CN107188925A - A kind of vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology - Google Patents

A kind of vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology Download PDF

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Publication number
CN107188925A
CN107188925A CN201710345023.XA CN201710345023A CN107188925A CN 107188925 A CN107188925 A CN 107188925A CN 201710345023 A CN201710345023 A CN 201710345023A CN 107188925 A CN107188925 A CN 107188925A
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CN
China
Prior art keywords
steam
flash
fresh air
negative pressure
heat pump
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Pending
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CN201710345023.XA
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Chinese (zh)
Inventor
张茂勇
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Beijing Qing Technology Research Institute Co Ltd Datian Energy Industry
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Beijing Qing Technology Research Institute Co Ltd Datian Energy Industry
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Priority to CN201710345023.XA priority Critical patent/CN107188925A/en
Publication of CN107188925A publication Critical patent/CN107188925A/en
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K1/00General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
    • C07K1/14Extraction; Separation; Purification
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

Abstract

A kind of vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, belong to vegetable protein production technology and industrial energy saving technical field, in the extraction produced for vegetable protein and process for sterilizing, high temperature feed liquid enters the problem of a large amount of secondary low-voltage steam and its waste heat that shwoot goes out after flash tank are wasted, pressurization heating is carried out to flash-off steam using HEAT PUMP BASED ON EJECTING PRINCIPLE technology, and it is sent to the air inlet progress fresh air preheating of drying process fresh air, condensate is sent to solidifying water pot by condensate line, solidifying water pot top is provided with vacuum extractor, solidifying water pot bottom condenses water out and is connected with condensate pump, condensate is sent to technique moisturizing by condensate pump, it is achieved thereby that the water resource and residual heat resources of flash-off steam are by reuse.

Description

A kind of vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology
Technical field
The present invention relates to a kind of vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, belong to plant egg White production technology and industrial energy saving technical field.
Background technology
Following flow is generally used using the vegetable protein production of soybean protein isolation technics:Extraction process:The AA+ that adds water expects <1:9>——》Separation ---》Add water BB<1:5>——》Two extractions, separation ---》Breast+beans stripping water separation ---》Newborn acid adding is entered Row acid is heavy ---》It is separated into curdled milk+beans stripping water(Sampling water)——》Curdled milk adds alkali to neutralize ---》Heat exchanger heating sterilization (130~150 DEG C)——》Flash distillation, cooling(65~75 DEG C)——》Spray drying ---》Albumen powder discharges.
In the extraction of vegetable protein production and process for sterilizing, material liquid turns into high temperature feed liquid after wet sterilization, enters back into Flash tank is cooled, concentrated, wherein the indirect steam in flash tank because its pressure and temperature it is relatively low, generally in condenser by Cooling water system is condensed and is dissipated waste heat amount and is wasted into surrounding air, and its condensate is also generally arranged Enter cesspool.
The content of the invention
The purpose of the present invention and task are, in the extraction produced for vegetable protein and process for sterilizing, and high temperature feed liquid enters The problem of a large amount of secondary low-voltage steam and its waste heat that shwoot goes out after flash tank are wasted, using HEAT PUMP BASED ON EJECTING PRINCIPLE technology Pressurization heating is carried out to flash-off steam, and is sent to the air inlet of drying process fresh air carrying out fresh air preheating, and reclaim its condensate Technique moisturizing is sent to, reaches the water resource and residual heat resources of flash-off steam by the purpose of reuse.
The present invention specific descriptions be:A kind of vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, The pressure and temperature of flash-off steam is improved using HEAT PUMP BASED ON EJECTING PRINCIPLE technology, and by its contained water resource and residual heat resources fully recovering In technique, it is characterised in that be somebody's turn to do the vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology and drawn using split type Formula heat pump is penetrated, the split type HEAT PUMP BASED ON EJECTING PRINCIPLE system includes injection type both vapor compression module, negative pressure steam condenser-fresh air The connecting line of warm-up block and condensate postpositive disposal reuse module and correlation is constituted with pipe fitting, wherein injection type both vapor compression Module includes injection type vapour compression unit 4, driving steam and enters steam control valve 2, low pressure admission pipe 3, gland steam exhauster 5, negative pressure steam Condenser-fresh air preheating module includes negative pressure steam condenser-fresh air preheating device 6, solidifying water pot 7, vacuum pumping pump 8, condensate pump 9 Composition, wherein the side of original flash tank 1 is provided with high temperature feed liquid A import, bottom is provided with concentration feed liquid B outlet, top Be provided with flash-off steam outlet, the flash-off steam outlet is connected with original condenser, and with newly-increased injection type both vapor compression module Injection type vapour compression unit 4 low pressure admission pipe 3 be connected, the driving steam inlet of injection type vapour compression unit 4 is set It is equipped with driving steam and enters steam control valve 2, gland steam exhauster 5 and the negative pressure steam condenser-fresh air preheating of injection type vapour compression unit 4 The air intake of device 6 is connected, and the delivery port of negative pressure steam condenser-fresh air preheating device 6 is connected with the water inlet of solidifying water pot 7, coagulates water The on-condensible gas exhaust outlet on the top of tank 7 is connected with the air inlet of vacuum pumping pump 8, exhaust outlet and the surrounding air phase of vacuum pumping pump 8 Logical, the delivery port of the solidifying bottom of water pot 7 is connected with the water inlet of condensate pump 9, delivery port and the rearmounted place of condensate of condensate pump 9 The water inlet for managing reuse module 10 is connected, and the delivery port of condensate postpositive disposal reuse module 10 is communicated with technique moisturizing to be connected, The inlet side of negative pressure steam condenser-fresh air preheating device 6 is communicated with outdoor air, air side and original steam air heater or Conduction oil air heater is connected.
The process flow, be by existing conventional flowsheet:Extraction process add water AA+ material<1:9>——》Point From ---》Add water BB<1:5>——》Two extractions, separation ---》Breast+beans stripping water separation ---》It is heavy that newborn acid adding carries out acid ---》 It is separated into curdled milk+beans stripping water sampling water ---》Curdled milk adds alkali to neutralize ---》Heat exchanger heating sterilization 130~150 ℃——》Flash distillation, 65~75 DEG C of cooling ---》Spray drying ---》Albumen powder discharges, wherein the air intake heater being spray-dried Skill flow is:Outdoor fresh air ---》Steam heater or hotline heater ---》Drying tower;New technological flow is adjusted to, its The part of middle change is:The indirect steam after flash distillation, 65~75 DEG C of cooling in existing common process;With a part of high drive Steam ---》Injection type vapour compression unit 4 ---》Negative pressure steam condenser-fresh air preheating device 6 ---》Solidifying water pot 7 ---》 Condensate feeding condensate postpositive disposal reuse module 16 after separation ---》Extraction process adds water the AA and/or BB that adds water;Wherein The air intake heating technological process of spray drying is adjusted to:Outdoor fresh air ---》Negative pressure steam condenser-fresh air preheating device 6 ---》 Steam heater or hotline heater ---》Drying tower.
Injection type vapour compression unit 4 uses negative pressure steam type injection pump configuration.
Driving steam enters steam control valve 2 and uses motorized adjustment valve arrangement.
Negative pressure steam condenser-fresh air preheating device 6 is vertically arranged using heat-exchanging tube bundle.
Negative pressure steam condenser-fresh air preheating device 6 uses heat-exchanging tube bundle lateral arrangement.
Negative pressure steam condenser-fresh air preheating device 6 is using pressure-bearing type or longitudinal water and on-condensible gas isolating construction.
Part and pipeline composition integral structure included by negative pressure steam condenser-fresh air preheating module, also can split Formula is set.
The present invention solve in vegetable protein production the water resource of extraction and flash tank indirect steam in process for sterilizing with The problem of residual heat resources are recycled, carries out pressurization heating, and be sent to back tender using HEAT PUMP BASED ON EJECTING PRINCIPLE technology to flash-off steam The air inlet of skill fresh air carries out fresh air preheating, and condensate is sent to technique moisturizing, it is achieved thereby that the water resource of flash-off steam and Residual heat resources are by reuse.
Meanwhile, technical method and its device and engineering construction scheme designed by the present invention, also can further genralrlization arrive it In the similar technique processing procedure of its industry, with more common industry application value and economic results in society.
Brief description of the drawings
Fig. 1 is the system schematic of the present invention.
Each unit number and title are as follows in Fig. 1.
Flash tank 1, driving steam enter steam control valve 2, low pressure admission pipe 3, injection type vapour compression unit 4, gland steam exhauster 5, Negative pressure steam condenser-fresh air preheating device 6, solidifying water pot 7, vacuum pumping pump 8, condensate pump 9, condensate postpositive disposal reuse module 10th, high temperature feed liquid A, concentration feed liquid B, the indirect steam towards condenser(C), technique moisturizing(D), on-condensible gas exhaust(E), it is new Wind preheats air-out(F), fresh air preheating air intake(G), driving steam(H).
Embodiment
Fig. 1 is the system schematic of the present invention.
The specific embodiment of the present invention is as follows:A kind of vegetable protein flash-off steam reuse side based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology Method, using split type HEAT PUMP BASED ON EJECTING PRINCIPLE system, the split type HEAT PUMP BASED ON EJECTING PRINCIPLE system includes injection type both vapor compression module, negative pressure The connecting line of steam condenser-fresh air preheating module and condensate postpositive disposal reuse module and correlation is constituted with pipe fitting, its Middle injection type both vapor compression module include injection type vapour compression unit 4, driving steam enter steam control valve 2, low pressure admission pipe 3, Gland steam exhauster 5, negative pressure steam condenser-fresh air preheating module includes negative pressure steam condenser-fresh air preheating device 6, solidifying water pot 7, taken out Vavuum pump 8, condensate pump 9 are constituted, wherein the side of original flash tank 1 is provided with high temperature feed liquid A import, bottom is provided with concentration Feed liquid B outlet, top is provided with flash-off steam outlet, and flash-off steam outlet is connected with original condenser, and draws with newly-increased The low pressure admission pipe 3 for penetrating the injection type vapour compression unit 4 of formula both vapor compression module is connected, injection type vapour compression unit 4 Driving steam inlet is provided with driving steam and enters steam control valve 2, and gland steam exhauster 5 and the negative pressure of injection type vapour compression unit 4 are steamed The air intake of vapour condenser-fresh air preheating device 6 is connected, the delivery port of negative pressure steam condenser-fresh air preheating device 6 and solidifying water pot 7 Water inlet be connected, the on-condensible gas exhaust outlet on the solidifying top of water pot 7 is connected with the air inlet of vacuum pumping pump 8, the row of vacuum pumping pump 8 Gas port is communicated with surrounding air, and the delivery port of the solidifying bottom of water pot 7 is connected with the water inlet of condensate pump 9, the water outlet of condensate pump 9 Mouth is connected with the water inlet of condensate postpositive disposal reuse module 10, the delivery port and work of condensate postpositive disposal reuse module 10 Skill moisturizing communicates connected, and the inlet side of negative pressure steam condenser-fresh air preheating device 6 is communicated with outdoor air, air side with it is original Steam air heater or conduction oil air heater are connected.
The process flow, be by existing conventional flowsheet:Extraction process add water AA+ material<1:9>——》Point From ---》Add water BB<1:5>——》Two extractions, separation ---》Breast+beans stripping water separation ---》It is heavy that newborn acid adding carries out acid ---》 It is separated into curdled milk+beans stripping water sampling water ---》Curdled milk adds alkali to neutralize ---》Heat exchanger heating sterilization 130~150 ℃——》Flash distillation, 65~75 DEG C of cooling ---》Spray drying ---》Albumen powder discharges, wherein the air intake heater being spray-dried Skill flow is:Outdoor fresh air ---》Steam heater or hotline heater ---》Drying tower;New technological flow is adjusted to, its The part of middle change is:The indirect steam after flash distillation, 65~75 DEG C of cooling in existing common process;With a part of high drive Steam ---》Injection type vapour compression unit 4 ---》Negative pressure steam condenser-fresh air preheating device 6 ---》Solidifying water pot 7 ---》 Condensate feeding condensate postpositive disposal reuse module 16 after separation ---》Extraction process adds water the AA and/or BB that adds water;Wherein The air intake heating technological process of spray drying is adjusted to:Outdoor fresh air ---》Negative pressure steam condenser-fresh air preheating device 6 ---》 Steam heater or hotline heater ---》Drying tower.
Injection type vapour compression unit 4 uses negative pressure steam type injection pump configuration.
Driving steam enters steam control valve 2 and uses motorized adjustment valve arrangement.
Negative pressure steam condenser-fresh air preheating device 6 is vertically arranged using heat-exchanging tube bundle.
Negative pressure steam condenser-fresh air preheating device 6 is using pressure-bearing type water and on-condensible gas isolating construction.
Part and pipeline composition integral structure included by negative pressure steam condenser-fresh air preheating module.
It should be noted that how the present invention solves indirect steam in flash tank using HEAT PUMP BASED ON EJECTING PRINCIPLE technology if being proposed The method of water resource and residual heat resources reuse problem, and according to this conceptual solutions can have different specific implementation measures and The specific implementation device of different structure, above-mentioned embodiment is only a kind of, any other like letter therein The embodiment of monotropic shape, uses integral type or split-type structural such as negative pressure steam condenser-fresh air preheating module;Set Or be not provided with condensate postpositive disposal reuse module 10 or carry out mode of texturing that average expert personage is contemplated that etc., or will The technical approach is applied to other similar application occasions in addition to vegetable protein production industry with same or analogous structure, Fall into protection scope of the present invention.

Claims (8)

1. a kind of vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, is improved using HEAT PUMP BASED ON EJECTING PRINCIPLE technology The pressure and temperature of flash-off steam, and by its contained water resource and residual heat resources fully recovering in technique, it is characterised in that the base Split type HEAT PUMP BASED ON EJECTING PRINCIPLE system is used in the vegetable protein flash-off steam reuse method of HEAT PUMP BASED ON EJECTING PRINCIPLE technology, this is split type to draw Penetrating formula heat pump includes injection type both vapor compression module, negative pressure steam condenser-fresh air preheating module and the rearmounted place of condensate The connecting line for managing reuse module and correlation is constituted with pipe fitting, and wherein injection type both vapor compression module includes injection type both vapor compression Device(4), driving steam enter steam control valve(2), low pressure admission pipe(3), gland steam exhauster(5), negative pressure steam condenser-fresh air preheating Module includes negative pressure steam condenser-fresh air preheating device(6), solidifying water pot(7), vacuum pumping pump(8), condensate pump(9)Composition, its In original flash tank(1)Side is provided with high temperature feed liquid(A)Import, bottom is provided with concentration feed liquid(B)Outlet, top is set Be equipped with flash-off steam outlet, the flash-off steam outlet is connected with original condenser, and with newly-increased injection type both vapor compression module Injection type vapour compression unit(4)Low pressure admission pipe(3)It is connected, injection type vapour compression unit(4)Driving steam inlet Mouth is provided with driving steam and enters steam control valve(2), injection type vapour compression unit(4)Gland steam exhauster(5)With negative pressure steam condensing Device-fresh air preheating device(6)Air intake be connected, negative pressure steam condenser-fresh air preheating device(6)Delivery port and solidifying water pot(7) Water inlet be connected, coagulate water pot(7)The on-condensible gas exhaust outlet and vacuum pumping pump on top(8)Air inlet be connected, vacuum pumping pump (8)Exhaust outlet communicated with surrounding air, coagulate water pot(7)The delivery port and condensate pump of bottom(9)Water inlet be connected, condense Water pump(9)Delivery port and condensate postpositive disposal reuse module(10)Water inlet be connected, condensate postpositive disposal reuse mould Block(10)Delivery port communicate and be connected with technique moisturizing, negative pressure steam condenser-fresh air preheating device(6)Inlet side and outdoor it is empty Gas phase is led to, and air side is connected with original steam air heater or conduction oil air heater.
2. the vegetable protein flash-off steam reuse method as claimed in claim 1 based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, its feature exists In described process flow, it is by existing conventional flowsheet:Extraction process add water AA+ material<1:9>——》Point From ---》Add water BB<1:5>——》Two extractions, separation ---》Breast+beans stripping water separation ---》It is heavy that newborn acid adding carries out acid ---》 It is separated into curdled milk+beans stripping water(Sampling water)——》Curdled milk adds alkali to neutralize ---》Heat exchanger heating sterilization(130~150 ℃)——》Flash distillation, cooling(65~75 DEG C)——》Spray drying ---》Albumen powder discharges, wherein the air intake being spray-dried adds Thermal process flow is:Outdoor fresh air ---》Steam heater or hotline heater ---》Drying tower;It is adjusted to new process flow Journey, wherein the part changed is:Flash distillation, cooling in existing common process(65~75 DEG C)Indirect steam afterwards;And a part High drive steam ---》Injection type vapour compression unit(4)——》Negative pressure steam condenser-fresh air preheating device(6)——》 Solidifying water pot(7)——》Condensate feeding condensate postpositive disposal reuse module after separation(16)——》Extraction process adds water AA With(Or)Add water BB;The air intake heating technological process being wherein spray-dried is adjusted to:Outdoor fresh air ---》Negative pressure steam condensing Device-fresh air preheating device(6)——》Steam heater or hotline heater ---》Drying tower.
3. the vegetable protein flash-off steam reuse method as claimed in claim 1 based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, its feature exists In described injection type vapour compression unit(4)Using negative pressure steam type injection pump configuration.
4. the vegetable protein flash-off steam reuse method as claimed in claim 1 based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, its feature exists Enter steam control valve in described driving steam(2)Using motorized adjustment valve arrangement.
5. the vegetable protein flash-off steam reuse method as claimed in claim 1 based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, its feature exists In described negative pressure steam condenser-fresh air preheating device(6)It is vertically arranged using heat-exchanging tube bundle.
6. the vegetable protein flash-off steam reuse method as claimed in claim 1 based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, its feature exists In described negative pressure steam condenser-fresh air preheating device(6)Using heat-exchanging tube bundle lateral arrangement.
7. the vegetable protein flash-off steam reuse method as claimed in claim 1 based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, its feature exists In described negative pressure steam condenser-fresh air preheating device(6)Using pressure-bearing type or longitudinal water and on-condensible gas isolating construction.
8. the vegetable protein flash-off steam reuse method as claimed in claim 1 based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology, its feature exists , also can split in the part included by described negative pressure steam condenser-fresh air preheating module and pipeline composition integral structure Formula is set.
CN201710345023.XA 2017-05-16 2017-05-16 A kind of vegetable protein flash-off steam reuse method based on HEAT PUMP BASED ON EJECTING PRINCIPLE technology Pending CN107188925A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110966788A (en) * 2019-12-24 2020-04-07 山东省科学院能源研究所 Waste heat utilization method of waste heat upgrading system based on hydraulic jet

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CN205399047U (en) * 2016-02-23 2016-07-27 陕西科技大学 Dry process process hides heat pump supplies vapour heating device

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Publication number Priority date Publication date Assignee Title
US4454720A (en) * 1982-03-22 1984-06-19 Mechanical Technology Incorporated Heat pump
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110966788A (en) * 2019-12-24 2020-04-07 山东省科学院能源研究所 Waste heat utilization method of waste heat upgrading system based on hydraulic jet
CN110966788B (en) * 2019-12-24 2021-07-20 山东省科学院能源研究所 Waste heat utilization method of waste heat upgrading system based on hydraulic jet

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