Multistage defoaming separator
By designing a multi-stage demister separator, multiple gas-liquid separations are performed using baffles and folded plate demisters. Combined with a wire mesh demister and cleaning pipe, the problem of poor water quality in the evaporator is solved, achieving efficient removal of droplets and mist, and improving the quality of the evaporator's produced water.
Patent Information
- Application Number
- CN202520142330.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing technologies, the poor quality of the evaporator's produced water is due to ineffective separation of droplets and mist, which allows pollutants to enter the condensate and affect the evaporator's separation performance.
A multi-stage demister separator is adopted, including a separator cylinder and separation components. It uses baffles and baffle demisters to perform multiple gas-liquid separations, combined with a wire mesh demister for further filtration to enhance the gas-liquid separation effect. The demister is cleaned and maintained through a cleaning pipe.
The water quality produced by the evaporator was improved. Through multiple gas-liquid separations and cleaning, the entrainment of droplets and mist was reduced, thus improving the quality of the condensate.
Smart Images
Figure CN223874715U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas -liquid separation technical field, concretely is a multistage defoaming separator. BACKGROUND
[0002] With environmental protection requirement higher and higher, the salt emission in waste water is also more and more strict, and evaporator is widely used in the last link of waste water emission on waste water zero emission project, and the water quality of evaporator has high requirement, and most of evaporative crystallization salt will use crystallization separator, and the water quality of evaporator production is directly related to the separation effect of separator, therefore, enhancing the separation effect of separator has the vital role in improving the water quality of evaporator production.
[0003] In the evaporation process of evaporator, the overheat circulating liquid after heat exchange enters the separator and will flash, and the water in circulating liquid is evaporated into water vapor, and salt and other high-boiling point substances will be left in the separator, and the steam will carry the liquid drops and mist in circulating liquid in the process of flashing, and the removal effect of liquid drops and mist is not good, which will lead to the pollutants in steam condensate, thereby leading to the poor water quality of evaporator production, and therefore, the utility model provides a multistage defoaming separator which can solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a multistage defoaming separator to solve the problems in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a multistage defoaming separator, comprising a separator cylinder and a separation assembly, a circulating liquid inlet and a steam outlet are arranged on the separator cylinder:
[0006] The separation assembly comprises a baffle arranged in the separator cylinder and a wire mesh demister arranged in the steam outlet, the baffle has a through hole, a flap demister is arranged at the through hole, and the flap demister extends obliquely.
[0007] As a preferred technical scheme, a sight glass is mounted on the separator cylinder.
[0008] As a preferred technical scheme, a rubber ring is arranged outside the wire mesh demister, and the rubber ring abuts against the inner wall of the steam outlet.
[0009] As a preferred technical scheme, a first cleaning pipe is arranged in the separator cylinder, the first cleaning pipe is located above the flap demister, and a plurality of cleaning nozzles are arranged on the lower side of the first cleaning pipe.
[0010] As a preferred technical scheme, the second cleaning pipe is movably arranged on the steam outlet, and an outlet end of the second cleaning pipe faces the wire mesh demister.
[0011] As a preferred technical scheme, the baffle plate is inclined, and an inclination angle of the baffle plate is consistent with that of the baffle demister.
[0012] As a preferred technical scheme, the through hole is arranged at a bottom end of the baffle plate, and the baffle demister abuts against an inner wall of the separator cylinder.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] Steam passes through the inclined baffle demister, moves upwards in the separator cylinder through multiple internal turns, and is blocked by the inner wall of the separator, so that the entrainment of liquid drops and mist is reduced, and the smaller mist is intercepted by the wire mesh demister, and the condensed water can flow back to the separator, so that the liquid drops and the mist are removed well, and the quality of the produced water is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a whole structure schematic view of the utility model;
[0016] Fig. 2 It is a position schematic view of the baffle plate and the baffle demister in the separator cylinder;
[0017] Fig. 3 It is a position schematic view of the wire mesh demister in the steam outlet;
[0018] In the drawing: 10, separator cylinder; 101, sight glass; 11, circulating liquid inlet; 12, steam outlet; 13, first cleaning pipe; 131, cleaning nozzle; 14, second cleaning pipe; 20, separation assembly; 21, baffle plate; 22, baffle demister; 23, wire mesh demister. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figs. 1-3
[0021] Embodiment 1 provides a multi-stage demisting separator.
[0022] The separator cylinder 10 is provided with a circulating liquid inlet 11 and a steam outlet 12, the circulating liquid inlet 11 is located at the bottom of the separator cylinder 10, and the steam outlet 12 is located at the top of the separator cylinder 10 and extends obliquely.
[0023] The separation assembly 20 comprises a baffle 21 and a wire mesh demister 23, the baffle 21 is arranged in the separator cylinder 10, the baffle 21 has a through opening, a flap demister 22 is arranged at the through opening, the flap demister 22 extends obliquely, and the wire mesh demister 23 is arranged in the steam outlet 12.
[0024] The baffle 21 divides the inner cavity of the separator cylinder 10 downward, so that the steam can only flow through the flap demister 22 through the through opening when moving upward, and the steam is subjected to first mist removal by the flap demister 22 and then subjected to second mist removal by the wire mesh demister 23.
[0025] Embodiment 2 provides a multi-stage demisting separator:
[0026] The separator cylinder 10 is provided with a circulating liquid inlet 11 and a steam outlet 12, the circulating liquid inlet 11 is located at the bottom of the separator cylinder 10, and the steam outlet 12 is located at the top of the separator cylinder 10 and extends obliquely, a sight glass 101 is mounted on the separator cylinder 10, and observation can be performed through the arranged sight glass 101.
[0027] The separation assembly 20 comprises a baffle 21 and a wire mesh demister 23, the baffle 21 is arranged in the separator cylinder 10, the baffle 21 has a through opening, a flap demister 22 is arranged at the through opening, the flap demister 22 extends obliquely, and the wire mesh demister 23 is arranged in the steam outlet 12, a rubber ring is arranged outside the wire mesh demister 23, and the rubber ring abuts against the inner wall of the steam outlet 12.
[0028] The baffle 21 divides the inner cavity of the separator cylinder 10 downward, so that the steam can only flow through the flap demister 22 through the through opening when moving upward, and the steam is subjected to first mist removal by the flap demister 22 and then subjected to second mist removal by the wire mesh demister 23.
[0029] A first cleaning pipe 13 is arranged in the separator cylinder 10, the first cleaning pipe 13 is located above the flap demister 22, a plurality of cleaning nozzles 131 are arranged on the lower side of the first cleaning pipe 13, a second cleaning pipe 14 is movably arranged on the steam outlet 12, and the outlet end of the second cleaning pipe 14 faces the wire mesh demister 23, water is supplied to the first cleaning pipe 13 and the second cleaning pipe 14, so that the residual liquid droplets and mist of the wire mesh demister 23 and the flap demister 22 can be washed, and the influence of long time on the mist removal effect is avoided.
[0030] Embodiment 3 provides a multi-stage demisting separator:
[0031] The separator cylinder 10 is provided with a circulating liquid inlet 11 and a steam outlet 12, the circulating liquid inlet 11 is located at the bottom of the separator cylinder 10, the steam outlet 12 is located at the top of the separator cylinder 10 and extends obliquely, a sight glass 101 is installed on the separator cylinder 10, and observation can be performed through the sight glass 101.
[0032] The separation assembly 20 comprises a baffle plate 21 and a wire mesh demister 23, the baffle plate 21 is arranged in the separator cylinder 10, the baffle plate 21 has a through opening, a flap demister 22 is arranged at the through opening, the flap demister 22 extends obliquely, and the wire mesh demister 23 is arranged in the steam outlet 12, a rubber ring is arranged outside the wire mesh demister 23 and abuts against the inner wall of the steam outlet 12.
[0033] The baffle plate 21 divides the inner cavity of the separator cylinder 10 downward, so that the steam can only flow through the through opening and pass through the flap demister 22 when moving upward, and the steam is subjected to the first demisting by the flap demister 22 and then subjected to the second demisting by the wire mesh demister 23.
[0034] The baffle plate 21 extends obliquely, the baffle plate 21 is consistent with the inclination angle of the flap demister 22, the through opening is located at the bottom end of the baffle plate 21, the flap demister 22 abuts against the inner wall of the separator cylinder 10, and the through opening is laterally open, so that the liquid drops and the mist can move downward from the flap demister 22 along the baffle plate 21.
[0035] Working principle:
[0036] After heat exchange, the superheated circulating liquid enters the separator cylinder 10 through the circulating liquid inlet 11 and is subjected to flash evaporation, the water in the circulating liquid is evaporated into water vapor, and high-boiling-point substances such as salt are left in the separator, during the flash evaporation process, the steam entrains the liquid drops and the mist in the circulating liquid, the inclined flap demister is used to increase the flow distance of the steam in the separator, so as to enhance the gas-liquid separation effect, meanwhile, the steam moves upward in the separator cylinder 10 by multiple internal turns after passing through the inclined flap demister, the large liquid drops are blocked by the inner wall of the separator, so as to reduce the entrainment of the liquid drops and the mist, the small mist is intercepted by the wire mesh demister 23, and the condensed water can flow back to the separator, the removal effect of the liquid drops and the mist is good, and the water production quality is improved.
[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A multi-stage demister separator, characterized by, The separator includes a separator cylinder (10) and a separation assembly (20), the separator cylinder (10) is provided with a circulating liquid inlet (11) and a steam outlet (12): The separation assembly (20) includes a baffle (21) arranged in the separator cylinder (10) and a wire mesh demister (23) arranged in the steam outlet (12), the baffle (21) has a through hole, the through hole is provided with a folded plate demister (22), and the folded plate demister (22) extends obliquely.
2. A multi-stage demister separator according to claim 1, wherein, The separator cylinder (10) is provided with a sight glass (101).
3. A multi-stage demister separator according to claim 1, wherein, The wire mesh demister (23) is provided with a rubber ring outside, and the rubber ring abuts against the inner wall of the steam outlet (12).
4. A multi-stage demister separator according to claim 1, wherein, The separator cylinder (10) is provided with a first cleaning pipe (13), the first cleaning pipe (13) is located above the folded plate demister (22), and the first cleaning pipe (13) is provided with a plurality of cleaning nozzles (131) on the lower side.
5. A multi-stage demister separator according to claim 1, wherein, The steam outlet (12) is movably provided with a second cleaning pipe (14), and the outlet end of the second cleaning pipe (14) faces the wire mesh demister (23).
6. A multi-stage demister separator according to claim 1, wherein, The baffle (21) extends obliquely, and the inclination angle of the baffle (21) is consistent with that of the folded plate demister (22).
7. A multi-stage demister separator according to claim 6, wherein, The through hole is located at the bottom end of the baffle (21), and the folded plate demister (22) abuts against the inner wall of the separator cylinder (10).