Filtering vacuum pump soft water recycling device in sodium carbonate production
By using steam condensate as the circulating cooling medium in soda ash production, the problems of scaling in vacuum pump coolers and high soft water costs have been solved, achieving stable equipment operation and efficient resource utilization, and reducing production costs and energy consumption.
Patent Information
- Application Number
- CN202423161573.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In existing soda ash production, the cooler of the centrifugal vacuum pump is prone to scaling, which leads to increased energy consumption and high cost of soft water preparation, affecting the stable operation of the equipment and economic benefits.
Steam condensate is used as the circulating cooling medium. The condensate is distributed and reused through a condensate recovery system and an external delivery system, using a liquid level sensor and control valve to avoid scaling and reduce energy consumption.
It effectively prevents scale buildup in the cooler, maintains high cooling efficiency, reduces equipment maintenance costs and energy consumption, improves resource utilization, and enhances economic benefits.
Smart Images
Figure CN223690034U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to soda ash production equipment technical field, specifically is a kind of soft water recycling device in soda ash production filter vacuum pump. BACKGROUND
[0002] In the soda ash production process, the vacuum pump of filter process plays a vital role;At present, most soda ash production enterprises adopt centrifugal vacuum pump, in its running process, exhaust temperature is higher, to ensure the safe and stable operation of equipment, exhaust must be cooled, the existing cooling process usually uses column tube cooler, and with circulating water as cooling medium, however, this traditional process has many deficiencies, circulating water is mostly tap water, and its water hardness is higher, long-term use can form scale in the equipment, with the continuous accumulation of scale, the heat transfer efficiency of cooler will gradually decrease, leading to the difficulty in effectively controlling the exhaust temperature of vacuum pump, and further making the energy consumption of equipment continuously increase;In addition, if soft water is used as circulating cooling water, although it can avoid the problem of scale formation, the preparation cost of soft water is higher, which undoubtedly increases the production cost of enterprise and reduces the economic benefit of enterprise. INVENTION CONTENTS
[0003] The utility model aims at providing a kind of soft water recycling device in soda ash production filter vacuum pump, to solve the problems in the prior art mentioned in the above background.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of soft water recycling device in soda ash production filter vacuum pump, including condensate recovery system and the condensate delivery system matched with condensate recovery system;The condensate recovery system includes condensate collection pipeline and condensate pit, one end of the condensate collection pipeline is located in condensate pit, and the other end extends to the outside of condensate pit;The condensate delivery system includes condensate booster pump and delivery pipeline;Water suction pipe is connected to the water inlet of the condensate booster pump, one end of the water suction pipe is located in condensate pit, and the water outlet of the condensate booster pump is connected with delivery pipeline.
[0005] Further, the delivery pipeline includes water outlet pipe connected with the water outlet of the condensate booster pump and first delivery pipe and second delivery pipe connected with water outlet pipe by shunt pipe;Control valve is arranged on the first delivery pipe and the second delivery pipe.
[0006] Further, liquid level sensor is installed on the condensate pit.
[0007] Further, the condensate collection pipeline is corrosion-resistant pipeline.
[0008] Further, the control valve is electric control valve.
[0009] Further, the condensate pool is provided with a blow-off port.
[0010] Further, the water pumping pipe is provided with a filter.
[0011] Compared with the prior art, the utility model has the advantages of the following:
[0012] The utility model discloses a steam condensate liquid is used to replace the original circulating water, and effectively solves the equipment scale problem, and the steam condensate liquid water quality is relatively soft, does not produce scale in the cooler inside in the cooling process, thereby guaranteeing the long -term stable operation of the cooler, ensuring that the cooler always maintains the higher cooling efficiency, not only reduces the equipment maintenance cost, prolongs the service life of equipment, but also significantly reduces the energy consumption, improves the energy utilization efficiency of whole production system, through the setting of liquid level sensor and control valve, can realize the distribution and utilization of condensate liquid, can transport the redundant condensate liquid to other workshops to carry out the reuse while meeting the vacuum pump cooling demand, further improves the resource utilization, reduces the production cost, has brought good economic benefit and environmental benefit. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is overall structural diagram for the utility model;
[0014] Fig. 2 It is process flow diagram for the utility model.
[0015] In the drawing:
[0016] 1, condensate collection pipeline;2, condensate pool;3, condensate lifting pump;4, water pumping pipe;5, water outlet pipe;6, first conveying pipe;7, second conveying pipe;8, control valve;9, liquid level sensor. DETAILED DESCRIPTION
[0017] Please refer to Figs. 1-2The utility model relates to a kind of soft water recycling device of filter vacuum pump in soda production, including condensate recovery system and condensate delivery system;And condensate recovery system is composed of condensate collection pipeline 1 and condensate pit 2, condensate collection pipeline 1 is corrosion-resistant pipeline, one end of condensate collection pipeline 1 is located in condensate pit 2, the other end extends to the outside of condensate pit 2 and is connected with steam condensate generated by steam used in soda system, condensate collection pipeline 1 collects steam condensate generated by soda system, and is transported to condensate pit 2, condensate pit 2 is used as the storage container of steam condensate, and its capacity is designed according to actual production requirement;Condensate pit 2 is equipped with liquid level sensor 9, the liquid level height in condensate pit 2 is monitored in real time by liquid level sensor 9, and liquid level information is transmitted to PLC controller;Condensate delivery system is composed of condensate lifting pump 3 and delivery pipeline, condensate lifting pump 3 is connected with PLC controller, and delivery pipeline is composed of water outlet pipe 5 connected with water outlet of condensate lifting pump 3 and first delivery pipe 6 and second delivery pipe 7 connected with water outlet pipe 5 by shunt pipe, and control valve 8 is equipped on first delivery pipe 6 and second delivery pipe 7, the control valve 8 is electric control valve or pneumatic control valve, and is also connected with PLC controller, water suction pipe 4 is connected on the water inlet of condensate lifting pump 3, and one end of water suction pipe 4 is located in condensate pit 2 and is equipped with filter;When the liquid level in condensate pit 2 reaches the set starting liquid level by PLC controller through liquid level sensor 9, condensate lifting pump 3 is started, and condensate lifting pump 3 pumps out condensate in condensate pit 2, and is transported by first delivery pipe 6 and second delivery pipe 7, and the flow direction of condensate can be adjusted by control valve 8, when vacuum pump cooler needs to be cooled, condensate is transported to vacuum pump cooler for exhaust cooling by first delivery pipe 6, when other workshops need steam condensate, excess condensate can be transported to other workshops by second delivery pipe 7.
[0018] Working process and working principle: in the process of soda production, steam condensate is continuously generated and enters condensate pit 2 through condensate collection pipeline 1, and liquid level is continuously monitored by liquid level sensor 9, when liquid level rises to starting liquid level, PLC controller starts condensate lifting pump 3, and condensate lifting pump 3 transports condensate to vacuum pump cooler according to the cooling requirement of vacuum pump cooler with suitable pressure and flow rate, in the cooling process, steam condensate absorbs the heat of vacuum pump exhaust, and returns to condensate pit 2 after temperature rises (if necessary, cooling device can be set to cool the returned condensate again), when the liquid level in condensate pit 2 drops to stop liquid level, PLC controller stops condensate lifting pump 3, so as to realize the recycling of steam condensate, ensure the stable cooling of vacuum pump and the efficient operation of the whole system.
Claims
1. A soda production filterable vacuum pump soft water recycling device, characterized in that, The application relates to a condensate recovery system and a condensate delivery system used in cooperation with the condensate recovery system; the condensate recovery system comprises a condensate collecting pipeline (1) and a condensate pool (2), one end of the condensate collecting pipeline (1) is located in the condensate pool (2), and the other end extends to the outside of the condensate pool (2); the condensate delivery system comprises a condensate lifting pump (3) and a conveying pipeline; a water pumping pipe (4) is connected to the water inlet of the condensate lifting pump (3), one end of the water pumping pipe (4) is located in the condensate pool (2), and the water outlet of the condensate lifting pump (3) is connected with the conveying pipeline.
2. The soft water recycling device for filterable vacuum pumps in soda production according to claim 1, characterized in that, The conveying pipeline comprises a water outlet pipe (5) connected with the water outlet of the condensate lifting pump (3) and a first conveying pipe (6) and a second conveying pipe (7) connected with the water outlet pipe (5) through a shunt pipe; control valves (8) are arranged on the first conveying pipe (6) and the second conveying pipe (7).
3. The soft water recycling device for filterable vacuum pumps in soda production according to claim 1, characterized in that, A liquid level sensor (9) is arranged on the condensate pool (2).
4. The soft water recycling device for filterable vacuum pumps in soda production according to claim 1, characterized in that, The condensate collecting pipeline (1) is a corrosion-resistant pipeline.
5. The soft water recycling device for filterable vacuum pumps in soda production according to claim 2, characterized in that, The control valve (8) is an electric control valve.
6. The soft water recycling device for filterable vacuum pumps in soda production according to claim 1, characterized in that, The condensate pool (2) is provided with a blowdown port.
7. The soft water recycling device for filterable vacuum pumps in soda production according to claim 1, characterized in that, A filter is arranged on the water pumping pipe (4).