农村地区冷链物流中心选址规划

doi:10.3976/j.issn.1002-4026.2022.05.011

Abstract

Abstract:

This study addresses the problems associated with the storage and loss of “the first kilometer” of agricultural produce logistics in rural areas. As an example, areas with cold storage requirements are considered and the location model of a cold chain logistic center is proposed under the operation guideline of local refrigeration, direct delivery from the origin for cold chain produce logistics in rural areas. Because fresh agricultural products are perishable, requirements for transportation and refrigeration are high. Therefore, the location model introduces time constraints. The objective is to minimize the total cost of transportation, investment, construction and operation. The model is solved using the Gurobi optimizer, achieving the optimal solution that meets time-related requirements and ensuring the rationality of the warehouse location planning results. Finally, ten alternative addresses are determines. Results show that the cost of building seven cold chain storage centers is the lowest. The findings of this study confirm the feasibility of the location model of the cold chain logistic center in rural areas by considering product types, costs, and time.

Key words: cold chain, location planning, logistics of agricultural products, rural area, fresh products

CLC Number:

XIE Long, ZHANG Xiao-dong. Location planning of a cold chain logistic center for warehousing in rural areas[J].Shandong Science, 2022, 35(5): 89-96.

Figures/Tables 9

Fig.1

Fig.2

Table 1

Model variables and their definitions"

变量	含义
$W i j ∈ 0,1, ∀ i ∈ I, ∀ j ∈ J$	0-1变量,若冷链仓储中心 $j$ 为生产基地 $i$ 提供服务则为1,否则为0
$Y j ∈ 0,1, ∀ j ∈ J$	0-1变量,新建冷链仓储中心则为1,否则为0

Table 1

Table 2

Model parameters and their definitions"

参数	含义
$O = {1,2, 3, …, o}$	O型农产品生产基地
$P = {1,2, 3, …, p}$	P型农产品生产基地
$R = {1,2, 3, …, r}$	R型农产品生产基地
$I = O ⋃ P ⋃ R$	不同类型的农产品生产基地集合
$J = 1,2, …, j$	冷链仓储中心集合
$b j$	备选仓储中心 $j$ 与农产品流量相关的单位运营成本
$f j$	冷链仓储中心 $j$ 的维护费用
$T m a x$	农产品由生产基地运向仓储中心最大时限要求
$v$	车辆在生产基地与冷链仓储中心的行驶速度
$Q j$	冷链仓储中心 $j$ 最大服务能力
$C i j$	生产基地 $i$ 与冷链仓储中心 $j$ 之间的单位运输费用
$d i j$	生产基地 $i$ 与冷链仓储中心 $j$ 之间的运输距离
$q i$	生产基地 $i$ 存货需求

Table 2

Table 3

Parameter information"

参数取值	含义
$O = {1,2, 3, …, 10}$	水产品生产基地
$P = {1,2, 3, …, 20}$	水果生产基地
$R = {1,2, 3, …, 10}$	鲜奶生产基地
$I = O ⋃ P ⋃ R$	全县40个生产基地集合
$J = 1,2, 3, …, 10$	10个备选仓储中心
$b j = 4$	仓储中心j运营成本4元/t
$Q j = 200$ (t), $f j = 450$	200 t处理能力的仓储中心建设成本的维护费用为450元
$v = 30 k m / h$	车辆行驶速度为30 km/h
$T m a x = 1 h$	农产品采摘后1 h内需运输到仓储中心
$C i j = 0.4 元$	运费取值0.4元/(t·km)

Table 3

Table 4

Fig.3

Table 5

Table 6

References 17

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类型	序号	每周存货量/t	类型	序号	每周存货量/t	类型	序号	每周存货量/t	类型	序号	每周存货量/t
水产品类	1	18.2	水果类	1	37.8	水果类	11	65.2	鲜奶类	1	16.1
	2	6.8		2	13.0		12	42.6		2	19.0
	3	25.4		3	13.4		13	12.8		3	18.3
	4	8.2		4	50.8		14	17.2		4	15.8
	5	36.2		5	15.2		15	9.0		5	15.9
	6	26.6		6	76.2		16	55.8		6	18.8
	7	13.2		7	105.2		17	27.2		7	19.9
	8	10.3		8	9.6		18	26.6		8	16.1
	9	9.8		9	68.6		19	14.8		9	15.5
	10	28.7		10	72.8		20	17.6		10	15.7

鲜奶类		水产品类				水果类
A		E		F		D		H		M		N
编号	分配情况	编号	分配情况	编号	分配情况	编号	分配情况	编号	分配情况	编号	分配情况	编号	分配情况
31	16.1	1	18.2	3	25.4	12	13.0	15	15.2	11	37.8	14	50.8
32	19.0	2	6.8	4	8.2	20	72.8	16	76.2	13	13.4	17	105.2
33	18.3	5	36.2	6	26.6	23	12.8	22	42.6	18	9.6	25	9.0
34	15.8	7	13.2	9	9.8	26	55.8	24	17.2	19	68.6
35	15.9	8	10.3	10	28.7	27	27.2	28	26.6	21	65.2
36	18.8					29	14.8	30	17.6
37	19.9
38	16.1
39	15.5
40	15.7
总计	171.1		84.7		98.7		196.4		195.4		194.6		165.0

Location planning of a cold chain logistic center for warehousing in rural areas

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