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CN111111243A - Set formula mvr evaporation equipment based on negative pressure - Google Patents

Set formula mvr evaporation equipment based on negative pressure Download PDF

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Publication number
CN111111243A
CN111111243A CN202010078694.6A CN202010078694A CN111111243A CN 111111243 A CN111111243 A CN 111111243A CN 202010078694 A CN202010078694 A CN 202010078694A CN 111111243 A CN111111243 A CN 111111243A
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CN
China
Prior art keywords
plate
negative pressure
fixedly connected
defoaming
heat exchanger
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Granted
Application number
CN202010078694.6A
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Chinese (zh)
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CN111111243B (en
Inventor
王红艺
杨丽恒
蔡国刚
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Beijing Weisen Green Technology Co ltd
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Beijing Weisen Green Technology Co ltd
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Priority to CN202010078694.6A priority Critical patent/CN111111243B/en
Publication of CN111111243A publication Critical patent/CN111111243A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/28Evaporating with vapour compression
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/30Accessories for evaporators ; Constructional details thereof

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses negative pressure-based integrated mvr evaporation equipment, which comprises a plate heat exchanger and an evaporation tank, wherein the evaporation tank is fixedly installed on the left side of the plate heat exchanger in an embedded manner, the right side of the plate heat exchanger is provided with a second fixed side plate, the left side of the evaporation tank is provided with a first fixed side plate, a plurality of fixed rods are arranged between the first fixed side plate and the second fixed side plate, the left side of the first fixed side plate is symmetrically and fixedly connected with a stable bracket, and a feed inlet of the evaporation tank is fixedly provided with a pipeline pushing pump. When the plurality of defoaming needles rotate annularly, the pinion rolls on the toothed plate at the same time, so that the pinion drives the rotating shaft to rotate, the plurality of defoaming needles also rotate, the defoaming needles are contacted with foams under the conditions of continuous revolution and rotation to carry out defoaming work, the defoaming efficiency is greatly improved, and materials with broken foams can flow into the evaporating tank again along the material guide groove of the defoaming baffle.

Description

Set formula mvr evaporation equipment based on negative pressure
Technical Field
The invention relates to the technical field of mvr evaporation equipment, in particular to negative pressure-based integrated mvr evaporation equipment.
Background
MVR is the abbreviation of vapor mechanical recompression, it is the energy-conserving technique of the secondary steam of reusing the vaporization system self production to reduce the demand to the external energy, MVR evaporimeter is different with traditional multiple-effect evaporation equipment who utilizes industrial steam heating, and MVR evaporimeter utilizes electric energy and mechanical energy to reuse secondary steam, turns into the motive power of material heating, has effectively reduced the primary steam use amount in traditional chinese medicine concentration technology, simultaneously, also is showing the running cost who reduces the enterprise.
According to the Chinese patent publication numbers: CN203436841U, an evaporimeter defoaming device, includes separator and heater, is connected with the vapour phase pipe between the top of separator and the heater, installs the defoaming baffle in the vapour phase pipe, and the bottom of defoaming baffle is equipped with the storage tank, is connected with the back flow between storage tank and the separator. The evaporator defoaming device can effectively remove liquid foam in secondary steam, and reduces the loss of finished products and the COD content of emissions.
However, since the foam drifts along with the evaporation gas, if the foam is difficult to be rapidly eliminated only by the single inclined foam-removing baffle, the foam-removing efficiency is low, thereby affecting the normal operation of the air compressor.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, foam is difficult to rapidly eliminate through a single obliquely arranged foam eliminating baffle, the foam eliminating efficiency is low, and the normal operation of an air compressor is influenced, and provides a negative pressure-based integrated mvr evaporation device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a set formula mvr evaporation equipment based on negative pressure, includes plate heat exchanger and evaporating pot, the embedded fixed mounting of evaporating pot is in the left side of plate heat exchanger, the right side of plate heat exchanger is equipped with the fixed curb plate of second, the left side of evaporating pot is equipped with the fixed curb plate of first, be equipped with a plurality of dead levers between the fixed curb plate of first and second, the left side symmetry fixedly connected with of the fixed curb plate of first stabilizes the support, the feed inlet fixed mounting of evaporating pot has the pipeline propelling movement pump, the gas outlet fixed connection of evaporating pot has the second steam input tube, the last fixed mounting of shearing pot has the shearing motor, the output end fixedly connected with output shaft of shearing motor, the output shaft extends to in the shearing pot, the symmetry fixedly connected with removes the foam baffle on the output shaft, remove and seted up a plurality of through-holes on the foam baffle, the utility model discloses a vacuum pump, including output shaft, still fixedly connected with pivot on the output shaft, a plurality of defoaming syringe needles of fixedly connected with are a plurality of in the pivot the defoaming syringe needle is equidistant symmetric distribution, the last symmetry of difference of plate heat exchanger is equipped with first interface and second interface, the second interface has air compressor through second steam output tube connection, air compressor's air inlet fixedly connected with second steam input tube, second steam input tube and the fixed intercommunication of shearing jar, one side of evaporating jar is equipped with negative pressure adjustment mechanism.
Preferably, the negative pressure adjusting mechanism comprises a vacuum pump, the first fixed side plate is connected with the vacuum pump through a vent pipe, and the vent pipe is provided with an adjusting valve.
Preferably, the inner wall fixedly connected with pinion rack of shearing jar, the pinion rack is the annular setting, the one end fixedly connected with pinion of output shaft is kept away from in the pivot, the pinion is connected with the pinion rack meshing.
Preferably, a plurality of material guiding grooves are formed in the defoaming baffle plate, and the material guiding grooves are distributed in an annular uniform array.
Preferably, a drain pipe is fixedly connected to the first interface and connected to an external condensate pump.
Preferably, the bottom sides of the stabilizing support and the second fixing side plate are fixedly connected with support legs, and the bottom sides of the support legs are provided with anti-slip pads.
Preferably, the fixing rod is arranged by penetrating through the first fixing side plate and the second fixing side plate, and two ends of the fixing rod are connected with abutting nuts through threads.
Preferably, the defoaming baffle is funnel-shaped.
Compared with the prior art, the invention has the beneficial effects that:
1. the evaporating pot is in the course of the work, steam is discharged through the gas outlet on the evaporating pot, start shearing motor this moment and drive the output shaft and carry out high-speed rotation, thereby make two defoaming baffles rotate shearing work, the foam receives the shearing force breakage when contacting with the through-hole pore wall, the pivot also rotates simultaneously, thereby it carries out the annular rotation to drive a plurality of defoaming syringe needles, the pinion rolls on the pinion rack simultaneously, because meshing effect between them, make the pinion drive the pivot and rotate, thereby make a plurality of defoaming syringe needles self also rotate, defoaming syringe needle removes the foam work with the foam contact under the condition of continuous revolution and rotation, defoaming efficiency has been improved greatly, the broken material of foam can flow into the evaporating pot again along the guide groove of defoaming baffle.
2. Under the intercommunication effect of second steam input pipe, air compressor carries out the secondary compression to steam for the secondary steam temperature improves, carries out the secondary heating through plate heat exchanger to the material, has improved energy utilization.
3. Through opening the governing valve for the vacuum pump begins to work, thereby adjusts the interior pressure of evaporating pot and makes it be in little negative pressure state, thereby guarantees the stability of evaporating pot work, ensures the safety in production.
Drawings
Fig. 1 is a schematic front structural view of a negative pressure-based integrated mvr evaporation device according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a shearing tank in a negative pressure-based integrated mvr evaporation plant according to the present invention;
fig. 3 is a schematic top view of a defoaming baffle plate in the negative pressure-based integrated mvr evaporation equipment.
In the figure: the device comprises a 1-plate heat exchanger, a 2-evaporating pot, a 3-first fixed side plate, a 4-second fixed side plate, a 5-fixed rod, a 6-connecting rod, a 7-stabilizing support, an 8-supporting leg, a 9-first interface, a 10-second interface, a 11-second steam output pipe, a 12-air compressor, a 13-second steam input pipe, a 14-shearing pot, a 15-shearing motor, a 16-output shaft, a 17-defoaming baffle, an 18-through hole, a 19-guide groove, a 20-rotating shaft, a 21-defoaming needle, a 22-pinion, a 23-toothed plate, a 24-pipeline pushing pump, a 25-vent pipe, a 26-regulating valve and a 27-vacuum pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-3, a negative pressure-based integrated mvr evaporation apparatus comprises a plate heat exchanger 1 and an evaporation tank 2, wherein the evaporation tank 2 is fixedly installed at the left side of the plate heat exchanger 1 in an embedded manner, the evaporation tank 2 is installed at one side of the plate heat exchanger 1 in a manner that pressing plates at two sides of the plate heat exchanger 1 are pressed and sealed, the installation complexity is low, the right side of the plate heat exchanger 1 is provided with a second fixed side plate 4, the left side of the evaporation tank 2 is provided with a first fixed side plate 3, a plurality of fixing rods 5 are arranged between the first fixed side plate 3 and the second fixed side plate 4, the fixing rods 5 are arranged to penetrate through the first fixed side plate 3 and the second fixed side plate 4, two ends of the fixing rods 5 are both in threaded connection with abutting nuts, the first fixed side plate 3 and the second fixed side plate 4 are locked by the abutting nuts at two sides, so as to facilitate the dismounting and mounting of, the bottom sides of the stabilizing support 7 and the second fixing side plate 4 are fixedly connected with support legs 8, and the bottom sides of the support legs 8 are provided with anti-slip pads, so that the anti-slip performance of the device is improved, and the stability of the device is ensured.
Feed inlet fixed mounting of evaporating pot 2 has pipeline push pump 24, the gas outlet fixedly connected with second steam input tube 13 of evaporating pot 2, fixed mounting has shearing motor 15 on the shearing jar 14, shearing motor 15's output end fixedly connected with output shaft 16, output shaft 16 extends to in the shearing jar 14, symmetrical fixedly connected with removes foam baffle 17 on the output shaft 16, remove and seted up a plurality of through-holes 18 on the foam baffle 17, remove and seted up a plurality of priming troughs 19 on the foam baffle 17, a plurality of priming troughs 19 are annular even array distribution, it is the funnel type to remove foam baffle 17, can flow into again to evaporating pot 2 along the priming trough 19 that removes foam baffle 17 after the broken material of foam condenses, play fine drainage effect.
The output shaft 16 is also fixedly connected with a rotating shaft 20, the rotating shaft 20 is fixedly connected with a plurality of defoaming needles 21, the defoaming needles 21 are symmetrically distributed at equal intervals, the inner wall of the shearing tank 14 is fixedly connected with a toothed plate 23, the toothed plate 23 is arranged in an annular shape, one end of the rotating shaft 20 far away from the output shaft 16 is fixedly connected with a pinion 22, the pinion 22 is meshed with the toothed plate 23 and is connected with the rotating shaft 20, the rotating shaft 20 also rotates to drive the defoaming needles 21 to rotate annularly, meanwhile, the pinion 22 rolls on the toothed plate 23, due to the meshing effect of the pinion 22 and the toothed plate 23, the pinion 22 drives the rotating shaft 20 to rotate, so that the defoaming needles 21 also rotate, the defoaming needles 21 are contacted with foam under the conditions of continuous revolution and rotation to perform defoaming work, the defoaming efficiency is improved, the plate heat exchanger 1 is respectively and symmetrically provided with a first interface 9 and a second interface 10, the first interface 9 is fixedly connected with a drain, the drain pipe is connected to an external condensate pump, so that the condensate water after heat exchange can be quickly discharged.
Second interface 10 is connected with air compressor 12 through second steam output tube 11, air inlet fixedly connected with second steam input tube 13 of air compressor 12, second steam input tube 13 and the fixed intercommunication of shearing jar 14, one side of evaporating pot 2 is equipped with negative pressure adjustment mechanism, negative pressure adjustment mechanism includes vacuum pump 27, first fixed curb plate 3 passes through breather pipe 25 and is connected with vacuum pump 27, be equipped with governing valve 26 on the breather pipe 25, open governing valve 26, make vacuum pump 27 begin to work, thereby adjust the interior pressure of evaporating pot 2 and make it be in little negative pressure state, thereby guarantee the stability of evaporating pot 2 work, ensure safety in production.
In the invention, in the working process of the evaporating pot 2, steam is discharged through the air outlet on the evaporating pot 2, at the moment, the shearing motor 15 is started to drive the output shaft 16 to rotate at a high speed, so that the two defoaming baffles 17 rotate and shear, foams are crushed by shearing force when contacting with the hole wall of the through hole 18, simultaneously, the rotating shaft 20 also rotates, so that the plurality of defoaming needles 21 are driven to rotate annularly, meanwhile, the pinion 22 rolls on the toothed plate 23, due to the meshing effect of the two, the pinion 22 drives the rotating shaft 20 to rotate, so that the plurality of defoaming needles 21 also rotate, the defoaming needles 21 contact with the foams under the conditions of revolution and rotation to perform defoaming work, the defoaming efficiency is greatly improved, materials with crushed foams can flow into the evaporating pot 2 again along the material guide groove 19 of the defoaming baffles 17, under the communication effect of the second steam input pipe 13, air compressor 12 carries out the secondary compression to steam for the secondary steam temperature improves, carries out the secondary heating to the material through plate heat exchanger 1, has improved energy utilization, through opening governing valve 26, makes vacuum pump 27 begin to work, thereby adjusts pressure in the evaporating pot 2 and makes it be in little negative pressure state, thereby guarantees the stability of evaporating pot 2 work, ensures the safety in production.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides an aggregate formula mvr evaporation equipment based on negative pressure, includes plate heat exchanger (1) and evaporating pot (2), its characterized in that, the embedded fixed mounting of evaporating pot (2) is in the left side of plate heat exchanger (1), the right side of plate heat exchanger (1) is equipped with second fixed curb plate (4), the left side of evaporating pot (2) is equipped with first fixed curb plate (3), be equipped with a plurality of dead levers (5) between first fixed curb plate (3) and second fixed curb plate (4), the left side symmetry fixedly connected with of first fixed curb plate (3) stabilizes support (7), the feed inlet fixed mounting of evaporating pot (2) has pipeline push pump (24), the gas outlet fixedly connected with second steam input tube (13) of evaporating pot (2), fixed mounting has shearing motor (15) on shearing pot (14), the output end of the shearing motor (15) is fixedly connected with an output shaft (16), the output shaft (16) extends into the shearing tank (14), the output shaft (16) is symmetrically and fixedly connected with a defoaming baffle plate (17), the defoaming baffle plate (17) is provided with a plurality of through holes (18), the output shaft (16) is further fixedly connected with a rotating shaft (20), the rotating shaft (20) is fixedly connected with a plurality of defoaming needles (21) which are symmetrically distributed at equal intervals, the plate heat exchanger (1) is respectively and symmetrically provided with a first interface (9) and a second interface (10), the second interface (10) is connected with an air compressor (12) through a second steam output pipe (11), an air inlet of the air compressor (12) is fixedly connected with a second steam input pipe (13), and the second steam input pipe (13) is fixedly communicated with the shearing tank (14), and a negative pressure adjusting mechanism is arranged on one side of the evaporating pot (2).
2. The negative pressure-based collective mvr evaporating device according to claim 1, wherein the negative pressure adjusting mechanism comprises a vacuum pump (27), the first stationary side plate (3) is connected to the vacuum pump (27) through a vent pipe (25), and the vent pipe (25) is provided with an adjusting valve (26).
3. The negative pressure-based collective mvr evaporating apparatus according to claim 1, wherein a toothed plate (23) is fixedly connected to the inner wall of the shearing tank (14), the toothed plate (23) is annularly arranged, a pinion (22) is fixedly connected to one end of the rotating shaft (20) far away from the output shaft (16), and the pinion (22) is in meshed connection with the toothed plate (23).
4. The negative pressure-based collective mvr evaporating device according to claim 1, wherein the defoaming baffle plate (17) is provided with a plurality of guiding troughs (19), and the guiding troughs (19) are distributed in a circular uniform array.
5. The negative pressure-based collective mvr evaporating device according to claim 1, wherein a drain pipe is fixedly connected to the first interface (9), and the drain pipe is connected to an external condensate pump.
6. The negative pressure-based collective mvr evaporating device according to claim 1, wherein the bottom sides of the stabilizing bracket (7) and the second fixed side plate (4) are fixedly connected with support legs (8), and the bottom sides of the support legs (8) are provided with anti-skid pads.
7. The negative pressure-based collective mvr evaporating apparatus as claimed in claim 1, wherein the fixing rod (5) is disposed to penetrate through the first fixing side plate (3) and the second fixing side plate (4), and both ends of the fixing rod (5) are screwed with tightening nuts.
8. Negative pressure-based collective mvr evaporation equipment according to claim 1, characterized in that the defoaming baffle (17) is funnel-shaped.
CN202010078694.6A 2020-02-03 2020-02-03 Negative pressure-based integrated mvr evaporation equipment Active CN111111243B (en)

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CN202010078694.6A CN111111243B (en) 2020-02-03 2020-02-03 Negative pressure-based integrated mvr evaporation equipment

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CN202010078694.6A CN111111243B (en) 2020-02-03 2020-02-03 Negative pressure-based integrated mvr evaporation equipment

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CN111111243B CN111111243B (en) 2024-08-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118064267A (en) * 2024-04-18 2024-05-24 枣庄全鼎生物科技股份有限公司 An enzymatic hydrolysis device for collagen peptide production with centralized stirring function

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000000557A (en) * 1998-06-17 2000-01-07 Chubu Electric Power Co Inc Wastewater evaporative concentrator
KR20030030708A (en) * 2001-10-12 2003-04-18 주식회사 포스코 An apparatus of removing bubbles generated in the storage tank for alkalic solution
US20030175201A1 (en) * 2000-01-24 2003-09-18 Klett James W. Humidifier for fuel cell using high conductivity carbon foam
US20080017326A1 (en) * 2004-12-24 2008-01-24 Jeong-Ho Hong Distillation or Evaporation Method and Equipment for Salt Water or Sort of Fluid by Reheated Steam at Multiple Effect Evaporation System with Chamber of Horizontal Plate Type Heat Exchanger
CN208599189U (en) * 2018-03-26 2019-03-15 天元(宜昌)新材料科技有限公司 A kind of concentration systems of ammonium perchlorate
CN211963103U (en) * 2020-02-03 2020-11-20 北京未森绿色科技有限公司 Set formula mvr evaporation equipment based on negative pressure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000000557A (en) * 1998-06-17 2000-01-07 Chubu Electric Power Co Inc Wastewater evaporative concentrator
US20030175201A1 (en) * 2000-01-24 2003-09-18 Klett James W. Humidifier for fuel cell using high conductivity carbon foam
KR20030030708A (en) * 2001-10-12 2003-04-18 주식회사 포스코 An apparatus of removing bubbles generated in the storage tank for alkalic solution
US20080017326A1 (en) * 2004-12-24 2008-01-24 Jeong-Ho Hong Distillation or Evaporation Method and Equipment for Salt Water or Sort of Fluid by Reheated Steam at Multiple Effect Evaporation System with Chamber of Horizontal Plate Type Heat Exchanger
CN208599189U (en) * 2018-03-26 2019-03-15 天元(宜昌)新材料科技有限公司 A kind of concentration systems of ammonium perchlorate
CN211963103U (en) * 2020-02-03 2020-11-20 北京未森绿色科技有限公司 Set formula mvr evaporation equipment based on negative pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118064267A (en) * 2024-04-18 2024-05-24 枣庄全鼎生物科技股份有限公司 An enzymatic hydrolysis device for collagen peptide production with centralized stirring function

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