CN220184195U - Ethylene oxide dilutes pond processing apparatus - Google Patents

Ethylene oxide dilutes pond processing apparatus Download PDF

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Publication number
CN220184195U
CN220184195U CN202321931046.6U CN202321931046U CN220184195U CN 220184195 U CN220184195 U CN 220184195U CN 202321931046 U CN202321931046 U CN 202321931046U CN 220184195 U CN220184195 U CN 220184195U
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Prior art keywords
pipe
blow
sewage
dilution tank
pump
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CN202321931046.6U
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Chinese (zh)
Inventor
赵宁
张桂芬
朱涛
王士忠
随帅
赵联升
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Lianhong New Materials Technology Co ltd
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Lianhong New Materials Technology Co ltd
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Abstract

The utility model belongs to the technical field of ethylene oxide production, and relates to an ethylene oxide dilution tank treatment device, which comprises a dilution tank, wherein a receiving part of the dilution tank is connected with a dilution waste pipe, a receiving part of the dilution tank is also connected with a mixed sewage pipe, the mixed sewage pipe is connected with a rain water tank, the bottom of the rain water tank is provided with a sewage collecting bottom plate, the sewage collecting bottom plate is connected with a power source, and the sewage collecting bottom plate moves out of the rain water tank upwards under the drive of the power source; the discharge part of the dilution tank is connected with a first blow-down pipe and a second blow-down pipe, the first blow-down pipe is provided with a first blow-down pump, and the second blow-down pipe is provided with a second blow-down pump; the inner wall of the dilution tank is provided with a polyurea-proof impermeable layer, and the top of the dilution tank is provided with a dustproof mesh cover. The utility model has the advantages of stable operation and low maintenance cost.

Description

Ethylene oxide dilutes pond processing apparatus
Technical Field
The utility model belongs to the technical field of ethylene oxide production, and relates to an ethylene oxide dilution tank treatment device.
Background
The production area of Ethylene Oxide (EO) is usually provided with a dilution tank, and the dilution tank mainly has the following functions of firstly, treating EO dilution wastewater generated when an unexpected leakage accident occurs in the EO tank area; secondly, collecting rainwater in the fire dike of the EO tank area so as to prevent environmental pollution caused by polluted rainwater and diluted wastewater of leakage accidents; thirdly, when the EO device pollutes the rain water tank and does not allow the rain water tank to be sent out, receiving the polluted rain water in the polluted rain water tank; and receiving wastewater sent by other devices in the production plant at irregular intervals.
The wastewater, rainwater and the like received from the dilution tank from the various places can be transferred to a sewage treatment plant for treatment. However, because there are more debris in the waste water, the dilution tank pump often can appear that the foreign matter gets into the pump inlet and blocks up at the in-process of pumping sewage, causes the pump to find time, and then leads to the working vibration of pump to increase, and pump bearing and bearing body damage finally lead to the dilution tank pump to need frequent maintenance, and the maintenance cost is high.
Aiming at the problems, how to reduce the overhaul frequency of the EO dilution tank pump and reduce the maintenance cost are the problems to be solved in EO production.
Disclosure of Invention
The treatment device for the ethylene oxide dilution tank provided by the utility model has the advantages of stable operation and low maintenance cost.
The technical scheme of the utility model comprises the following steps: the utility model provides an ethylene oxide diluting tank processing apparatus, includes the diluting tank, the recipient of diluting tank is connected with the dilution waste pipe, the recipient of diluting tank still is connected with mixed sewage pipe, mixed sewage pipe is connected with the rain water pond, the bottom in rain water pond is equipped with album dirty bottom plate, album dirty bottom plate is connected with the power supply, album dirty bottom plate upwards shifts out under the drive of power supply the rain water pond; the discharge part of the dilution tank is connected with a first blow-down pipe and a second blow-down pipe, the first blow-down pipe is provided with a first blow-down pump, and the second blow-down pipe is provided with a second blow-down pump; the inner wall of the dilution tank is provided with a polyurea-proof impermeable layer, and the top of the dilution tank is provided with a dustproof mesh cover.
Preferably, the first sewage pump is a long-shaft submerged pump, and the second sewage pump is a sealless self-priming pump.
Preferably, the second sewage draining pipe is provided with a remote transmission pressure gauge, a remote transmission liquid level gauge is arranged in the dilution tank, the remote transmission pressure gauge and the remote transmission liquid level gauge are connected with the input end of the control device, and the output end of the control device is connected with the first sewage draining pump and the second sewage draining pump.
Preferably, the sewage collecting bottom plate is connected with the output end of the power source through a connecting net frame, and the connecting net frame is formed by criss-cross connecting rods.
Preferably, the receiving part of the rain water tank is connected with a polluted rain water pipe and a waste water pipe, the tail ends of the polluted rain water pipe and the waste water pipe extend into the lower part of the rain water tank, and the tail ends of the mixed sewage pipe extend into the upper part of the rain water tank.
Preferably, the mixed sewage pipe is provided with a sewage pump, and the sewage pump is connected with the output end of the control device.
Preferably, the end of the mixed sewage pipe and the dilution waste pipe extending into the dilution tank is provided with an outlet filter screen.
The utility model has the beneficial effects that: through first blow off pipe and second blow off pipe of design to set up first blow off pump and second blow off pump at first blow off pipe and second blow off pipe respectively, utilize two blow off pumps on the one hand can strengthen the outside blowdown ability of dilution tank, on the other hand two blow off pumps can form complementary support, avoid current relying on a blow off pump completely, block up easily and in case block up the drawback that influences normal blowdown. Meanwhile, in a rain water pond for discharging waste water to a dilution pond, a sewage collecting bottom plate is designed, sludge, sundries and the like deposited at the bottom can be cleaned by utilizing the sewage collecting bottom plate under the drive of a power source at regular intervals, so that the problem that the bottom sludge is difficult to clean due to the damage of a polyurea-proof impermeable layer in the dilution pond is avoided, namely, sundries in the waste water are cleaned in the rain water pond in advance, sundries in the dilution pond are reduced, and further, the blocking pressure of a first sewage pump and a second sewage pump is reduced from the source. Furthermore, a dustproof net cover is arranged at the top of the dilution tank to prevent sundries such as fallen leaves in the environment from entering the dilution tank, so that the blockage pressure of a sewage pump caused by the sundries entering the dilution tank is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic diagram of an embodiment.
Wherein:
1. the device comprises a dilution tank, 11, a polyurea-preventing impermeable layer, 12, a dust screen, 2, a dilution waste pipe, 21, an outlet screen, 3, a mixed sewage pipe, 31, a sewage pump, 4, a rain water tank, 41, a sewage collecting bottom plate, 42, a connecting net rack, 43, a power source, 5, a polluted rain water pipe, 6, a waste water pipe, 7, a first sewage pipe, 71, a first sewage pump, 8, a second sewage pipe, 81, a second sewage pump, 9, a remote pressure gauge, 10, a remote liquid level gauge, 100 and a control device.
Detailed Description
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
In the present specification, the terms "upper, lower, left, right, inner, outer" and the like are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may be changed according to the drawings, so that the terms are not to be construed as absolute limitation of the protection scope; moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements. In the embodiments of the present utility model, "above", "below", and the like include the present numbers.
As shown in fig. 1, the ethylene oxide dilution tank treatment apparatus of the present embodiment is used in a factory area of Ethylene Oxide (EO), and includes a dilution tank 1, and a dilution waste pipe 2 is connected to a receiving place of the dilution tank 1 to receive dilution waste water caused by EO leakage failure. Meanwhile, a mixed sewage pipe 3 is further connected to the receiving part of the dilution tank 1, and the mixed sewage pipe 3 is connected to a rain water tank 4 so as to discharge sewage and wastewater collected in the rain water tank 4 to the dilution tank 1, so that the dilution tank 1 can be used as a concentrated sewage transfer tank of an EO production area.
In order to avoid pollution discharge blockage caused by more silt sundries in the dilution tank 1 as a concentrated sewage transit tank, the bottom of the rain water tank 4 is provided with the sewage collecting bottom plate 41, the silt sundries deposited at the bottom of the rain water tank 4 are collected by the sewage collecting bottom plate 41, and the sewage collecting bottom plate 41 is connected with the power source 43, so that when the sewage collecting bottom plate 41 is full of the silt sundries, the power source 43 can be periodically started, for example, the power source 43 can adopt common power such as a motor and a hydraulic cylinder, the sewage collecting bottom plate 41 is driven by the power source 43 to move upwards out of the rain water tank 4, so that the silt sundries collected by the sewage collecting bottom plate 41 are conveniently cleaned, and sundries contained in the collected waste sewage are treated in the rain water tank 4 in advance, so that the sundries entering the dilution tank 1 are reduced, and pollution discharge blockage pressure of the dilution tank 1 is reduced. And, can avoid because of the existence of preventing the impervious layer 11 of polyurea in the dilution tank 1, worry to handle the damage to impervious layer 11 of polyurea of silt debris in the dilution tank 1.
In order to treat the diluted wastewater, polluted rainwater, wastewater, etc. collected everywhere in the dilution tank 1, it is necessary to discharge various wastewater in the dilution tank 1 to a wastewater treatment plant, and thus a first sewage discharge pipe 7 and a second sewage discharge pipe 8 are connected to the discharge portion of the dilution tank 1, wherein the first sewage discharge pipe 7 is provided with a first sewage discharge pump 71, and the second sewage discharge pipe 8 is provided with a second sewage discharge pump 81. Through two blow off pipes and blow off pumps of discharge department design at diluting pond 1, on the one hand can strengthen the outside blowdown ability of diluting pond 1, on the other hand two blow off pumps can form complementary support, avoid current relying on a blow off pump entirely, block up easily and in case block up the drawback that influences normal blowdown.
The inner wall of the dilution tank 1 of this embodiment is provided with a polyurea-proof barrier layer 11 to meet the sewage disposal requirement of EO dilution wastewater, and the top of the dilution tank 1 is provided with a dust screen 12, and sundries such as fallen leaves in the external environment can be blocked by the dust screen 12 to enter the dilution tank 1, so as to reduce the blocking pressure of the first sewage pump 71 and the second sewage pump 81 of the dilution tank 1 during the discharge. The EO dilution tank treatment device of the embodiment can reduce the sludge and sundries amount in the dilution tank, reduce the discharge blocking pressure, and can strengthen the sewage disposal capacity by adopting two sets of sewage pipes and sewage pumps, so that the whole treatment device has stable operation and low maintenance cost.
In this embodiment, the first sewage pump 71 adopts the long-axis submerged pump, the second sewage pump 81 adopts the sealless self-priming pump, the sealing device does not rub or abrade during operation, the pump is not damaged due to the blockage of the suction inlet, and compared with the long-axis submerged pump, the pump body damage caused by blockage can be reduced, the service life is long, the operation is stable, the overhaul is convenient, and the maintenance cost is low.
As shown in fig. 1, a remote pressure gauge 9 is provided in the second drain pipe 8, a remote liquid level gauge 10 is provided in the dilution tank 1, the remote pressure gauge 9 and the remote liquid level gauge 10 are connected to an input terminal of a control device 100, and an output terminal of the control device 100 is connected to a first drain pump 71 and a second drain pump 81. In this way, the pressure signal acquired by the remote pressure gauge 9 and the liquid level signal acquired by the remote liquid level gauge 10 may be transmitted to the control device 100 to realize pressure state monitoring during operation of the EO dilution tank processing device and liquid level monitoring of the dilution tank 1, and the monitoring device 100 may control actions of the first and second sewage pumps 71 and 81 according to the received pressure and liquid level signals, so as to improve the sewage treatment effect of the dilution tank 1. Specifically, the remote-transmitting ultrasonic level meter 10 may be used as the remote-transmitting ultrasonic level meter.
In this embodiment, the dirt collecting bottom plate 41 is connected with the output end of the power source 43 through the connection rack 42, specifically, the connection rack 42 is formed by criss-cross connecting rods, on the one hand, the connection rack 42 formed by the criss-cross connecting rods is utilized, so that the connection strength between the dirt collecting bottom plate 41 and the power source 43 can be improved, and especially, under the condition that the dirt collecting bottom plate 41 has more dirt and impurities and has larger weight, the movement reliability can be improved. On the other hand, the crisscrossed connecting rods can also play a role in blocking part of sundries, so that the treatment pressure of the bottom dirt collecting bottom plate 41 can be shared while the sundry cleaning effect in the rain water tank 4 is improved.
The receiving place of the rain water tank 4 is connected with a polluted rain water pipe 5 and a waste water pipe 6, thereby realizing the pre-mixing concentration of the rainwater in the factory and other discharged waste water in the factory and the pre-silt sundry cleaning in the rain water tank 4. Specifically, the ends of the polluted rainwater pipe 5 and the waste pipe 6 extend into the lower portion of the rainwater tank 4, and the ends of the mixed sewage pipe 3 extend into the upper portion of the rainwater tank 4. The polluted rainwater pipe 5 and the waste water pipe 6 which extend into the lower part of the rainwater tank 4 are utilized, polluted rainwater and waste water can be introduced into the bottom of the rainwater tank 4, and the sedimentation effect of the silt sundries is improved by utilizing the different weights of the silt sundries and the waste water. And the wastewater at the upper layer after sedimentation can be discharged from the mixed sewage pipe 3 extending into the upper part of the rain water tank 4, so that the risk that more silt and sundries are extracted from the bottom of the mixed sewage pipe 3 is avoided. In particular, the hybrid sewer piping 3 is provided with a sewer pump 31, which sewer pump 31 is connected to the output of the control means 100, whereby the operation of the sewer pump 31 is controlled also when the control means 100 is based on the received pressure and level signals.
An outlet filter screen 21 is arranged at the tail end of the mixed sewage pipe 3 and the dilution wastewater pipe 2 extending into the dilution tank 1, and the waste water entering the dilution tank 1 is filtered again by the outlet filter screen 21 so as to reduce the impurity amount in the dilution tank 1 and further reduce the blockage pressure of the pollution discharge of the dilution tank 1. Specifically, the outlet filter screen 21 can be detachably connected with the tail ends of the mixed sewage pipe 3 and the dilution waste pipe 2 by adopting a thread, a buckle and the like, and when the blockage is serious, the disassembly and the cleaning are convenient.
In the case that the embodiments are not contradictory, at least some of the technical solutions in the embodiments may be recombined to form the essential technical solution of the present utility model, and of course, the embodiments may also be cited or included with each other. Moreover, it should be noted that, the adaptation and modification made by those skilled in the art when the technical means described in the embodiments are recombined will also fall within the protection scope of the present utility model.
The technical principles of the present utility model have been described above in connection with specific embodiments, but it should be noted that the above descriptions are only for explaining the principles of the present utility model and should not be construed as limiting the scope of the present utility model in any way. Other embodiments of the utility model, or equivalents thereof, will suggest themselves to those skilled in the art without undue burden from the present disclosure, based on the explanations herein.

Claims (7)

1. The utility model provides an ethylene oxide diluting pool processing apparatus, includes diluting pool (1), the department of receiving of diluting pool (1) is connected with dilution waste pipe (2), its characterized in that:
the receiving part of the dilution tank (1) is also connected with a mixed sewage pipe (3), the mixed sewage pipe (3) is connected with a rain water tank (4), the bottom of the rain water tank (4) is provided with a sewage collecting bottom plate (41), the sewage collecting bottom plate (41) is connected with a power source (43), and the sewage collecting bottom plate (41) is driven by the power source (43) to move upwards out of the rain water tank (4);
the discharge part of the dilution tank (1) is connected with a first blow-down pipe (7) and a second blow-down pipe (8), the first blow-down pipe (7) is provided with a first blow-down pump (71), and the second blow-down pipe (8) is provided with a second blow-down pump (81);
the inner wall of the dilution tank (1) is provided with a polyurea-proof impermeable layer (11), and the top of the dilution tank (1) is provided with a dustproof mesh cover (12).
2. An ethylene oxide dilution tank treatment apparatus according to claim 1, wherein: the first sewage pump (71) is a long-shaft submerged pump, and the second sewage pump (81) is a sealless self-priming pump.
3. An ethylene oxide dilution tank treatment apparatus according to claim 1 or 2, wherein: the second blow-down pipe (8) is provided with a remote transmission pressure gauge (9), a remote transmission liquid level gauge (10) is arranged in the dilution tank (1), the remote transmission pressure gauge (9) and the remote transmission liquid level gauge (10) are connected with the input end of the control device (100), and the output end of the control device (100) is connected with the first blow-down pump (71) and the second blow-down pump (81).
4. An ethylene oxide dilution tank treatment apparatus according to claim 1, wherein: the sewage collecting bottom plate (41) is connected with the output end of the power source (43) through a connecting net rack (42), and the connecting net rack (42) is formed by criss-cross connecting rods.
5. An ethylene oxide dilution tank treatment apparatus according to claim 1, wherein: the receiving part of the rain water tank (4) is connected with a polluted rain water pipe (5) and a waste water pipe (6), the tail ends of the polluted rain water pipe (5) and the waste water pipe (6) extend into the lower part of the rain water tank (4), and the tail end of the mixed sewage pipe (3) extends into the upper part of the rain water tank (4).
6. An ethylene oxide dilution tank treatment apparatus as defined in claim 5, wherein: the mixed sewage pipe (3) is provided with a sewage pump (31), and the sewage pump (31) is connected with the output end of the control device (100).
7. An ethylene oxide dilution tank treatment apparatus according to claim 1, wherein: the tail ends of the mixing sewage pipe (3) and the dilution waste pipe (2) extending into the dilution tank (1) are provided with outlet filter screens (21).
CN202321931046.6U 2023-07-21 2023-07-21 Ethylene oxide dilutes pond processing apparatus Active CN220184195U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321931046.6U CN220184195U (en) 2023-07-21 2023-07-21 Ethylene oxide dilutes pond processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321931046.6U CN220184195U (en) 2023-07-21 2023-07-21 Ethylene oxide dilutes pond processing apparatus

Publications (1)

Publication Number Publication Date
CN220184195U true CN220184195U (en) 2023-12-15

Family

ID=89101410

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321931046.6U Active CN220184195U (en) 2023-07-21 2023-07-21 Ethylene oxide dilutes pond processing apparatus

Country Status (1)

Country Link
CN (1) CN220184195U (en)

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