contacts with the mobile gaseous mixture that makes progress, refrigerant gas composition in part gaseous mixture is absorbed and is formed intermediate concentration solution droplet by weak solution droplet, and the gaseous mixture of refrigerant gas composition after being absorbed be because density reduces to continue upwards to flow, and flow out adiabatic Spray absorber via the outlet pipe 20 at tank body 10 tops; Intermediate concentration solution droplet upwards collide tank body 10 roofs and second baffle after 90s, by second baffle 90 surface and the mesh liquid distributing hole that arranges thereof, with drop form, dripped downwards; The intermediate concentration solution droplets falling produces to collide and continue with the droplet of atomizer 40 ejections and contacts with the mobile gaseous mixture that continues to make progress in dropping process, again absorb the refrigerant gas composition in gaseous mixture, until absorption reaches capacity and forms final concentrated solution, concentrated solution is collected in the liquid storage space 11 of tank body 10 bottoms after being dropped in tank body 10 bottoms, and liquid storage pooling feature is realized in liquid storage space 11; By spray absorber and the level condition of liquid level gauge 70 observable tank body 10 interior solution.Said process can carry out continuously, on the one hand, adiabatic Spray absorber has liquid storage function, the needs of people's liquid storage buffering have been met, on the other hand, solution exists rise and fall secondary to contact and absorption process with mist, and this round trip absorption process can make to have soak time comparatively fully in shorter absorption distance, guarantees fully carrying out of absorption process; Not only can reduce tank body 10 height, but also whole spaces that can make full use of tank body 10 to meet the needs of absorption process, can at utmost reduce the volume of tank body 10, and meet the needs of assimilation effect.Pressure and temperature in absorption process in adiabatic Spray absorber is measured by the pressure sensor of installing and thermometric device respectively, in order to monitor the running status of the adiabatic Spray absorber of this round trip.
In the above course of work, there are two flow processs: one is solution flow process simultaneously, from feed liquor pipeline 60 and atomizer 40, upwards spray, encounter tank body 10 roofs and the second baffle round trip solution flow process with droplets fall final formation concentrated solution after 90s; Another is the gaseous mixture flow process that enters tank body 10 and upwards flow, finally flow out from the outlet pipe 20 at tank body 10 tops tank body 10 from air inlet pipeline 50.In solution flow process and gaseous mixture flow process, solution fully contacts and completes absorption process with gaseous mixture.The combination of solution flow process and blender flow process, can carry out the absorption process in absorption system continuously, thereby guarantees the carrying out of kind of refrigeration cycle.
In actual applications, can to the parameters such as flow, temperature and pressure of spray weak solution, regulate according to actual conditions, make to have round trip absorbs and the adiabatic Spray absorber of liquid storage function in parameter and the concentration of final concentrated solution etc. meet instructions for use.
The above is the specific embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.

Claims (10)

1. an adiabatic Spray absorber with round trip absorption and liquid storage function, main body is tank body, and tank body is provided with and is communicated with inside and outside air inlet pipeline and outlet pipe, and bottom is provided with and is communicated with inside and outside feed liquor pipeline and drain line; It is characterized in that, described feed liquor pipeline extends predetermined altitude and end and is provided with for the atomizer to tank body top jet solution to tank body top in tank interior, and described air inlet pipeline is arranged at the sidewall middle part of tank body.
2. adiabatic Spray absorber as claimed in claim 1, is characterized in that, tank base forms liquid storage space, and the liquid level upper limit height in liquid storage space is lower than the height of the air inlet of atomizer and air inlet pipeline.
3. adiabatic Spray absorber as claimed in claim 2, is characterized in that, tank wall has been set up level sensor part or set up liquid level gauge at tank body lateral surface, and the top of described liquid level gauge is connected with tank interior space, and bottom is communicated in drain line.
4. adiabatic Spray absorber as claimed in claim 1, is characterized in that, the top of described tank body is provided with the first baffle plate over against the mouth of pipe of outlet pipe.
5. adiabatic Spray absorber as claimed in claim 4, is characterized in that, the top of described tank body, and deviating from a side of the described mouth of pipe of the first baffle plate be provided with second baffle.
6. adiabatic Spray absorber as claimed in claim 5, is characterized in that, described second baffle is provided with the liquid distributing hole of mesh.
7. adiabatic Spray absorber as claimed in claim 1, is characterized in that, atomizer is bolted in the end of feed liquor pipeline, and feed liquor pipeline is fixedly connected on tank body by screw thread and seal washer.
8. adiabatic Spray absorber as claimed in claim 1, is characterized in that, described tank body top is provided with the pressure sensor adapter and the balance pipe that are all connected with tank body space and takes over.
9. adiabatic Spray absorber as claimed in claim 1, is characterized in that, is also provided with temperature tube on described tank body, and temperature tube is tubbiness, and endosome is provided with thermometric device.
10. an absorption system, comprises the generator, condenser, evaporimeter, cryogenic fluid pump, solution pump, absorber and the solution heat exchanger that by pipeline, connect and compose closed circuit; It is characterized in that, described absorber adopts the adiabatic Spray absorber as claimed in any one of claims 1-9 wherein with round trip absorption and liquid storage function.
CN201320777794.3U 2013-11-29 2013-11-29 Heat-insulating atomizing absorber with double-journey absorption and liquid storage functions and system Expired - Fee Related CN203586614U (en)

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CN201320777794.3U CN203586614U (en) 2013-11-29 2013-11-29 Heat-insulating atomizing absorber with double-journey absorption and liquid storage functions and system

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CN201320777794.3U CN203586614U (en) 2013-11-29 2013-11-29 Heat-insulating atomizing absorber with double-journey absorption and liquid storage functions and system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114264088A (en) * 2021-12-10 2022-04-01 安徽普泛能源技术有限公司 Absorption tower combining injection and falling film, absorption refrigeration system and operation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114264088A (en) * 2021-12-10 2022-04-01 安徽普泛能源技术有限公司 Absorption tower combining injection and falling film, absorption refrigeration system and operation method thereof
CN114264088B (en) * 2021-12-10 2023-09-05 安徽普泛能源技术有限公司 Absorption tower with combination of spraying and falling film, absorption refrigeration system and operation method thereof

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140507

Termination date: 20161129